HIGHLIGHTS OF SOTHEBY’S GENEVA MAGNIFICENT JEWELS AND NOBLE JEWELS SALE MAY 15, 2018

Auction House Sotheby’s has announced the holding of its Magnificent Jewels and Noble Jewels Sale in Geneva on May 15, 2018, at the Mandarin Oriental Hotel, Geneva. The auction that features a total of 377 lots will be held in three sessions; the first session starting at 10.30 AM featuring Lots 1 to 158; the second session starting at 2.00 PM featuring Lots 159 to 309 and the third session starting at 6.00 PM featuring Lots 310 to 377.

The auction will feature an array of jewels and jewelry by renowned jewelry houses and designers, such as Boucheron, Bulgari, Cartier, Tiffany & Co, Van Cleef & Arpels, Harry Winston, David Webb, Rene Boivin, William Goldberg, lalique Rene, Schlumberger etc. consisting of bracelets, bangle-bracelets, brooches, earclips and earrings, necklaces, parures and demi-parures,  pendants, rings, etc. set with diamonds and colored diamonds, colored gemstones like emeralds, sapphires, rubies etc, and organic gems such as natural and cuktured pearls, corals etc,

Top highlights of the sale are two of the largest and purest white diamonds ever to come up for auction, both weighing over 50 carats, and certified as perfect by all criteria – color, clarity, cut and carat weight. One diamond is a D-color, Flawless clarity, Type IIa, round brilliant-cut diamond weighing 51.71-carats, the second largest round brilliant-cut diamond of the same color, clarity to ever come up for auction. The second diamond is also a D-color, Flawless clarity, Type IIa diamond weighing 50.39 carats, but an oval brilliant-cut diamond, also the second largest oval brilliant-cut diamond of the same color and clarity to ever come up for auction.

Another important highlight of the sale is a pear-shaped Fancy Dark Grey-Blue diamond weighing 6.16 carats, of royal provenance spanning a history of three centuries, believed to be a gift given by the Spanish Colony of Philippines to the Queen of Spain, Elisabeth Farnese (1692-1766) on the occasion of her marriage to King Philip V (1683-1746) of Spain in 1714.

Highlights of the sale will be exhibited at venues around the world starting with London from 7 – 10 April, 2018; New York from 13 – 17 April, 2018; Singapore from 27 – 28 April, 2018; Taipei from 1 – 2 May, 2018; Dubai from 1 -2 May, 2018 and Geneva from 12 – 14 May, 2018.

 

COLORLESS DIAMOND LOTS

 

LOT 373 - EXCEPTIONAL DIAMOND RING
LOT 373 – EXCEPTIONAL DIAMOND RING

 

LOT 373 – EXCEPTIONAL DIAMOND RING – is the top lot of the sale with an estimate of CHF 6,960,000 – 7,680,000 (USD 7,237,286 – 7,985,971). Ring size 52, platinum ring stamped Pt950 for platinum, and with Swiss maker’s marks is claw-set with a D-Color, Flawless Clarity, round brilliant-cut diamond, weighing 51.71 carats, with Excellent Cut, Polish and Symmetry. The diamond is perfect by all criteria – color, clarity, cut and carat weight.

GIA report no. 2185745311, states that the brilliant-cut  diamond, weighing 51.71 carats, with dimensions of 23.65 – 23.80 x 14.85 mm, is D Color, Flawless, with Excellent Cut, Polish and Symmetry. Diamond type classification letter annexed to the report states that the diamond has been determined to be a Type IIa, whose existence in nature is just 1 – 2 %.  Such diamonds are chemically pure and are totally colorless, known as diamonds of the purest water, referred to in superlatives as whiter than white, brighter than bright and purest of the pure.

 

LOT 350 - MAGNIFICENT DIAMOND RING
LOT 350 – MAGNIFICENT DIAMOND RING

 

The next highlight of the sale is also a colorless diamond lot, the other top color, Flawless clarity diamond of 50+ carats, assigned LOT NO. 350 and titled MAGNIFICENT DIAMOND RING – with an estimate of CHF 6,960,000 – 7,680,000 (USD 7,237,286 – 7,985,971). Ring Size 52 platinum ring, stamped Pt950 for platinum, and with Swiss maker’s mark, is claw-set with a D-Color, Flawless Clarity, oval brilliant-cut diamond with dimensions of 28.82 x 20.58 x 13.05 mm weighing 50.39 carats, with Excellent Cut, Polish and Symmetry. Like the previous top-color diamond, this diamond too is perfect by all criteria – color, clarity, cut and carat weight.

 

LOT 350 - ANOTHER VIEW OF THE MAGNIFICENT DIAMOND RING
LOT 350 – ANOTHER VIEW OF THE MAGNIFICENT DIAMOND RING

 

GIA report no. 2195126527, states that the oval brilliant-cut diamond, weighing 50.39 carats is D-Color, Flawless clarity, with Excellent Polish and Symmetry. Diamond Type Classification letter annexed to the report states that the diamond has been determined to be Type IIa, which confirms the D-Color status of the diamond.

 

Other significant Colorless Diamond highlights of the sale include Lots 366 and 345.

 

LOT 366 - PAIR OF IMPORTANT DIAMOND PENDENT EARRINGS, HARRY WINSTON
LOT 366 – PAIR OF IMPORTANT DIAMOND PENDENT EARRINGS, HARRY WINSTON

 

LOT 366 – PAIR OF IMPORTANT DIAMOND PENDENT EARRINGS, HARRY WINSTON – with an estimate of CHF 3,120,000 – 5,100,000 (USD 3,244,301 – 5,303,184) is the 4th highlight of the sale based on estimates. Each of the pair of pendant earrings, suspends a matching pear-shaped diamond weighing respectively 15.16 carats and 15.49 carats, from a surmount made of a cluster of five pear-shaped diamonds. The earrings provided with clip fittings are signed Winston and bears maker’s mark for Jacques Timey

Two GIA reports bearing no. 5181277378 and no. 2183277383, state that the pear-shaped diamonds weighing 15.16 and 15.49 carats are both D-Color, but VVS1 and Internally Flawless clarity respectively.

Ten more GIA reports in respect of the pear-shaped diamonds on the surmount, state that the diamonds weighing from 1.65 to 2.51 carats, are D to F Color, VVS1 to VS2 Clarity.

 

LOT 345 - IMPORTANT DIAMOND RING
LOT 345 – IMPORTANT DIAMOND RING

 

LOT 345 – IMPORTANT DIAMOND RING – with an estimate of CHF 1,370,000 – 1,650,000 (USD 1,424,581 – 1,715,736) is another significant colorless diamond highlight of the sale. Ring size 52, white metal ring is claw-set with a D-Color, Flawless clarity, round brilliant-cut diamond, weighing 11.66 carats, with excellent cut, polish and symmetry.

GIA report no. 5182683687, states that the diamond is D-Color, Flawless Clarity with Excellent Polish and Symmetry. Diamond Type Classification letter annexed to the report states that the diamond is a Type IIa diamond, which confirms its D-Color status.

 

COLORED DIAMOND LOTS

LOT 377 - HISTORIC AND HIGHLY IMPORTANT FANCY DARK GREY-BLUE DIAMOND JEWEL
LOT 377 – HISTORIC AND HIGHLY IMPORTANT FANCY DARK GREY-BLUE DIAMOND JEWEL – THE BLUE DIAMOND UNMOUNTED

 

Top highlight of the colored diamond lots is LOT 377 – HISTORIC AND HIGHLY IMPORTANT FANCY DARK GREY-BLUE DIAMOND JEWEL – with an estimate of CHF 3,500,000 – 5,000,000 (USD 3,639,440 – 5,199,200), about which reference has already been made in the introduction. In fact LOT 377 is the third highlight of the sale based on estimates after the two colorless diamond lots, LOT 373 and 350, the two 50+ carats top color diamonds perfect in respect of all 4Cs. The celebrated jewel, which looks like a brooch is set with a pear-shaped fancy dark greyish-blue diamond weighing 6.16 carats, within a frame of pinched-collet set cushion-shaped diamonds. The fittings of the brooch are detachable and the diamond can be removed from the mount. The case that accommodates the jewel is fitted with a plaque that mentions the provenance of the stone in French, which translated to English language reads as follows:- “Remarkable blue brilliant. This historical stone was offered by the Philippine Islands to Elisabeth Farnese, Queen of Spain, wife of Philip V, great grandfather of the Comte of Villafranca, current owner of that stone.”

 

LOT 377 - HISTORIC AND HIGHLY IMPORTANT FANCY DARK GREY-BLUE DIAMOND JEWE
LOT 377 – HISTORIC AND HIGHLY IMPORTANT FANCY DARK GREY-BLUE DIAMOND JEWEL INSIDE ITS CASE WITH THE PLAQUE AT THE BOTTOM GIVING ITS PROVENANCE IN FRENCH

GIA report no. 5181115824, states that the pear-shaped diamond, weighing 6.16 carats, with dimensions of 15.78 x 10.89 x 5.61 mm, is Fancy Dark Grey-Blue, Natural Color, SI1 Clarity. The cushion-shaped diamonds are bright and lively.

Other significant colored diamond lots are Lots 362, 374 and 367.

 

LOT 362 - PAIR OF IMPORTANT FANCY LIGHT BLUE AND FANCY LIGHT PINK DIAMOND PENDENT EAR-CLIPS
LOT 362 – PAIR OF IMPORTANT FANCY LIGHT BLUE AND FANCY LIGHT PINK DIAMOND PENDENT EAR-CLIPS

 

LOT 362 – PAIR OF IMPORTANT FANCY LIGHT BLUE AND FANCY LIGHT PINK DIAMOND PENDENT EAR-CLIPS – with an estimate of CHF 2,690,000 – 3,840,000 (USD 2,797,170 – 3,992,986) is the second most valued colored diamond lot of the sale. Each of the pendant ear-clips, stamped 750 for 18 carat gold, has a pear-shaped diamond surmount suspending a pear-shaped diamond pendant. While one pendant ear-clip has a fancy light blue diamond surmount weighing 6.41 carats, suspending a fancy light pink diamond weighing 8.03 carats, the other pendant ear clip has a fancy light pink diamond surmount weighing 7.16 carats, suspending a fancy light blue diamond weighing 6.25 carats.

Two GIA reports no. 2185791352 and no. 2183791693, in respect of the fancy light blue diamonds, states that the pear shaped diamonds weighing 6.25 and 6.41 carats, measuring 18.02 x 9.93 x 5.60 mm and 16.14 x 10.05 x 6.46 mm, are Fancy Light Blue, Natural Color, VVS2 and I1 Clarity. A working diagram annexed to the reports states that the diamond weighing 6.25 carats may be internally flawless after minor re-polishing.

 Two other GIA reports no. 5181791651 and no. 5181791711 in respect of the fancy light pink diamonds, state that the pear-shaped diamonds weighing 7.16 and 8.03 carats, measuring 16.62 x 10.63 x 6.80 mm and 18.01 x 10.80 x 6.02 mm, are Fancy Light Pink, Natural Color, VVS1 and VVS2 Clarity, A working diagram annexed to the reports states that the diamond weighing 7.16 carats may be internally flawless after minor re-polishing.

 

LOT 374 – SUPERB FANCY VIVID PURPLISH PINK DIAMOND RING
LOT 374 – SUPERB FANCY VIVID PURPLISH PINK DIAMOND RING

 

LOT 374 – SUPERB FANCY VIVID PURPLISH PINK DIAMOND RING – with an estimate of CHF 1,920,000 – 2,880,000 (USD 1,996,493 – 2,994,739) is the third most valued colored diamond lot of the sale. Ring size 51, 18k white gold ring, Stamped 750 for 18 carat gold, is set with a round modified brilliant-cut fancy vivid purplish pink diamond weighing 2.63 carats, highlighted by a frame of colorless heart-shaped diamonds and the shoulders pavé-set with colorless brilliant-cut diamonds.

 

LOT 374 – SUPERB FANCY VIVID PURPLISH PINK DIAMOND RING
LOT 374 – ANOTHER VIEW OF SUPERB FANCY VIVID PURPLISH PINK DIAMOND RING

 

GIA report no. 6187791617, states that the round modified brilliant-cut diamond, weighing 2.63 carats, and measuring 7.69 – 7.83 x 5.82 mm, is Fancy Vivid Purplish Pink, Natural Color, SI1 Clarity. The remaining diamonds are bright and lively.

 

LOT 367 - FINE FANCY PURPLE-PINK DIAMOND RING
LOT 367 – FINE FANCY PURPLE-PINK DIAMOND RING

LOT 367 – FINE FANCY PURPLE-PINK DIAMOND RING – with an estimate of CHF 1,160,000 – 1,730,000 (USD 1,206,214 – 1,798,923) is another significant colored diamond lot of the sale. Ring size 51 ½, 18k white gold ring, stamped 750 for 18 carat gold and with Swiss maker’s mark is claw-set with a pear-shaped fancy purple-pink diamond weighing 5.04 carats.

GIA report no. 2185897812, states that the diamond weighing 5.04 carats, measuring 14.50 x 9.05 x 5.58 mm, is Fancy Purple-Pink, natural color and SI1 Clarity.

 

EMERALD LOTS

 

LOT 353 - IMPORTANT EMERALD AND DIAMOND PENDANT, HARRY WINSTON
LOT 353 – IMPORTANT EMERALD AND DIAMOND PENDANT, HARRY WINSTON

 

Top among the colored gemstone lots is an emerald lot, assigned LOT NO. 353 and titled IMPORTANT EMERALD AND DIAMOND PENDANT, HARRY WINSTON – with an estimate of CHF 2,310,000 – 3,270,000 (USD 2,402,030 – 3,400,277). The pendant signed Winston, with maker’s mark for Jacques Timey, has as its centerpiece a step-cut emerald weighing 55.16 carats, highlighted by a double frame of brilliant-cut and baguette diamonds, further enhanced with pear-, marquise-shaped and triangular diamonds.

SSEF report no. 99602 and Gübelin report no. 17102101, state that the emerald is of Colombian origin, with no indications of clarity enhancement.

Other significant emerald lots include Lot 352 and Lot 320.

 

LOT 352 - FINE EMERALD AND DIAMOND RING
LOT 352 – FINE EMERALD AND DIAMOND RING

LOT 352 – FINE EMERALD AND DIAMOND RING – with an estimate of CHF 400,000 – 600,000 (USD 415,936 – 623,904) is the second most valued emerald lot of the sale. The size 49 ring, numbered and with maker’s mark is claw-set with a step-cut Colombian emerald weighing 13.70 carats, flanked by shield-shaped diamonds, on the shoulders of the ring.

Two lab reports by SSEF, report no. 98160, and GGL, report no. 18030164, state that the emerald is of Colombian origin, with a minor amount of oil in fissures, accepted in the trade.

 

LOT 320 - IMPRESSIVE EMERALD AND DIAMOND BRACELET, 1930S
LOT 320 – IMPRESSIVE EMERALD AND DIAMOND BRACELET, 1930S

 

LOT 320 – IMPRESSIVE EMERALD AND DIAMOND BRACELET, 1930S – with an estimate of CHF 340,000 – 475,000 (USD 353,546 – 493,924) is the third most valued emerald lot of the sale. The 18 cm (7 ins) Art Deco bracelet detachable into three sections, with the possibility of using the central section as a brooch, with French assay marks for platinum and gold and partial maker’s mark, is of geometric design with wide bands set with rows of circular-cut diamonds and a row of baguette-cut diamonds in the middle. The centerpiece of the bracelet is set with an oval cabochon-cut emerald framed by a geometric surround set with circular-cut diamonds interrupted by bands of baguette-cut diamonds.

 

Edith, Marchioness of Londonderry at The State Opening of Parliament 1948, wearing the emerald and diamond bracelet.
Edith, Marchioness of Londonderry at The State Opening of Parliament 1948, wearing the emerald and diamond bracelet.

 

This lot is FROM THE COLLECTION OF THE MARCHIONESS OF LONDONDERRY, MOUNT STEWART, to whom it was gifted by Mrs James Corrigan, and hence named the emerald Corrigan bracelet, as it appears in the Mount Stewart archives. The central emerald in the bracelet is believed to have been acquired by Cartier directly from an Indian Maharajah in the early 20th century, as part of an antique Indian jewel and later incorporated as the centerpiece of the Art Deco Bracelet in the 1930s.

 

SAPPHIRE LOTS

 

LOT 359 - FINE SAPPHIRE AND DIAMOND RING
LOT 359 – FINE SAPPHIRE AND DIAMOND RING

 

Top among the sapphire lots and the 8th most valuable lot of the sale, based on estimates is LOT 359 – FINE SAPPHIRE AND DIAMOND RING – with an estimate of CHF 1,755,000 – 2,725,000 (USD 1,824,919 – 2,833,564). Ring size 57, platinum ring, stamped Pt 950 for platinum, is double claw-set with a cushion-shaped Kashmir sapphire weighing 15.91 carats, flanked by half-moon shaped colorless diamonds on the shoulders of the ring.

Two lab reports in respect of the sapphire, one by SSEF bearing no. 94883 and the other by GGL bearing no. 17090009, state that the cushion-shaped sapphire weighing 15.91 carats, measuring 14.72 x 12.31 x 9.60 mm is of Kashmir origin, with no indications of heating, together with appendix letters. The color of the sapphire is blue of medium strong saturation, with good transparency and typical inclusions visible under close inspection. The Gübelin appendix letter says that “the natural sapphire of 15.91 ct described in the above mentioned Gübelin Gem Lab Report possesses a richly saturated and homogeneous color, combined with a high degree of transparency, and a finely proportioned cut.”

Estimated total weight of diamonds approximately 5.00 – 5.50 carats, average color-grade G-H color, clarity-grade VS clarity, as gauged and graded in the mount. Gross weight of ring approximately 12 grams

 

Other significant sapphire lots include Lots 365 and 351

 

LOT 365 - TOP VIEW OF SUPERB SAPPHIRE AND DIAMOND RING, 1930S
LOT 365 – TOP VIEW OF SUPERB SAPPHIRE AND DIAMOND RING, 1930S

 

 

LOT 365 - SIDE VIEW OF SUPERB SAPPHIRE AND DIAMOND RING, 1930S
LOT 365 – SIDE VIEW OF SUPERB SAPPHIRE AND DIAMOND RING, 1930S

 

LOT 365 – SUPERB SAPPHIRE AND DIAMOND RING, 1930S – with an estimate of CHF 950,000 – 1,430,000 (USD 987,848 – 1,486,971) is the second most valued sapphire lot of the sale. Ring size 54, platinum ring, stamped PT 950 for platinum, with French assay mark and partial maker’s mark, is set with a cushion-shaped Kashmir sapphire weighing 14.01 carats, in a mount embellished with brilliant-cut, single-cut and baguette-cut diamonds.

 

LOT 365 - SUPERB SAPPHIRE AND DIAMOND RING, 1930S. THE SAPPHIRE UNMOUNTED
LOT 365 – SUPERB SAPPHIRE AND DIAMOND RING, 1930S. THE SAPPHIRE UNMOUNTED

 

SSEF report no. 97361 and Gübelin report no. 18010245, both state that the cushion-shaped sapphire, weighing 14.01 carats, and measuring 12.68 x 12.30 x 9.48 mm is of Kashmir origin, with no indications of heating,  “royal blue” in color and each report accompanied by an appendix letter. The color of the sapphire is blue of strong saturation.

Estimated total weight of diamonds approximately 2.40 – 2.60 carats, average color-grade I-J color and clarity-grade VS clarity, as gauged and graded in the mount. Gross weight of ring approximately 5 grams.

 

LOT 351 - FINE SAPPHIRE AND DIAMOND RING, TOP VIEW
LOT 351 – FINE SAPPHIRE AND DIAMOND RING, TOP VIEW

 

LOT 351 – FINE SAPPHIRE AND DIAMOND RING – with an estimate of CHF 830,000 – 1,160,000 (USD 863,067 – 1,206,214) is another significant sapphire lot in the sale. Ring size 51, 18k gold and platinum ring, stamped OR750 for 18 carat gold and Pt950 for platinum, is set with a cut-cornered square step-cut sapphire weighing 11.64 carats, flanked by half-moon shaped diamonds on the shoulders of the ring.

 

LOT 351 - FINE SAPPHIRE AND DIAMOND RING, SIDE VIEW
LOT 351 – FINE SAPPHIRE AND DIAMOND RING, SIDE VIEW

 

SSEF report no. 92649 and GGL report no. 18030058, state that the sapphire weighing 11.64 carats, and measuring 13.42 x 12.68 x 7.26 mm, is of Kashmir origin, with no indications of heating. The SSEF report is accompanied by an appendix letter, which states, “the described gemstone exhibits a remarkable size and weight of 11.643 ct combined with an attractive and homogeneous blue color and a very fine purity. A natural sapphire from Kashmir of this size and quality can be considered very rare and exceptional.”

The color of the sapphire is blue of strong saturation, with typical inclusions visible under close inspection.

 The diamonds are bright and lively. Gross weight approximately 10 grams.

 

RUBY LOTS

 

LOT 338 - RUBY AND DIAMOND RING
LOT 338 – RUBY AND DIAMOND RING

 

Top among the ruby lots is LOT 338 – RUBY AND DIAMOND RING – with an estimate of CHF 345,000 – 430,000 (USD 358,745 – 447,131). Ring size 51 ½ platinum and 18k yellow gold ring, stamped Pt 950 for platinum, is claw-set on yellow gold with a cushion-shaped ruby weighing 7.70 carats, flanked by half-moon shaped diamonds on the  shoulders of the ring.

GGL report no. 17070140 and GRS report no. GRS2017-067001, both state that the cushion-shaped ruby weighing 7.70 carats, measuring 10.13 x 9.94 x 8.02 mm, is of Burmese origin, with no indications of heating. The ruby is of medium strong saturation with typical inclusions, few surface reaching. The diamonds bright and lively. Gross weight of ring approximately 6 grams.

 

Other significant ruby lots are Lots 232 and 357.

 

LOT 232 - RUBY AND DIAMOND NECKLACE, BULGARI –
LOT 232 – RUBY AND DIAMOND NECKLACE, BULGARI –

 

LOT 232 – RUBY AND DIAMOND NECKLACE, BULGARI – with an estimate of CHF 345,000 – 530,000 (USD 358,745 – 551,115) is another significant ruby lot of the sale. The 40 cm (15.75 ins) choker length platinum necklace, signed Bulgari, is claw-set alternately with cabochon rubies and oval-cut colorless diamonds, supporting a detachable pendant claw-set with two rubies, a terminal large cabochon ruby, weighing 54.34 carats, and an intermediate oval cabochon ruby, separated by a triangular-cut diamond and suspended from the neck-chain via a claw-set oval diamond.

 

LOT 232 - RUBY AND DIAMOND NECKLACE, BULGARI – PENDANT ENLARGED
LOT 232 – RUBY AND DIAMOND NECKLACE, BULGARI – PENDANT ENLARGED

 

The rubies are well matched in color, red of medium strong saturation, with typical inclusions visible to the naked eye, some surface reaching. AGTA report no. 91007007, in respect of six rubies, state that the six tested rubies, measuring 7.16 x 5.77 x 3.74, 10.26 x 7.48 x 4.10 and 11.03 x 8.69 x 5.91, 12.78 x 10.86 x 7.22 and 23.08 x 18.52 x 11.03 x 6.94 x 5.08 x 3.28 mm respectively are all of Burmese origin; five with indications of heating and moderate residue in fissures and one with no indications of heating.

Estimated total weight of diamonds approximately 12.00 – 14.00 carats; average color-grade G-H color, and clarity-grade VS-SI clarity, as gauged and graded in the mount. Secure clasp with safety catch. Gross weight approximately 88 grams.

 

LOT 357 - RUBY AND DIAMOND BRACELET
LOT 357 – RUBY AND DIAMOND BRACELET

 

LOT 357 – RUBY AND DIAMOND BRACELET – with an estimate of CHF 240,000 – 435,000 (USD 249,562 – 452,330) is another ruby lot in the sale. The 19 cm (7.5 ins), 18k gold bracelet, with French assay marks and stamped OR 750 for 18 carat gold, inscribed R 47.07 and N 14.49, indicating total weight of rubies and diamonds respectively, is designed as a line of 14 oval and cushion-shaped rubies alternating with marquise-shaped diamonds.

SSEF report no. 99330, states that the fourteen oval to cushion-shaped rubies stated to weigh a total of 47.07 carats, weigh approximately from 1.5 carats to approximately 6.1 carats, measuring from approximately 8.70 x 7.30 x 2.70 mm to approximately 11.35 x 9.25 x 5.60 mm, and are of Burmese origin, with no indications of heating, with none to a moderate amount of oil in fissures. The rubies are well matched in color, red of medium strong saturation, with typical surface-reaching inclusions, small scratches, abrasions, nicks and cavities.

Estimated total weight of diamonds approximately 13.00 – 15.00 carats; average color-grade H-I color; clarity grade VS-SI clarity, as gauged and graded in the mount. Clasp secure, safety catch. In very good condition. Gross weight approximately 33 grams.

 

NATURAL PEARL LOTS

Significant natural pearl lots include Lot 334 and 300

 

LOT 334 - FINE NATURAL PEARL AND DIAMOND NECKLACE
LOT 334 – FINE NATURAL PEARL AND DIAMOND NECKLACE

 

LOT 334 – FINE NATURAL PEARL AND DIAMOND NECKLACE – with an estimate of CHF 250,000 – 450,000 (USD 259,960 – 467,928) is the top lot among natural pearls. The 39 cm (15 ins) choker length platinum necklace, signed KERN, maker’s mark, stamped Pt950 for platinum, has a neck chain designed as a line of marquise-cut diamonds placed side to side, with a clasp behind also set with a larger marquise shaped diamond. The front V-shaped lower half of the necklace has a larger marquise shaped diamond set vertically at the vertex, from which a detachable pendant set with a drop shaped natural pearl measuring approximately 12.80 x 12.85 x 22.30 mm, capped with marquise-shaped diamonds, is suspended.

 

LOT 334 - FINE NATURAL PEARL AND DIAMOND NECKLACE - PENDANT ENLARGED
LOT 334 – FINE NATURAL PEARL AND DIAMOND NECKLACE – PENDANT ENLARGED

 

SSEF report no. 98657, states that the drop-shaped pearl, measuring 12.80 – 12.85 x 22.30 mm, was found to be a natural, saltwater pearl. The pearl has a slightly grey body color, with light rosé and green overtones, very good luster and an overall smooth skin.

Estimated total weigh of diamonds approximately 16.00 – 18.00 carats, average color-grade G-H color, clarity-grade VS clarity, as gauged and graded in the mount. Necklace detachable in two parts. Total gross weight approximately 48 grams.

 

LOT 300 - GROUP OF SEVEN NATURAL PEARL AND DIAMOND PENDANTS
LOT 300 – GROUP OF SEVEN NATURAL PEARL AND DIAMOND PENDANTS

 

LOT 300 – GROUP OF SEVEN NATURAL PEARL AND DIAMOND PENDANTS – with an estimate of CHF 60,000 – 80,000 (USD 62,390 – 83,187)   is another natural pearl lot of the sale. The seven pendants of oblong shape that could be arranged with the central longest pendant in the center, and three pendants of similar size and shape on either side, as seen in the above image, are suitable for mounting as fringes to a necklace. Each of the seven pendants suspends a detachable natural pearl in the center of drop to barouque-drop shape, by a bell-cap arrangement set with rose-cut diamonds and a single circular-cut diamond at the point of suspension. The suspended pearl is surrounded by a row of circular-cut diamonds of oblong, flask shape, attached to two leaf-shaped motifs of the surmount, also set with circular-cut diamonds, the surmount topped with another large circular-cut diamond, attached with a loop for suspension.

SSEF report no. 95820, states that the seven drop to baroque-drop shaped pearls with dimensions of approximately 9.20 x 9.55 x 13.10 mm to approximately 11.50 x 12.50 x 16.70 mm, were found to be natural, saltwater pearls. The pearls have a white to slightly cream body color, partly with rosé and green overtones and good skin and having small pinpoints, growth marks and blemishes.

The diamonds are bright and lively. Signs of wear to the metal consistent with age. The pendants are In good condition. Total gross weight approximately 61 grams.

 

 

CULTURED PEARL LOTS

Some of the cultured pearl lots include Lots 180, 41 and 51.

 

LOT 180 - EMERALD, CULTURED PEARL AND DIAMOND NECKLACE
LOT 180 – EMERALD, CULTURED PEARL AND DIAMOND NECKLACE

 

LOT 180 – EMERALD, CULTURED PEARL AND DIAMOND NECKLACE – with an estimate of CHF 40,000 – 70,000 (USD 41,594 – 72,789) is among the top cultured pearl lots of the sale. The 40 cm (15.75 ins), choker length necklace, stamped 750 for 18 carat gold, is composed of a row of spherical cultured pearls of dimensions ranging from 10.7 to 11.5 mm separated by alternating smaller and larger 18k yellow gold rondelles, the larger rondelles set with circular-cut diamonds, and the front lower end of the necklace set with three step-cut emeralds weighing 5.76, 2.84 and 2.60 carats respectively, within brilliant-cut octagonal shaped diamond surrounds, separated by spherical cultured pearls with cone-shaped caps on either side set with circular-cut diamonds.

SSEF report no. 96711, states that the three emeralds weighing 5.76, 2.84, and 2.60 carats, measuring 10.92 x 10.85 x 7.55 mm, 8.51 x 7.97 x 6.36 mm and 8.46 x 7.98 x 6.29 mm respectively, are of Colombian origin, with a minor amount of oil in fissures. The Emeralds are green of medium strong saturation, good transparency, with typical inclusions, some surface reaching.

Cultured pearls ranging in size from approximately 10.53 to 11.52 mm, are of white body color, with good skin and luster, growth marks, pinpoints, scratches and blemishes.

Estimated total weight of diamonds approximately 8.00 – 10.00 carats, average color-grade G-H color and clarity-grade VS clarity, as gauged and graded in the mount. Clasp secure. Gross weight approximately 87 grams.

 

LOT – 41 - CULTURED PEARL, SEA URCHIN SHELL AND DIAMOND PARURE, GILBERT ALBERT
LOT – 41 – CULTURED PEARL, SEA URCHIN SHELL AND DIAMOND PARURE, GILBERT ALBERT

 

LOT – 41 – CULTURED PEARL, SEA URCHIN SHELL AND DIAMOND PARURE, GILBERT ALBERT – with an estimate of CHF 30,000 – 50,000 (USD 31,195 – 51,992) is another cultured pearl lot of the sale.

The parure comprises of a necklace, a pair of earrings and a ring, each signed Gilbert Albert, numbered with maker’s mark for Gilbert Albert and stamped 750 for 18 carat gold.  The 39 cm (15 ins.) choker length necklace numbered 1248, is composed of sea urchin shells and cultured pearls, highlighted with brilliant-cut diamonds.

 

LOT – 41 - CULTURED PEARL, SEA URCHIN SHELL AND DIAMOND PARURE, GILBERT ALBERT - PAIR OF EARRINGS
LOT – 41 – CULTURED PEARL, SEA URCHIN SHELL AND DIAMOND PARURE, GILBERT ALBERT – PAIR OF EARRINGS

 

The pair of earrings of matching design, numbered 1860, is also composed of sea urchin shells, cultured pearls and brilliant-cut diamonds and provided with post and clip back fittings.

The size 56 ring, also of matching design and numbered 1859, is also composed of sea urchin shells, cultured pearls and brilliant-cut diamonds.

The lot is accompanied by three certificates of authenticity from Gilbert Albert.

Cultured pearls have a rose and slightly cream body color, with rosé and green overtones, minor surface blemishes.

Sea urchin shells showing signs of wear.

Estimated total weight of diamonds approximately 4.79 carats, average color-grade H-I color, clarity-grade VS-SI clarity, as graded in the mount. Scratches to the metal consistent with age and use. Overall in good condition. Total gross weight approximately 222 grams. Fitted case stamped Gilbert Albert.

 

 

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