Category Archives: Famous Gemstones

Unnamed 393-carat Sri Lankan Blue Star Sapphire

 

Origin of Name

The 393-carat blue star sapphire remained unnamed until recently

The 393-carat deep blue star sapphire with a well-defined 6-rayed star discovered in the 1970s from the alluvial gem deposits of Sri Lanka, is presently the…

Famous Blue Star Sapphires Greater than 100 carats in Weight

S/N Name Carat weight Origin Cut/shape Present owners 1 Lone Star 9,719.50 North Carolina cabochon star Harold Roper 2 Star of India 563.35 Sri Lanka round-cabochon star AMNH-New York 3 Le Cote d’Azur 397.095 Myanmar cabochon star Unknown 4 Unnamed-NGJA, Sri Lanka 393.00 Sri Lanka cabochon star National Gem & Jewelry Authority, Sri Lanka 5 […]

Empress Maria Alexandrovna Sapphire Brooch

 

Origin of name

The brooch gets its name from the Russian Empress Maria Alexandrovna, the empress consort of Czar Alexander II, Emperor of Russia (1855-81), who purchased the 260.37-carat enormous Sri Lankan (Ceylon) blue sapphire at the Great London Exhibition held in 1862…

List of famous Sri Lankan blue sapphires greater than 100 carats in weight arranged in descending order of carat weights

S/N Name Carat Weight Origin Cut/shape   1 Star of India 563.35 Sri lanka round-cabochon Star AMNH-New York City 2 Blue Giant of the Orient 486.52 S. L. cushion unknown 3 Queen Marie of Rumania 478.68 S. L. drop-shape cushion unknown 4 Logan Sapphire 423.00 S. L. rectangular-cushion NMNH-Smithsonian 5 Blue Belle of Asia 400.00 […]

List of famous blue sapphires in the world greater than 100 carats in weight arranged in descending order of carat weights

S/N Name Carat weight Origin Cut/shape Present owners 1 Lone Star 9,719.50 North Carolina cabochon-star Harold Roper 2 Star of India 563.35 Sri Lanka round cabochon-star AMNH-New York 3 Blue Giant of the Orient 486.52 Sri Lanka cushion Unknown 4 Queen Marie of Romania 478.68 Sri Lanka drop-shape cushion Unknown 5 Logan Sapphire 423.00 Sri […]

Catherine the Great’s Sapphire

  Origin of name The enormous 337.10 carat “Catherine the Great’s Blue Sapphire” gets its name from the one time owner of this gemstone, Catherine the Great (1762-96), one of the two greatest rulers of the Romanov dynasty, that ruled Russia for more than 300 years from 1613 to 1917. Catherine the Great, was a […]

Queen Marie of Romania’s Sapphire

Origin of name

The enormous 478.68-carat Sri Lankan blue sapphire gets its name from the onetime owner of the gemstone Queen Marie of Romania (1875-1938), queen consort of King Ferdinand of Romania (1865-1927). The King purchased the gemstone set as a drop to a…

Midnight Star Sapphire

Origin of name What inspired the name midnight ? ¬©AMNH New York City The Midnight Star Sapphire is a large deep purple-violet sapphire of Sri Lankan origin, belonging to the American Museum of Natural History, New York. It is not known exactly what property of the stone inspired the term “midnight” to refer to this […]

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