International Gemological Institute Hong Kong Branch announced on Monday, November 23, 2020, that their laboratory had graded the largest synthetic Chemical Vapour Deposition (CVD) diamond, which is also the largest synthetic colorless diamond produced by any process, submitted to them by a Chinese Manufacturer, Shanghai Zhengshi Technology. The 12.75-carat, Type IIa, F-color, VVS2-clarity, round brilliant-cut […]
Category Archives: Diamonds
Alrosa’s “Spirit of the Rose Diamond” an oval modified brilliant-cut, 14.83-carat, fancy-vivid-purple-pink, internally flawless, type II stone, derived from the largest pink crystal ever mined in Russia, weighing 27.85 carats, achieved the highest price ever for any purple-pink diamond, sold at an auction, selling to an anonymous bidder for nearly $27 million at Sotheby’s Geneva, […]
The International Gemological Institute, the World’s largest independent laboratory for testing and grading gemstones and fine jewelry, with headquarters based in Antwerp, Belgium, announced on September 26, 2020, that in early September, they received two large HPHT-produced lab-grown black diamonds for analysis and grading. They further stated that one of those black diamonds had set […]
The Diamond Producers Association (DPA), the apex organization that includes all leading natural diamond producers in the world, has re-launched their organization in New York on June 1, 2020, with a new identity, known as the “Natural Diamond Council” (NDC), in a move calculated to distance itself from the lab-grown diamond sector, and further consolidating […]
Under the present atmosphere of total despair and loss of hope in the Indian diamond industry, caused by the lockdown precipitated by the corona virus crisis, a welcome ray of hope has emerged from the Indian diamond centres, with the news originating from Surat, the world’s diamond cutting and polishing capital, that the first consignments […]
Following an earnest appeal made by leading players among diamond producers in the world, calling on Indian manufacturers to impose a moratorium of at least three months on the import of rough diamonds into the country to enable the country’s cutters and polishers to recover from the corona virus crisis. Five trade bodies representing India’s […]
Chaim Even-Zohar, the veteran investigative diamond trade journalist in a comprehensive memo submitted to IDEX Online, on April 22, 2020, called on the Indian government to stop all imports of rough diamonds for three months so that the country’s cutters and polishers can recover from the corona virus crisis. The call was made following an […]
AGD DIAMONDS JSC, owners of Grib Mine, in Archangelsk, Northern Russia. Announced on 17th April, 2020, the recovery of a gem-quality large diamond, weighing 50.36 carats, on April 13th, the second such large diamond recovered this year, at their state-of-the-art mining and processing plant, GOK Them. V. Griba. The diamond was discovered as work at […]
While all sectors of the diamond industry, such as exploration, mining, cutting and polishing, and sales have taken a bad hit by the ongoing coronavirus pandemic affecting countries around the world, a leading Hong Kong based material analysis and nanotechnology company, Master Dynamic Limited, has come out with a pleasantly surprising news, that a new […]
The ongoing lockdown in India due to the coronavirus pandemic has completely halted the diamond and jewellery industry. The lockdown has caused exodus of migrant workers to their home villages, leaving the cities of Mumbai, Delhi and Surat which are well known for the manufacturing of jewellery and also for diamond processing. The owners of […]