The massive emerald cluster, named the Kafubu Cluster, was discovered in Zambia around March 2020. Displaying the most desirable vivid green colour of emerald and typical hexagonal structure, it weighted 37,555gram which equals to 187,775cts. After careful inspection, this cluster was so rare that apart from its huge size, it... Read More
The Williamson Pink Star Diamond, weighted 11.15cts with Fancy Vivid Pink and internal flawless, auctioned by the Sotheby’s Hong Kong on 7th October 2022. It fetched HKD 453.2 million (US $57.7 million) and set a world auction record price for the highest price per carat for any diamond or gemstones.... Read More
A 1.21-ct Fancy Orangy Red Diamond appears in Heritage Auctions for its Sept. 29 Fall Fine Jewelry Signature-Auction. It is estimated around $100,000-$150,000 USD. According to Heritage Auctions’ executive director of fine jewelry, “This gem is one of only a few diamonds to display enough saturation and intensity to be... Read More
The Fancy Color Research Foundation (FCRF) announced the Q2 2022 Fancy Color Diamond Index (FCDI) results in August 2022. Due to the increasing demand and tightened supply in fancy colored diamond, the prices across all colors and sizes had continually increased in this quarter, average increased 0.8%. Comparing with other... Read More
The HKTDC Hong Kong International Jewellery show and Hong Kong International Diamond, Gem & Pearl Show will be held during 29 July – 2 August 2022 in Hong Kong Convention and Exhibition Centre (HKCEC) Hall 3. The fair is open to visitors aged 16 or above. Admission badges are required... Read More
A pear-shaped white diamond, nicknamed The Rock, weighing 228.31 carat as the largest white diamond ever appear at auction fetched USD $21.9 million (around HKD $172m) in the Christie’s Geneva Magnificent Jewels sale on 11 May 2022. Although the auctioned price didn’t break the record as hoped, it still fell... Read More
The world largest Fancy Vivid Blue diamond in auction history, named “The De Beers Blue”, weighting 15.10 carat, was sold at Sotheby’s auction in Hong Kong for HK$ 451m (US$ 57.47m) on 27 April 2022. The hammered price came very close to the current record holder, The Oppenheimer Blue (14.62cts... Read More
On January 27 2022, GIA released a report examining and grading a 16.41-carat lab-grown synthetic diamond, produced by using chemical vapor deposition (CVD) method. This is the new record size for CVD laboratory-grown diamond, revealed in the GIA report. This 16.41-carat princess-cut synthetic diamond, produced by Shanghai Zhengshi Technology Co. Ltd., measures 13.97 ×... Read More
The World’s Largest Fancy Black Diamond to be auctioned at Sotheby’s in February 2022 A 555.55 cts natural fancy black diamond, believed to have come from outer space, will be auctioned at no reserve at Sotheby's London on February 3, 2022. The black diamond, named "The Enigma," is extremely rare, and... Read More
HKGRACE will increase the fee for melee screening service with effective on 3rd January 2022. The screening service fee for loose diamond with sieve size under 2.5 will be HK$130 per carat, the screening service fee for diamond with sieve size 2.5 and up remain unchanged. Read More