News
Graff Unveils First Diamonds Cut from 1,109-Carat Stone
London—After more than a year of detailed analysis, cutting and polishing by a team of experts, Graff Diamonds has...
Marie Antoinette’s Pearl and Diamond Pendant Sells for $36M
Geneva—Not surprisingly, the recent auction of jewelry and other items from the collection of the Bourbon-Parma fami...
5,655-Carat Emerald !
London—Gemfields recovered a 5,655-carat rough emerald from its Kagem mine in Zambia earlier this month, the color...
‘The Moon of Baroda’ is Going Back Up on the Block ....
As part of its fall jewelry auction in Hong Kong, Christie’s is offering “The Moon of Baroda,” a fancy yellow pear...
177-Carat Diamond Among the ‘Stars of the Arctic’...
London—The Diavik Diamond Mine in Canada has yielded three sizable rough diamonds—including one very rare yellow—a...
5-Carat ‘Ai’ Blue Diamond to Sell for $12-15M
Hong Kong—A 5-carat fancy vivid blue diamond ring will be the highlight of Sotheby’s upcoming jewelry auction in H...
5 Things to Know About … American Gems
1. Tourmaline started it all. According to the USGS, tourmaline was the first gemstone mined in the United Stat...
White Gold ‘Unicorn’ Rolex Sells for $5.9M
Rolex manufactured this particular watch in 1970 and delivered it in 1971 to a German retailer, who, it is believed, ...
Previously Unknown Blue Diamond to Be Auctioned
The Farnese Blue, a 6.16 ct. blue pear-shaped diamond that was owned by some of Europe’s most prominent families a...
The Gold Resurgence
From ancient Egypt to the California Gold Rush, no metal is as intertwined in our shared human history as gold. Whil...
‘Circle of Heaven’ Jadeite Bangle Could Sell for $12.8Millions!
Hong Kong--A “highly translucent” jadeite bangle is expected to be the top lot at Sotheby’s Hong Kong next month. ...
Sotheby’s Selling 100-Carat Round Brilliant for Over $33M
London--On the occasion of the first anniversary of the opening of Sotheby’s Diamonds, the auction house’s reta...