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The Story Behind the New Gemstone: Aquaprase
The gem that stumped even a noted gem lab is all new and all natural
Two years ago, veteran gem explorer Yianni ...
404 Carat Diamond in Angola....
Lucapa Diamond Co. has recovered a 404.2 ct. diamond at its Lulo mine in Angola.
The diamond (pictured, right) is ...
Behold the World’s Largest Blue Star Sapphire
A Sri Lankan gem trader is selling the world’s largest blue star sapphire.
The egg-shape stone weighs 1,404.49 cts...
This 12 Carat Blue Is Now the Most Expensive Diamond Ever Sold at Auction
The Blue Moon, a 12.03 ct. internally flawless vivid blue cushion cut, fetched $48.5 million at the Sotheby’...
Most Valuable Diamond Ever? A 12.03 Carat Fancy Vivid Blue Goes Up for Auction
On Nov. 11 in Geneva, Sotheby’s will auction the Blue Moon, a 12.03 ct. internally flawless vivid blue estimat...
357 Carat Diamond Sells for $19 Millio
Gem Diamonds, the U.K.–based diamond producer, sold a 357 ct. white diamond for $19.3 million on tender in Antwe...
Jeweler Salvages 500-Year-Old Pendant From Scrap Pile
A medieval pendant was purchased by a museum in England for $20,000 after a jeweler recognized its value when...
Demand for gold jewelry up slightly in the US
London--Demand for gold jewelry in the United States continues to inch up just a bit every quarter, the World Gold ...
Study Finds Women Are More Excited About the Apple Watch Than Men
But they’re still not in love with its design
The sleek, simple lines of the Apple Watch may look and feel more ma...
‘Sunrise Ruby’ lights up the auction world"
Geneva--A ring set with a 25.59-carat Burmese ruby set three world auction records Tuesday when it sold for $30.3 m...
How to prevent silver from tarnishing
Sterling, at over 92% silver, is quite pure. Perhaps this metal's most remarkable attribute is the way it ages. ...
100 Carat D IF “Ultimate” Emerald Cut to Be Sold by Sotheby’s
Sotheby’s calls it the Ultimate Emerald-Cut Diamond—and it’s hard to argue.
The famed auctioneer will offer a 1...