Tag archive for ‘Gemological Institute of America’
Ilan Shavit On Wednesday, May 13th, 2015

Israeli Lab Suspected of major diamond fraud

The Gemological Institute of America (GIA) has sent out a laboratory alert recalling 424 diamond grades. The diamonds were treated with a process that temporarily improved their color by up to three levels. More...

Graff, Diamonds Jewlery
Yoel Bermant On Wednesday, April 9th, 2014

Graff Vivid Yellow diamond set to dominate Sotheby’s Geneva auction

– The 100.9 carat diamond is expected to fetch somewhere between $15 million-$25 million  at the auction to take place in the auction giant’s Geneva offices on the shores of Lake Leman in May. – – There More...

Clive Minchom On Saturday, March 1st, 2014

The Pink Diamond Strikes Again – Auction Buyer Defaults So Sothbey’s Keeping It For Now

– – Last November, a diamond cutter in New York, Isaac Wolf, out-bid three other participants in a Sotheby’s auction to buy the most expensive gemstone ever sold. The almost 60 carat oval More...

Alan Gallindoss On Thursday, November 14th, 2013

Isaac Wolf Buys The ‘Pink Dream’ Diamond For $83 Million In Sothebys Geneva Auction Last Night

– Isaac Wolf, a New York-based diamond cutter, was the buyer of the almost 60 carat pink diamond that sold for $83, 187, 381 at Sothebys Geneva jewellery auction last night. – Isaac Wolf More...

Wordpress site Developed by Fixing WordPress Problems