Rio Tinto’s tender has record number of reds
Rio Tinto has unveiled the 55 diamonds that will be featured in its annual Argyle tender, including 51 pink and purplish-red diamonds and a record four fancy red diamonds.
Want to see Petra’s 122-carat blue? Now’s the time
Beginning Monday in Johannesburg, Petra Diamonds Ltd. will display one of the year’s most spectacular diamond finds, a 122.52-carat blue diamond unearthed at the Cullinan mine in South Africa.
Stuller acquires De Beers’ melee screener
Sightholder and supplier Stuller Inc. is one of two United States companies now using De Beers’ Automated Melee Screening device, which is designed to tell small lab-grown diamonds from natural ones.
Standard Chartered’s Anna Martin goes to GIA
The Gemological Institute of America has hired longtime industry leader and Standard Chartered Bank executive Anna Martin as its new senior vice president of global development.
GIA CEO guest of honor at Israel’s diamond week
The Israel Diamond Exchange will welcome GIA President and CEO Susan Jacques as its guest of honor for International Diamond Week, scheduled to take place in September at the IDE.
198-carat rough diamond surfaces in Lesotho
Gem Diamonds Ltd. made its largest gem-quality rough diamond find to date this year when it pulled a 198-carat piece of rough from its Letšeng mine in the Kingdom of Lesotho last month, the latest in a line of 100-carat-plus stones found this year.