National Jeweler Network

Diamonds

08/20/14

AGS to open new take-in window this month

The American Gem Society Laboratories is expanding its take-in window operations with a new location in Los Angeles. 

08/15/14

High graduation, employment rates net GIA an award

Next month, the GIA’s campus in New York will be recognized with a School of Excellence Award, in part for its efforts in helping students maintain high levels of achievement. 

08/14/14

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.

08/13/14

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.

08/12/14

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. 

08/08/14

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.  

08/08/14

First half production, prices up, Rio Tinto says

Diamond production rose 2 percent in the first half of the year for Rio Tinto Group, while higher diamond prices boosted earnings in the mining company’s Diamonds & Minerals group.

08/07/14

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.

08/06/14

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.