National Jeweler Network



Lab-grown diamond co. under SEC scrutiny

Recent SEC filings by diamond grower Scio show that the company is in default on a loan and may come under investigation by the Securities and Exchange Commission. 


GSI distributing joy to children, box by box

Gemological Science International has delivered its first shipment of school supplies and children’s clothes to underprivileged children in India, the result of a recently launched campaign called “Joy Box.” 


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. 


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. 


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. 


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.


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.