National Jeweler Network

Colored Stones


Appointments: AGTA, William Noble, more

The AGTA’s new board of directors, a new sales associate at William Noble Rare Jewels and the first female vice president of a diamond exchange are among the industry’s recent career moves. 


Production at Gemfields’ Kagem mine down slightly

Precious gemstone miner Gemfields reported Friday that production of emerald and beryl at its Kagem mine in Zambia hit 6.3 million carats in its third quarter, down from 6.5 million in the prior-year period.


NAJA schedules 2015 Tucson conference

The new laws surrounding ivory and the identification of CVD-grown diamonds are among the topics that will be covered at this year’s event. 


Researcher Thomas Hainschwang wins Bonanno award

The Accredited Gemologists Association has chosen Thomas Hainschwang, director of the GGTL Laboratories in Liechtenstein, as the recipient of the 2015 Antonio C. Bonanno Award for Excellence in Gemology.


AGA announces Tucson conference speaker lineup

Gübelin’s Lore Kiefert and AGL President Christopher Smith are among those slated to speak at the Accredited Gemologists Association conference in Tucson this February. 


Mining co. cuts world’s largest csarite

Milenyum Mining has discovered and faceted the largest known csarite in the world, a 121.65-carat pear-shaped stone that it expects to retail for close to $1 million. 


What gemstone is the favorite among consumers?

Jewelry Television is asking the public to vote on their favorite gemstone to select the “Gem of the Year,” a promotion that gives the on-air retailer valuable insight into customer preferences.  


Paraiba tourmaline ring wins Spectrum’s Best of Show

A platinum ring featuring a Paraiba tourmaline accented with French-cut diamonds by designer Leon Mege took home both the Best of Show award and top honors in the classical category at the American Gem Trade Association’s annual Spectrum Design competition.


GIA gets inside look at African emerald mine

On a recent trip to Zambia, field researchers with the Gemological Institute of America got a look at what has made the Gemfields emerald mining operations at the Kagem mine so successful.