National Jeweler Network

Colored Stones

10/21/14

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. 

09/25/14

Revenue, profit up for Gemfields in fiscal 2014

Both revenue and profits increased this past fiscal year for Gemfields Plc, which saw the company push into the black as it began selling rubies for the first time.  

09/25/14

Mikimoto unveils new global ad campaign

Mikimoto announced that it will launch its first global ad campaign in more than a decade this fall, coinciding with the launch of a redesigned website for the brand. 

09/17/14

Gemfields expands into sapphires

Gemfields has entered into a joint venture with East West Gem Investment Limited in Sri Lanka to add sapphires to its portfolio of colored gemstones, which already includes emeralds and rubies. 

09/16/14

True North secures $10M in financing for ruby mine

True North Gems has signed an agreement with two companies to provide approximately $10 million to the company and its operating subsidiary for the Aappaluttoq ruby mine in Greenland. 

09/12/14

Tanzanite Foundation to restructure

The Tanzanite Foundation recently announced that it would undergo a structural and operational reorganization effective this month to better align the nonprofit with the global tanzanite market and sightholder expectations. 

09/05/14

Rocks On: Tanzanite comes into its own

In the second installment of Rocks On, National Jeweler takes a look at the current status of the tanzanite market and showcases 13 pieces of tanzanite jewelry. 

08/22/14

Gemstone csarite now trademarked in US

Milenyum Mining announced that it has been granted two trademarks by the U.S. Patent and Trademark Office for csarite, the color-changing gemstone it mines in Turkey. 

08/20/14

Inside the Csarite Mine of Turkey

High in the Anatolian mountains of Turkey is a mine that is the sole source for a gemstone trending among jewelry designers in search of something different.