Letšeng stone said to represent "robust demand" for valuable diamonds.
Institute reduces per-stone fee for synthetic and natural testing.
Structural overhaul follows recent closure of New York office.
Registration for 2015 to 2018 Sightholder period to open on August 25.
US diamond jeweller adjusts pricing on jewellery as sales drop 1.3%.
Team went on fact-finding trip to emerald and tourmaline mining areas.
Free seminar to discuss gem identification challenges across Japan.
Most Popular »
JOIN THE PROFESSIONAL JEWELLER COMMUNITY
EDITOR'S CHOICE »
Regional Fairtrade partner introduces traceable gold to key companies.
The facts, figures and feedback from attendees and exhibitors.
On creating jewels for Fortnums, four-legged friends and cute couples.
ALSO IN ProfessionalJeweller.com »
Third quarter financial results point to big losses but sales boost.Read more
Gary Birchley on the importance of building strong industry relations.Read more
The facts, figures and feedback from attendees and exhibitors.Read more
Fashion designer's debut jewellery range to launch on November 23.Read more
Highlights from the industry's foremost celebration on September 1.Read more