The GIA changes valuation standards for synthetic diamonds
The Gemological Institute of America (GIA) is one of the most important authorities for evaluating and certifying diamonds. Synthetic...
Gemological Institute of America (GIA)
Trump tariffs: impact on the diamond industry
US President Trump's new customs regulations are bringing chaos and uncertainty to international supply chains. The Gemological Institute of America (GIA)...
"Mediterranean Blue": Exclusive diamond to be auctioned at Sotheby's
In May, Sotheby's will auction the "Blue Mediterranean" diamond. We provide background information on its special features, history, and...
Deutsch 
English (UK)