Lab also rolling out new comments clarifying impact of fluorescence.
Category: Colored Gemstones
Consumers can’t get enough of fine colored stones and cultured pearls, but the spiking demand is driving up prices and squeezing supply. Industry insiders weigh in.
Two gem suppliers’ innovative cuts are making peridot and ruby shine.
Partnership with Bahrain government will create opportunities for select US retailers and dealers.
Eternal Pink diamond sells for same price at high-value Sotheby’s auction.
Sale fetches highest-ever revenue, average price and price per carat for a single lot.
11.16-carat, fancy-vivid stone has remained in the same European collection since its debut in 1970.
Mozambique-mined Estrela de Fura may set new auction record.
Purpose and profit: The costs of not embracing ethical practices are rising.
Rare jewel will go under hammer at Phillips Hong Kong in May.
Gemtelligence analyzes emeralds, sapphires and rubies to determine origins and detect treatments.