Ishaia Gol is the owner of Ishaia Trading Corp., a diamond company based in New York. Mr. Gol has over 40 years of experience in the large stone and fancy color diamond market. Throughout his expansive career, Mr. Gol has gained an excellent reputation among his peers as an expert in colored diamonds. He has cut and traded some of the most important fancy color diamonds in the world. Mr. Gol’s extensive knowledge of the history of fancy color diamonds in the jewelry industry is an esteemed asset to the FCRF.
Research & Insights
New Industry Standard
We identify three primary visual characteristics of fancy color diamonds: Inner-Grade, Color Dispersion, and Undertone (IDU). We use grades 1, 2, 3, and 4. Grade 1 being the lowest quality grade and Grade 4+ is the highest possible grade, granted in rare cases and denotes stones with exceptional quality characteristics. Inner-Grade refers to the strength […]