Our reputation worldwide among the most demanding and discriminating designers and
jewelry manufacturers speaks volumes for our products, exacting performance and
With the majority of our production centered on diamonds of one-carat and smaller, in colors
and clarities ranging from D-G and IF-VS respectively, Gem Source caters to manufacturers
and retailers of luxury jewelry in need of a reliable and consistent supplier of superior
Utilizing the most modern equipment, and faithful allegiance to the ageless craft of
diamond cutting, Gem Source has distinguished itself from other manufacturers
of the Russian Cut diamond by a strict adherence to the highest levels of quality and
Our clients agree. Manufacturers, designers, couture jewelers, and retailer operators all
choose Gem Source diamonds to bring out the fire and brilliance in their jewelry.
Gem Source International, Ltd.
589 5th Avenue
New York, NY 10017