Grunberger Diamonds

Grunberger Diamonds is a family-owned Belgian Diamond Manufacturing company that specializes in producing Ideal Cut with Hearts and Arrows in Melee. We first opened our doors in the famous Antwerp Diamond District in 1945 under Samuel Grunberger. Grunberger Diamond's production facility is located in Vietnam while our sales offices are based in New York, Tokyo and Antwerp. 
 
Jewelers understand the convenience and value of the Grunberger Precision Cut. We have the sizes, qualities, quantities, and service you need, whether it is a perfectly calibrated C.A.D. layout or a stock order. Our unmatched accuracy in grading and precision in sorting allow you to order only what you need. We carry more than 50 combinations of color and clarities ranging from IF-VVS to SI3-I1  and D to L in sizes 0.70 to 4.29 mm. 
 
Grunberger Diamonds purchases rough diamonds exclusively from sources that 100% comply with the Kimberly Process, which ensures every diamond is traceable. At our main office in Antw