Established in 1981, Rosenberg Diamond Company is a second generation family business that is one of the largest diamond wholesalers in the Northeastern, United States, with headquarters located at 738 Sansom Street in Philadelphia, Pennsylvania. We have expertise in buying and selling loose diamonds to retail jewelers for over thirty years! We specialize selling and memo loose GIA certified diamonds to dealers across the globe in our vast loose diamond inventory. We also specialize in buying diamonds from the public who are estate planning, divorce, looking to raise capital, etc… All transactions are completely CONFIDENTIAL!
