SICUSA-GEMS provides Uncut and Polished Diamond and Precious Gemstone Marketing and Sales services. We provide services for Private and National gem-mining productions of uncut gemstones. Our services include mine-run sorting, grading, contract diamond and precious stone cutting and polishing (lapidary) services, international marketing and sales for diamonds and precious gemstones.  We provide Four plus decades of experience along with a significant U.S. and international client base.

We are buyers of Uncut (Rough) and Polished diamonds and precious gemstones to include: Aquamarine, Alexandrite, Black Opal, Chrysoberyl Cat's-Eye,  Diamonds, Emeralds, Garnets, Jade, Opal, Peridot, Ruby, Sapphires, Tanzanite, Topaz, Tourmaline, Turquoise and other Precious Gems.