DIAGEM operates on the primary market with direct access to reputable mining sources, cutting centers, and laboratories.

We are renowned for sourcing and trading fine Rubies, Sapphires, Emeralds, and a wide array of rare colored stones. Rare Gemstones are certified by the world’s most trusted laboratories: GIA, Gübelin, HRD, SSEF, GRS, Tokyo Gem Lab, AIGS.