Established in Pittsburgh, PA in 1999, ADI has been serving the diamond needs of retail stores as well as wholesale offices across the country. Being a direct source of loose, certified as well as non-certified stones, we have the ability to provide you with the desired product at competitive prices.

Our carefully selected staff takes every diamond inquiry very seriously and with full commitment to satisfy the client. We are here to share our knowledge, professional experience and make our customers feel that anything is possible. Avnir Diamonds means quality, trust and endless opportunities.