Since 1999, Kosa Diamonds has been creating one-of-a-kind pieces from the most beautiful precious stones. We are involved in every part of the process, from sourcing through the final polish.
The team at Kosa Diamonds focuses on one-on-one client relationships. It’s a discovery process, listening to the client and learning what she is looking for in a piece. Using diamonds, rubies, emeralds and sapphires, we work closely with the client to realize her vision.
We are known for our attention to detail and innate eye for true beauty.
576 5th Ave
New York, New York County 10036