1425 4th Avenue, Suite 502
Seattle, WA 98101-2218
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About Us

1Diamond.com is Seattle's premier jewelry wholesaler since 1985. Located on the fifth floor of the historical Joshua Green Building, 1Diamond.com brings you over 45 years of combined jewelry experience.

With access to over 30,000 diamonds, numerous gemstone dealers, designers and our own in-house custom fabrication facility, we guarantee you a unique selection of quality jewelry from which to choose.

We are committed to providing exceptional service and value.

"Thank you very much for the great job you did with the ring for Kris. She is so pleased! In fact, I don't think I've ever seen her so pleased. I also appreciate your having it ready in such a timely basis. That meant a lot to her as well." - Tim

"The quality and price of the diamond and setting that you acquired for me is like nothing that I could have hoped to find in any jewelry store." - Joe G.