Do you need help? Please call us at (307) 686-6666.
Gillette, WY: (307) 686-6666
Miles City, MT: (406) 234-4064
Monday - Saturday: 9:00am–6:00pm
Founded in Los Angeles in 1978, Coast Diamond started out as a diamond company and evolved into one of the top designers of bridal jewelry. The inspiration behind Coast Diamond comes from owner, Jay Gilbert’s, appreciation of old-world techniques and classic elegance. For over three decades now, Coast Diamond has been translating classic and romantic designs into contemporary bridal jewelry.