About Costar

Learn About the brand

Costar Imports has been serving Fine Jewelry Independents in the United States since 1988. Combining decades of wholesale diamond experience with talented designers and expert manufacturing specialists, we bring you the latest in Bridal & Fashion Diamond Jewelry. Quality, style, superior craftsmanship, and value are at the heart of all Costar products and our attitude to your success leads to an everlasting partnership.