Find Exactly What You Want for the Absolute Best Price

CoolBlue Diamond is a Minnesota diamond importer/wholesaler offering a unique opportunity to our consumers. We sell custom diamond jewelry direct to the public at the same wholesale prices formerly offered only to diamond jewelry stores. Find any ring you like, and we can custom create it for less. We can recreate any style of diamond jewelry such as bracelets, necklaces, pendants, and earrings.

Combine our diamond import prices with our extensive settings gallery, priced at near manufacturers cost, and we guarantee you will be blown away!

We are selling to the public at the same price that was once only offered to retail stores. CoolBlue Diamond is a division of Charles A Mark and Co., a wholesale diamond company that has imported and supplied diamonds to the finest jewelry stores across MN & the Midwest for 75 years, spanning over 3 generations.