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     Quality Certification

May Diamonds has been supplying highly quality loose diamonds and diamond mountings for more than a decade to thousands of customers. Each and every one of our loose diamonds is certified by the most universally respected GIA Gemological Trade Laboratory. Most importantly, the GIA certificate is respected not only among customers, but also among wholesalers and retailers. Our mountings are intricately hand crafted by our experienced jewelry craftsmen. With our large purchasing power, we negotiate excellent prices on smaller diamonds in order to pass the savings to our customers. Our professional buyers individually select stones for each mounting produced by the craftsmen. For many years, May Diamonds has supplied to various retailers, but now gives you the opportunity to go directly to the source.


May Diamonds eliminates the middle man by providing you fine diamond rings directly from the source. At May Diamonds, we uniquely design and manufacture each diamond mounting. As a large buyer of loose diamond stones, we have developed strategic relations with large diamond manufacturing companies. The World Wide Web gives us an opportunity to expand our business beyond manufacturing and wholesaling. We have the opportunity to deliver these wholesale prices to you. creates a center for shopping and communicating that is open 24 hours a day and 7 days a week. The web site reduces the overhead costs of developing storefronts, which allows further savings to customers.


The Diamond Tutorial provides you with valuable knowledge on purchasing diamonds. Many jewelers briefly educate their customers, but at May Diamonds will teach you the most significant information that you will need to know when you purchase a diamond ring. We’ll teach you more than just the 4Cs. We will tell you which is the most important C and why. You will have the same knowledge as retailers, who buy from our wholesalers. If you have further questions, please e-mail us at or call 301-299-2700 or 301-983-0700.

     Customer Satisfaction

The following is for retail use only. All loose diamonds have a price guarantee; if you find a better price, then we will match the price and refund you 10% of the difference. Price guarantee is only valid if the GIA certificate matches exactly in all aspects of grading (includes carat weight, measurements, color grade, clarity grade, table, depth, girdle, fluorescence, & GIA comments). Price matching guarantee is only valid for 14 days from the arrival of the loose diamonds. FULL TRADE IN VALUE on diamonds purchased from us are accepted when accompanied by the original receipt. We will gladly accept your diamond solitaire purchased from us as a trade-in toward your next diamond purchase. The original sales receipt must accompany your trade-in and the purchase price of the new item must be at least two times the purchase price of your original diamond as reflected on the receipt. Click here for our exchanges and refunds policy. If you have any questions concerning our guarantees, please e-mail us at or call 301-983-0700 or 1-888-338-9634.

    All  Rights  Reserved.