Loose Diamond Search

Trust Best Brilliance™ for the largest inventory and the widest array of loose diamonds anywhere. Whether you are searching for a diamond for yourself or someone special, you’ll find our diamond search easy and intuitive to use. You can select everything from the shape, color, clarity, cut, and carat weight—and also the price range you want. So the search results are just in your preferred range. 

We know what’s important to you when shopping for a diamond. Our entire inventory of fine diamonds are ethically sourced and professionally graded. Each diamond is accompanied by its own laboratory certificate, so you have an extra layer of confidence in knowing our diamonds are of the highest quality available. 

Find the Loose Diamond You Want

Our loose diamond selector makes finding the exact shape, color grade and size of diamond that you’ve been looking for, all while keeping to your budget. With our massive inventory to choose from, you’ll soon find the perfect diamond that you’ve wanted. Would you like to stop in and explore our entire collection of loose diamonds in store? Simply make an appointment today with one of our friendly diamond experts who are ready to show you everything we have available.

Why Buy from Best Brilliance™?

The more you learn about Best Brilliance™ the greater your confidence grows. You’ll soon understand why there is no other place to buy your diamonds and diamond jewelry than from the trusted experts at Best Brilliance™. Our family owned diamond business located in the heart of New York’s diamond district also has a global presence in Belgium, Los Angeles, and Tel Aviv. We are recognized for our expertise in the field of clarity enhanced diamonds.  For over 4 decades our mission has been to consistently provide top-quality diamonds at unparalleled prices to jewelers and jewelry dealers around the globe. Today we are offering this same level of quality and care to our retail customers; direct from the source with no middlemen involved.

At every step in the process, we work with the best professionals to assure you of getting the finest diamonds anywhere. From the rough diamond crystals to our skilled diamond cutters who precision cut the stones and every step including our talented team of bench jewelers completing your ring, Best Brilliance™ assures you of the finest diamond products anywhere. 

As a family-owned and operated business, we are able to participate more personally with issues that matter to us. We are fully compliant with the Kimberley Process which resolves to prevent ‘conflict diamonds’ from entering the diamond market. And we donate at least 10% of Best Brilliance™ profits to worthwhile charities in Africa and abroad.


Our buying power allows us to pass on tremendous values to our retail customers without sacrificing on quality or the latest styles you’ve been searching for. Our online store brings all of these together in one easy to use website which helps find your one perfect ring from our vast inventory of diamonds and settings, all at prices to please. Leave nothing to chance. See the diamond and ring you want on our website in the online photo or even a 360° view of the piece. Your complete satisfaction is our goal because our core principles are to exceed your expectations. Best Brilliance™ is committed to helping you find the ring of your dreams at prices to amaze. We are so confident that you will be completely satisfied with the quality and value of our merchandise, if you are not 100% happy with your purchase for any reason, you may exchange or return any or all of your items within 30 days of purchase and receive a full refund. Still have questions? No problem. Allow one of our experienced diamond experts to help you select the perfect diamond and setting. Contact us today and experience our VIP customer care.


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