About Us

Crafting Your Brilliance Since 2013

We are a jewelry boutique dedicated to illuminating your unique brilliance since 2013. We believe everyone deserves to shine.

Your Personal Online Jeweler

Welcome to Best Brilliance, where we transform your jewelry dreams into reality. We’re more than just jewelers; we’re your personal design partners, crafting each piece with passion, precision, and a touch of magic. Whether you’re vibing with moissanite, attracted to natural diamonds, or considering lab-grown diamonds, we’re here to guide and co-create with you, ensuring your jewelry is as unique and incredible as you are. Dive into a world where tradition meets innovation, and discover why we’re not your average online jeweler.


Customer Satisfaction Rating

As seen in

The Best Brilliance Promise

With over four decades of expertise in producing Moissanite, Lab lab-grown diamonds, and Certified Natural Diamonds, Best Brilliance stands as a beacon of trust and quality in the industry. We are committed to sourcing only the top 1% of the finest gems, with unparalleled craftsmanship at the forefront of our process, ensuring every piece of jewelry is meticulously inspected to showcase the utmost sparkle and finest polish. Our global presence, including a NYC office and offices around the world, enables us to acquire the finest diamonds from every corner of the planet. Responsible diamond and gem sourcing is a top priority at Best Brilliance; we are dedicated to environmental stewardship and ethical practices, ensuring our operations benefit both people and the planet. By purchasing directly from the source, we eliminate the middleman, ensuring you receive outstanding value for your money. At Best Brilliance, sensibility and excellence are our top priorities, guaranteeing you a purchase that’s as ethical as it is exquisite.

Uncompromising Quality Assurance

All diamonds at Best Brilliance are carefully selected for their quality before our proprietary technology enhances their clarity. Our quality assurance team works meticulously to ensure that our diamonds are of top quality and worthy of the Best Brilliance name. After our stringent inspection, your diamond is certified by a licensed professional before being carefully placed in your customized piece and shipped to your home. That is our uncompromising promise to each of our customers, today and always.

Always here for you

580 5th Ave , Suite #1818
New York, NY 10036
+1 866 978 4466

By appointment only.