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Explore RB Select Natural Diamonds

and Certified Lab-Grown Diamonds

Loose Diamond Discovery Experiences give you the support you need to choose the diamond that’s right for you.


Learn more about RB Select Natural Diamonds

Learn more about Certified Lab-Grown Diamonds


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The RB Diamond Difference

Whether an RB Select natural diamond or a cost-effective option like lab-grown, every diamond we sell is backed by our Diamond, Sapphire, and Ruby Limited Warranty, click here for full details.




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Hand curated
by us.
Hand selected
with you.

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Only 1 in 10 of the world’s most beautiful & radiant diamonds makes
the cut

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Over a century in
the natural
diamond business and over a decade in lab-grown

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Loose Diamond Discovery Experiences help
you find the
perfect diamond

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Lifetime Diamond, Sapphire, and Ruby Limited Warranty
& 110% Natural Diamond Trade-up Guarantee,
excludes lab-grown
Learn more

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Commitment
to quality, transparency, and ethical practices
and purveyors

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Ready to find the loose diamond?

Our expert diamond consultants are here to guide you through the journey of hand-selecting your RB Select Natural Diamond or a Certified Lab-Grown Diamond.


Book your Diamond Discovery Experience

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*The prices you see displayed have already been discounted. Offer valid on purchases made April 18 through May 11, 2025. 10% off all natural diamonds and 20% off all lab-grown Diamonds.