Hand-curated, guaranteed for life,
and never out of reach.
Explore thoughtful options for finding the one and making it yours.
Here, every lab-grown and RB Select® Natural Diamond is hand-curated, sold loose, and guaranteed for life—by a team that works with you to explore options and make the right diamond yours.
Prices shown reflect the applied discount of 20% off loose lab-grown diamonds and 10% off loose natural diamonds. Offer valid on purchases made between July 1 - July 26, 2026. Offer applies to existing loose diamond inventory and cannot be combined with any other promotional offers or discounts. Services and warranties are excluded from the discount. Only natural diamonds qualify for our 110% Trade-Up Guarantee; lab-grown diamonds are not eligible—learn more. Offer may be combined with financing according to credit calculator guidelines; a down payment is required for options other than 6, 12, and 60 months. Not valid on existing layaways or special orders unless paid in full during the promotional period. Robbins Brothers reserves the right to modify or end this offer at any time.
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.
Hand curated
by us.
Hand selected
with you.
Only 1 in 10 of the world’s most beautiful & radiant diamonds makes
the cut
Over a century in
the natural
diamond business and over a decade in lab-grown
Loose Diamond Discovery Experiences help
you find the
perfect diamond
Lifetime Diamond, Sapphire, and Ruby Limited Warranty
& 110% Natural Diamond Trade-up Guarantee,
excludes lab-grown
Learn more
Commitment
to quality, transparency, and ethical practices
and purveyors
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
