EXPLORE OUR SIGNATURE COLLECTION
SHOP BY RING STYLE
SKIP RETAIL & THIRD-PARTY MARKUPS
For 60 years we’ve provided natural and lab-grown diamonds to the world’s largest retailers and third-party platforms. Purchase straight from the source - that’s us - and access the best prices, guaranteed.
Real People,
Real Reviews
“Ultimate explained all the 4C’s to us and spent an adequate amount of time answering all of questions and concerns. We just knew this was it and our search was over!”
READ MORE
Over 1000 Five Star Reviews
Over 1000 Five Star Reviews
'' I had the best experience in dealing with Avi. He was honest, courteous, and professional and ensured that I was as satisfied as possible. I whole heartedly recommend everyone to Avi. ''
'' I was in the look for a watch for my wife and came across Avi he gave me the best quality and price. Couldn't have asked for a better experience. His knowledge and customer service is second to none ''
'' I had a lovely experience at Ultimate Diamond shopping for an engagement ring. Diana was thorough, patient, and funny. The ring itself is beautiful at a good price. ''
'' I had the best experience in dealing with Avi. He was honest, courteous, and professional and ensured that I was as satisfied as possible. I whole heartedly recommend everyone to Avi. ''
'' I was in the look for a watch for my wife and came across Avi he gave me the best quality and price. Couldn't have asked for a better experience. His knowledge and customer service is second to none ''
'' I had a lovely experience at Ultimate Diamond shopping for an engagement ring. Diana was thorough, patient, and funny. The ring itself is beautiful at a good price. ''
ULTIMATE TRANSPARENCY
You deserve radical transparency every step of the way. We’ll tell you everything the Diamond Industry doesn’t wnat you to know. “Trust Us” is a thing of the past - instead, let us show you how the diamond industry works, and why we’re the most cost efficient.
ULTIMATE TRANSPARENCY
You deserve radical transparency every step of the way. We’ll tell you everything the Diamond Industry doesn’t wnat you to know. “Trust Us” is a thing of the past - instead, let us show you how the diamond industry works, and why we’re the most cost efficient.
DESIGN YOUR OWN
ONE OF A KIND. BY DESIGN.
Jewelry should reflect the person wearing it. Most of our pieces are made-to-order and some are crafted only once. Whether it’s a ring, bracelet, necklace, or earrings, every design is thoughtful and distinctive.
1
START YOUR WAY
Browse our designs or share your ideas. For rings, start with a diamond or a setting. For all jewelry, explore what’s available or let us help you create something unique.
2
WE MAKE IT
Most pieces are made to order and some only once. Each is carefully designed and hand-finished to your preferences.
3
WEAR WHAT’S YOURS
Our jewelry is made with intention, not pulled from a shelf. Each piece is crafted to reflect you.
CONSULTATION
Try rings in-person. See diamonds up close and personal. Meet with our Diamond Specialists at our storefront in New York City's famous Diamond District.
VISIT IN-STORE
CONSULTATION
Connect with our Diamond Specialists from anywhere. We’ll walk you through every detail, answer your questions, and show you our diamonds up close — just like you were in the showroom with us.
BOOK APPOINTMENT
