Business Details
Trusted Diamond & Jewelry Experts in San Francisco
RTL Fine Jewelry & Wholesale Diamonds is a diamond importer, jewelry designer, and manufacturer dedicated to providing superior quality and unmatched pricing to our customers. Located in the Shreve Building at Union Square in downtown San Francisco, we specialize in GIA and AGS certified ideal cut diamonds, offering direct diamond importing and cutting services that ensure competitive pricing. With over two decades of experience, our team leverages global contacts to deliver one-of-a-kind pieces and essential jewelry items like diamond stud earrings, tennis bracelets, and engagement rings. We prioritize fulfilling individual customer needs through custom design and manufacturing services, guaranteeing that every diamond purchased retains its full value. Our expertise extends to buying, modifying, or trading estate jewelry, providing clients with flexible options to upgrade or modernize their collections.By contracting our own jewelry manufacturers, we offer access to major designers while maintaining cost efficiency. Our commitment to quality and service is reflected in our ability to pay top prices for estate or unused jewelry, ensuring a seamless experience for both new and returning clients. Available from 10 AM to 7 PM PST, we provide personalized assistance to help customers navigate their diamond and fine jewelry needs. Our reputation for excellence is built on decades of industry experience, a global network of contacts, and a focus on transparency and customer satisfaction. Whether sourcing rare gems or crafting bespoke designs, RTL Fine Jewelry & Wholesale Diamonds remains a trusted partner for retailers, wholesalers, and individual clients seeking premium jewelry solutions.
Services
Diamond Import
Jewelry Design
Custom Manufacturing
Estate Jewelry Buying
Diamond Certification
Highlights and features
- We offer over 20 years of experience in diamond importing and jewelry manufacturing.
- Our GIA and AGS certified diamonds guarantee quality and lasting value.
- We provide custom design services tailored to individual client needs.
- We pay top prices for estate and unused jewelry with transparent trade options.
- Our global contacts ensure competitive pricing on both unique and essential jewelry pieces.
Associations and certifications
- Gemological Institute of America
- American Gemological Society
Services
Diamond Import
RTL Fine Jewelry & Wholesale Diamonds imports high-quality GIA and AGS certified diamonds directly from global sources, ensuring competitive pricing and exceptional value. Our established distribution channels eliminate middlemen, allowing clients to access rare gems at manufacturer/dealer prices. With decades of industry experience, we guarantee the authenticity and lasting value of every diamond we source.
Jewelry Design
Our custom jewelry design service transforms client visions into unique, handcrafted pieces. Leveraging in-house manufacturing capabilities, we create bespoke engagement rings, wedding bands, and other fine jewelry items tailored to individual preferences. Clients benefit from direct collaboration with our designers for personalized, one-of-a-kind creations.
Estate Jewelry Buying
RTL specializes in purchasing estate and unused jewelry, offering fair market value for pieces that can be modernized or traded toward new acquisitions. Our experts evaluate items based on material quality, craftsmanship, and market demand, providing clients with transparent options to upgrade their collections or liquidate assets.
Custom Manufacturing
We manufacture premium jewelry pieces using ethically sourced materials and advanced techniques. From classic designs like tennis bracelets to intricate custom creations, our in-house production ensures precision and quality control. Clients receive durable, timeless pieces crafted to meet exact specifications and industry standards.
Diamond Certification
RTL provides diamonds certified by the Gemological Institute of America (GIA) and American Gemological Society (AGS), ensuring adherence to strict grading standards. Our certified diamonds feature triple excellent cut grades, guaranteeing optimal brilliance and investment value. Clients receive documentation verifying each stone's quality and authenticity.
Questions
What types of diamonds does RTL Diamond Wholesale offer?
We specialize in GIA and AGS certified ideal cut diamonds, including triple excellent cut grades, ensuring superior quality and lasting value.
Can I get custom jewelry designed at RTL?
Yes, we offer full custom design services for bespoke engagement rings, wedding bands, and other fine jewelry pieces tailored to your specifications.
Does RTL buy estate jewelry?
Yes, we purchase estate and unused jewelry, offering competitive prices and trade-in options to upgrade or modernize your collection.
How does RTL ensure competitive pricing?
By importing diamonds directly and manufacturing in-house, we eliminate middlemen, passing cost savings to clients without compromising quality.
What are RTL's business hours?
We operate by appointment from 10 AM to 7 PM PST, providing personalized assistance for all jewelry needs.
Where is RTL Diamond Wholesale located?
Our showroom is located at 210 Post Street in the Shreve Building, Union Square, San Francisco, CA 94108.
Reviews (6)
Jackson Wang
Sep 30, 2019
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Rich was recommended to me by a friend, and I can see why he gets so much business from referrals. I worked with Rich to design and buy an engagement ring + diamond. Rich was super responsive and knowledgable throughout the process - it didn't feel like a sales transaction at all. My partner and I are extremely happy with the end product! Would highly recommend RTL!
Jake Bernstein
Sep 23, 2019
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Couldn't recommend Rich more. He went above and beyond every expectation I had every step of the process. From general education on what I should be looking for, to helping pick out, to the final steps. Anyone looking to get the most value for the best price should contact Rich. He took the time to get to know me, what I wanted, what I thought "she" wanted, and ensured I was thrilled with the product. And I was! But more so, my fiancee hasn't been able to stop smiling. Thank you Rich!
Kevin Shepherd
Jun 21, 2018
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Couldn't ask for a better experience with buying a ring. Rich is incredible at this, and choosing him was the best decision I could have made for buying an engagement ring. He's honest and straightforward in an industry where everything can be so easily muddied by marketing; with him the whole process is transparent. I went in knowing absolutely nothing about diamonds or rings, and he caught me up on all the different variables of ring-buying step by step.
There were no pressured sales tactics -- I just set a budget and he helped me optimize to it. The whole process took two weeks, but could have gone faster if I had needed to. My now-fiancee couldn't be happier with the ring. Especially if you're new to this, give Rich a shot!
There were no pressured sales tactics -- I just set a budget and he helped me optimize to it. The whole process took two weeks, but could have gone faster if I had needed to. My now-fiancee couldn't be happier with the ring. Especially if you're new to this, give Rich a shot!
Gia Granucci
May 03, 2018
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I highly recommend Rich for any custom jewelry pieces. He has access to both remarkable stones and has the creative resource team to help design and build your custom piece. I have created 3 stunning rings with him. You will not find a better source for fine jewelry with fair pricing.
Justin Beardsley
Oct 27, 2017
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Rich was great to deal with, really got the best product for the price. It was really nice to be able to have something that was customized completely.
Rob N.
May 08, 2017
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I don't generally don't write reviews, but since I found Diamonds SF on Yelp and was so happy with my experience there, I felt compelled. I visited many places and saw dozens of diamonds before I made an appointment to see Rich. I'm glad I did, because it allowed me to immediately realize that I was finally in the right place. I was shown exactly the stones I was looking for, they were clearly of the highest quality available, and best of all they were at better prices than I had encountered elsewhere.
Rich was extremely knowledgeable, and was able to help me narrow my choices without ever trying to upsell me. Once we had decided on a diamond, he worked with me to custom design the perfect ring, inspired by Tiffany & Co, but uniquely my own. Thank you for your help and experience, and to anyone considering buying a diamond or some other piece of jewelry, make sure to check with these guys before you do anything. Wonderful, wonderful experience!
Rich was extremely knowledgeable, and was able to help me narrow my choices without ever trying to upsell me. Once we had decided on a diamond, he worked with me to custom design the perfect ring, inspired by Tiffany & Co, but uniquely my own. Thank you for your help and experience, and to anyone considering buying a diamond or some other piece of jewelry, make sure to check with these guys before you do anything. Wonderful, wonderful experience!
