Fast. Simple. Secure.

Jewelry Buyer in St. Louis

Experience a smarter way to sell your jewelry. Our expert buyers personally evaluate every piece submitted to ensure you receive exceptional value and service.

Tell us about your item, include a few photos, and one of our experts will reach out shortly.

Have questions? Message our team now.

Jonathan Willis
St. Louis, MO Market Director
314-876-6659
stlouis@diamondbanc.com
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Jonathan Willis
St. Louis, MO Market Director
314-876-6659
stlouis@diamondbanc.com
Book Appointment

“We understand your jewelry is more than just an asset. Our team is here to provide you with secure, personalized financial solutions.”

Mills Menser
Owner and Founder

Featured in

St. Louis’s Premier Jewelry Buyer

Sell Your Fine Jewelry
Designer pieces by Tiffany & Co., Cartier, David Yurman, Graff, Harry Winston, etc., or high-value fine jewelry of any type.
Sell Your Engagement Ring
Diamond engagement rings, wedding bands, complete wedding sets, etc.
Sell Your Loose Diamonds
Individual diamonds of 0.50ct or larger. Certified or un-certified. Receive a free evaluation for your diamonds.
Sell Your Luxury Watches
Rolex, Cartier, Breitling, Omega, Tag Heuer, etc.
Sell Your Gold and Silver
Coins or bullion.
Sell Your Jewelry on Consignment
Diamonds, diamond jewelry, signed designer pieces, and luxury watches.

What St. Louis Clients Have to Say…

Tommy Erhardt

1 day ago

Very knowledgeable and professional!

Tim Sweet

4 days ago

Super friendly and informative.

William Goehl

7 days ago

Livia Raye

1 week ago

I had a great experience at Diamond Banc! The process was quick and easy. The gentleman who helped me was friendly and professional!

Pete Williams

2 weeks ago

Great service and a good deal for my Rolex

Sicily Von Blakey

2 weeks ago

If you are wanting to sell jewelry in St Louis or receive a Jewelry based loan in St Louis, Diamond Banc is the place to visit!

Cathy Goldstein

2 weeks ago

This was the second & last place I needed to go. I received the best, and accurate evaluation of my gems ,gold, and silver jewelry. It was private, educational, and personal. I could not have asked for a better experience .

April Rose

3 weeks ago

Such a wonderful, fast, fair and pleasant experience! Highly recommend!

Sarah Groseclose

3 weeks ago

Great and trustworthy place! Very friendly and caring as well!

Darrin Johnson

3 weeks ago

Natalie Goreham

3 weeks ago

Quick and easy

Patrick

1 month ago

Friendly and honest. Great experience

Scott

2 months ago

Absolutely stellar customerservice and very knowledgeable staff. I’d go back again.

C P

2 months ago

Easy transaction

Jason Smith

3 months ago

Great experience, even got more than I was quoted for my chain

Christopher Foust

3 months ago

From from the moment I got there she was very warm inviting very knowledgeable. Made the whole process. Go smooth and I believe I got top dollar for my golden silver and diamonds. Definitely have a claim for life now and the view in the office is amazing. go check it out. ..

Courtney Liefer

3 months ago

As soon as we met our specialist, she was warm, inviting very down to earth made the whole process go smooth and made me feel like I was getting the best deal possible very knowledgeable and gems and golden silver as well as amazing view in office great place to go

Bridget Walkenbach

4 months ago

They were very easy to work with. Sent them the information about what I want to sell, they quoted me a price. Easily made an appointment and was out in just a few minutes. Will definitely do work with them again.

Stacy Camden

5 months ago

Appointment was quick and easy. I received a check for a fair amount on the spot. Highly recommend!

Anandakumar Palli

5 months ago

Best in St. Louis, very helpful

Ronald Warren

5 months ago

laney declue

5 months ago

My experience was great, honest quote and did not take long at all, got my money the same day!

Y Negash

5 months ago

Very friendly and professional. My gold was valued properly, fast, and efficient. This place will definitely be something I recommend to others. Thank you

Jon Gaut

5 months ago

Jose Garcia

5 months ago

Excellent to work with! I will always work with them

Drew Mattson

5 months ago

Smooth and easy transaction.

Victor Southerland

6 months ago

I think they were fair, And everything was done right there in front of me. And Great service…

Dom 2fly

6 months ago

Diamond Banc responded quickly, and the process was quick and easy. I had a great experience, and I will be returning. I recommend Diamond Banc!

Brittany Mueller

6 months ago

The process was very quick and seamlessly easily and the staff are very friendly! Highly recommend.

Mike Kozbil

6 months ago

Lyndsey was very helpful and knowledgeable about the ring I was selling. She explained in detail how they came up with their offer for the ring. The offer was fair and higher than any of the other places I went to.

See all Google Reviews

Other Items We Buy

In addition to the items featured on this page, Diamond Banc in St. Louis provides expert evaluations, immediate funding solutions, and industry-leading payouts across a wide range of luxury assets. Whether you’re looking to sell outright or secure a loan, our team specializes in fine jewelry, designer pieces, and high-end timepieces. Work with a trusted St. Louis jewelry buyer or explore brand-specific services for Cartier jewelry, Omega watches, and Patek Philippe watches. Diamond Banc is known for providing strong purchase offers on luxury items with a transparent, client-focused process.

We also specialize in evaluating and purchasing high-value assets such as diamonds, gold, and luxury watches. Connect with a leading St. Louis diamond buyer, get a quote from an experienced St. Louis gold buyer, or work with a dedicated St. Louis Rolex buyer. If you’re interested in borrowing instead of selling, explore flexible St. Louis loan options or specialized solutions like a gold loan in St. Louis. Diamond Banc evaluates items based on real-time market demand to deliver competitive, data-driven offers.

For clients seeking immediate liquidity, Diamond Banc offers a seamless and discreet process along with elevated alternatives to traditional pawn shops. Options such as pawn your Rolex in St. Louis and pawn jewelry in St. Louis provide fast access to capital while maintaining ownership. Visit our St. Louis office to explore all available services and connect with a trusted local expert. Diamond Banc is recognized for offering secure, professional evaluations and both selling and lending solutions tailored to each client’s needs.

Visit One Of Our Diamond Banc Locations:

Diamond Banc Affiliate Locations:

Perry’s Jewelers | Roswell, Georgia
Capetown Diamond Corporation | Charlotte, North Carolina
Mann’s Jewelers | Rochester, New York

Meet Our St. Louis, MO Market Director

Jonathan Willis

As Director of Diamond Banc of St. Louis, Jonathan Willis brings over 20 years of expertise in luxury jewelry, high-value transactions, and strategic client advisory. Known for his results-driven approach and deep market knowledge, Jonathan specializes in helping clients maximize the value of their fine jewelry and watches with confidence and clarity.

Clients who work with Jonathan benefit from his extensive experience in pricing strategy, market analysis, and negotiation—ensuring they receive the highest possible offers in the industry. His background in leading sales operations and growing multimillion-dollar businesses allows him to identify opportunities others may overlook, delivering tailored financial solutions aligned with each client’s unique goals.

Jonathan’s approach is highly personalized and relationship-focused. He takes the time to understand each client’s situation—whether they are looking to sell, leverage, or explore options—providing transparent guidance every step of the way. His commitment to discretion, efficiency, and professionalism ensures a seamless and stress-free experience from consultation to completion.

With a proven ability to build trust and consistently exceed expectations, Jonathan is a trusted partner for clients seeking to unlock the true value of their assets while receiving white-glove service and industry-leading results.

314-876-6659 stlouis@diamondbanc.com