St. Louis's Premier Diamond Buyer | Sell Diamonds in St. Louis, MO

Fast. Simple. Secure.

St. Louis's Top Rated
Diamond Buyer

Our expert diamond buyers will pay the most for your diamonds.

Your Item

About Your Item

Your Information

Send offer to...


Thank You

Thank You

We have received your submission.

A member from our team will
contact you shortly!

Julio was very informative and made the process very simple. I highly recommend their company
Danyelle M.
Great process and extremely friendly team.
Alisha D.
Kyle Cook, Vice President

Kyle Z. Cook

National Headquarters | Columbia, MO

Contact information & biography expand_more
Jordan Isaacs, Market Director

Jordan Isaacs

National Headquarters | Sarasota, FL

Contact information & biography expand_more

Diamond Buyers of St. Louis, MO

Diamond Banc is the nation’s leading diamond buyer with diamond buying offices throughout the country. It’s convenient and secure for people in St. Louis to sell their diamonds to one of the nation’s highest-paying diamond buyers who are located in Missouri. For those seeking to sell their diamonds in St Louis, we are truly your best option. Our diamond buying and funding process is simple, fast, and secure.

Diamond Banc considers numerous factors when calculating our diamond purchase offers, such as carat weight, diamond shape, color, and clarity grades. All of these factors play a role in determining your diamond’s current liquid market value. Our data-driven evaluation process empowers you to get the most money for your diamond. We deploy market research to determine and outline your diamonds’ worth on the secondary market.

Diamond Banc supplies a nationwide network of jewelry retailers, diamond dealers, and private collectors with the inventory. This major advantage allows us to pay higher prices for diamonds of all types as we have established buyers that prefer different qualities, shapes, and sizes. These proprietary selling channels allow us to provide you with a maximum return when you sell a diamond. Our mission is to explain to you the value of your diamond and offer you the highest payout.

How It Works

  1. Get Your Quote.
  2. Ship or Make The Short Drive To Columbia, MO.
  3. Get Paid.

Diamond Banc’s national headquarters is located close by in Columbia, MO. After you have received our purchase offer, you can complete the transaction by overnight shipping your item to us fully insured via FedEx at no cost to you, or you’re welcome to make the short drive to Columbia to complete the transaction in person. We’re happy to come to you in St. Louis to complete a major diamond and jewelry buying transaction.


We’re eager to buy diamond rings made by the world’s top jewelers such as Graff, Harry Winston, Tiffany & Co., and Cartier from the St. Louis market. Diamond Banc will treat you with kindness, respect, and transparency and will be happy to provide you with a zero cost, zero pressure evaluation. With over 1,000+ company-wide Google reviews, Diamond Banc is your best option when looking for a St. Louis diamond buyer.

We Are Actively Seeking The Following:

  • Diamonds of different shapes and sizes (generally .50ct & larger).
  • GIA certified and non-certified.
  • Currently paying premiums for diamonds 2cts and larger.
  • We pay high premiums for diamonds 5-10ct+.
  • Designer diamonds & engagement rings from coveted brands.

Connect With Us Today

Fill out the quick form above and we will provide you an approximate buy price and then determine the best plan to complete the transaction.

Feel free to connect with one of our Senior Diamond Buyers, Kyle or Jordan, both of who actively serve the St. Louis market from our headquarters in Columbia, MO.


Visit One Of Our Diamond Banc Locations:

Diamond Banc Affiliate Locations:

Kyle Cook, Vice President

Kyle Z. Cook

Vice President

National Headquarters | Columbia, MO


Since the inception of Diamond Banc, Kyle Z. Cook has been an integral team member. Recognized for his diligent management of crucial transactions and daily operations, Kyle demonstrates an exceptional commitment to the organization. However, his role goes beyond merely operational; he places enormous importance on fostering personal relationships with clients. With Kyle, every client can expect to receive not only a high standard of service but also the personal attention and care that sets Diamond Banc apart. His meticulous attention to detail, deep understanding of the jewelry market, and relentless commitment to professionalism guarantee that you receive the highest value for your fine jewelry and timepieces.

Jordan Isaacs, Market Director

Jordan Isaacs

National Director of Funding

National Headquarters | Sarasota, FL

As the National Director of Funding at Diamond Banc’s corporate office, Jordan Isaacs prioritizes providing top-notch client experiences during the assessment of their items for immediate sale or loan services. With excellent communication skills and a talent for prompt and informative follow-up, Jordan’s expertise enables him to offer the highest values, the most competitive rates in the industry, personalized financing options, & exceptional service to each and every client. To start working with Jordan, give us a call or fill out our online submission form.


Get a Quote

In Person or Online

Schedule a private evaluation at your local Diamond Banc or use our online submission form.

Start a Quote

In-Person Evaluation

Complete In Person

Meet privately with a Diamond Banc director who’ll evaluate your items right in front of you & make you an offer.


Get Funded

Fast & Secure

If you accept our offer, we will issue payment immediately via check or wire transfer.

Please wait
while we are uploading...