Miami's Top Rated Diamond Buyer | Sell Your Diamonds in Miami

Fast. Simple. Secure.

Miami's Premier Diamond Buyer

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

David Fernandez, Market Director

David Fernandez

Coral Gables, FL Market Director

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Scott D.
Fair honest timely
Bill S.
Easy transactions great service. I will be back
Toni A.
Very professional and made a private appointment to meet me to sell my jewelry will use in the future. Highly recommend!

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From The Founder

We Buy Loose Diamonds

Best Place To Sell Diamonds in Miami

There are many Diamond Buyers in Miami and lots of jewelers promote buying your diamonds. If your objective is to receive the highest amount for your diamond or engagement ring and you wish to receive a transparent, luxury experience; Diamond Banc of Miami & Coral Gables is a clear choice. Diamond Banc takes every value-adding component into consideration to present you with the highest offer and we issue funds immediately. Our mission is to explain to you the value of your diamond based on current market conditions and provide you with the highest payout. Diamond Banc of Miami not only purchases diamonds and engagement rings but also Rolex watches and fine jewelry of any type.

Types of Diamonds We Buy:

  • Diamond Banc specializes in purchasing a wide range of diamonds, ensuring that we cater to various preferences and needs. Our buying criteria include:
  • All Shapes and Sizes: We buy diamonds of all shapes and sizes, from the most popular round cuts to unique and rare shapes.
  • Diamonds .50ct and Larger: We’re interested in diamonds with a minimum size of 0.50 carats and larger, valuing the diversity of diamonds available.
  • GIA Certified and Non-Certified: Whether your diamonds are GIA certified or not, we are interested in evaluating them for their value.
  • Premiums for Diamonds 2ct and Larger: We currently offer premium prices for diamonds that are 2 carats and larger, recognizing their exceptional quality and desirability.
  • Designer Diamonds and Engagement Rings: We have a keen interest in designer diamonds and engagement rings from renowned brands such as Tiffany, Cartier, Graff, Harry Winston, and more.
  • Rolex Watches and Fine Diamond Jewelry: In addition to diamonds, we are strong buyers of Rolex watches and exquisite diamond jewelry.

Our expertise spans a wide spectrum of diamonds and fine jewelry, ensuring that you receive the highest value for your precious items. Diamond Banc of Miami takes pride in offering tailored solutions and top-notch service to meet your selling needs.

Unlock The Value of Your Diamond: Flexible Financial Option

We provide a variety of financial solutions to fit your circumstances. These options include immediate outright purchase as well as consignment services for those who have the luxury of time to maximize their return. Diamond Banc sells to a national network of private collectors, wholesale dealers, diamond brokers, and jewelry stores. Our proprietary selling channels provide us the ability to pay premium prices for diamonds of all types as we have identified specialty buyers with preferences covering the full range of varying qualities, shapes, and sizes. For clients that have notably exquisite pieces which will yield them $50,000 or more, we offer an exclusive VIP Seller’s Agent Service in which our interests are aligned to yield you the highest selling price. We operate on a transparent fixed percentage commission and market your piece nationwide through a variety of curated platforms.

How Do I Sell My Diamonds in Miami?

Selling your diamonds with Diamond Banc in Miami is a straightforward process designed to provide you with ease and convenience. We offer two primary methods to initiate the selling process:

  • Streamlined Online Form: Begin by filling out our streamlined online form, which allows you to provide essential details about your diamonds. This form helps us understand your diamond’s characteristics and enables us to offer you an initial estimate. Once you submit the form, our team will swiftly review the information and get in touch with you to discuss the next steps.
  • Visit Our Miami Location: For those who prefer a more personal touch, you’re welcome to visit our Miami location. Our dedicated experts are available to meet with you, answer your questions, and evaluate your diamonds in person. This option allows us to provide you with an accurate and detailed assessment, ensuring you receive the best offer for your diamonds.

At Diamond Banc of Miami, our priority is to make selling your diamond as convenient and transparent as possible. Whether you choose to fill out the online form or visit us in person, we’re committed to delivering a luxury experience and assisting you every step of the way.

Unmatched Expertise: Miami’s Premier Diamond Buyer

Our Director of Diamond Banc’s Miami location, David Fernandez, is an experienced buyer whose entire professional career has been spent working in the luxury jewelry industry holding previous positions at Cartier, A. Lange & Sohne and was head of Patek Philippe sales for Tourneau of Miami. In addition to being an accomplished diamond buyer, David is passionate about being customer-driven and is a highly proficient Rolex and luxury watch buyer.

Diamond Banc evaluates your diamond’s carat weight, shape, color, and clarity to precisely determine your diamond’s value. We happily buy certified and non-certified diamonds. Our transparent approach entails showing you comparable diamonds to yours that are currently for sale on the largest global trading platform and then explaining how we apply this information to assess your diamond’s value. We not only pay you for your main center diamond but will also gladly purchase the ring setting and accompanying wedding band if available. Diamond Banc is especially eager to purchase diamonds over 2cts – the bigger the better!

We specialize in acquiring diamond rings from the finest jewelers in the world, such as Harry Winston, Tiffany & Co, Van Cleef & Arpels, Cartier, etc. Diamond Banc of Miami guarantees we will treat you with kindness and respect and are happy to provide you with complimentary information and zero pressure evaluations for your diamond engagement ring – even if you’re unsure if or when you wish to sell your item.

Searching “sell your diamond in Miami”? Schedule with an expert now!

David Fernandez, Market Director

David Fernandez

Market Director

Coral Gables, FL


David is the Director of the Diamond Banc Miami with over 15 years of experience in the Fine Jewelry and Luxury Watches industry. His past work experience includes brands such as Cartier, A. Lange & Sohne, and Patek Philippe. David applies all his knowledge and expertise in securing the best values and lowest rates for his customers, and most importantly, to provide excellent customer service. David is also bilingual and can assist customers in both English and Spanish. Visit David in our Coral Gables Office!

Xammany Vongratsamy, Market Director

Xammany Vongratsamy

Market Director

Aventura, FL

phone 954-323-8475

With a career spanning more than 30 years, Xammany Vongratsamy is one of the most experienced luxury jewelry experts in the Florida area. She has worked for many of the world’s most prestigious brands, including Tiffany & Co., Patek Philippe, Cartier, Chopard, Chanel, Breguet, Harry Winston, Jaeger LeCoultre, and Girard Perregaux.

Xammany is known for her no-nonsense approach to evaluating your jewelry items—she knows exactly what she’s looking for and how to get you the highest possible offer. If you’re looking to sell your jewelry or secure an asset-based loan, Xammany has the expertise and experience to help you make the right decision.


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