Sell Diamonds in Miami | Best Place To Sell Diamonds - Diamond Banc

Fast. Simple. Secure.

Premier Diamond Buyer in Miami

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

David Fernandez

Coral Gables, FL Market Director

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Miguel M.
I was pleasantly surprised by how fast and honest the process was, in less than 30 minutes item was inspected, a deal was signed, and money was in the bank account in less than 2 hours. I don't think it can get better than this. Thanks David for making this super easy.
Andrea G.
David was friendly, professional and knowledgeable. He helped me to get a fair deal for my jewelry. The whole process was fast and I received the money in a couple of hours.
Zack A.
Best service! They give great value, always a pleasure

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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

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.

“I came here to sell my wedding band and engagement ring. David was super friendly & got me in for an appointment right away. He was thorough in his explanation of the quote and made the process smooth & easy for me. I had been looking around for a while at multiple other buyers (chain stores/private buyers) — by far Diamond Banc gave me the best price for my jewelry. I highly recommend them to anyone looking to sell their jewelry!”

-Emily F.

Get a Quote

In Person or Online

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

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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.


How does it work?

There are two ways you can sell your diamond to Diamond Banc:

  1. Fill out our online submission form above & receive a quote within 24 hours from one of our expert diamond buyers. Our team will provide you with a fully-insured shipping label to mail your diamond to our headquarters. From the moment your diamond arrives at our headquarters, it remains on continuous video surveillance until the package is opened and your items are verified. If you accept our offer, payment will be issued immediately via wire transfer. If you elect not to accept our offer, your diamond is expedited back to you with a fully-insured shipping label.
  2. Visit a Diamond Banc office near you. If you are looking to receive an immediate offer & same-day funding, we encourage you to visit one of our offices nationwide. Schedule an appointment at a Diamond Banc location near you, have your jewelry evaluated on the spot, and get paid immediately. Typically, this process takes less than 40 minutes.

Find a Diamond Banc location near you.

Is my diamond secure while in transit?

Yes. Your items are fully insured for their full replacement value while in transit and while in our possession. We provide you with a fully insured shipping label to send your diamond to our headquarters. Our shipping and logistics team tracks your package every step of the way. From the moment your diamond arrives at our headquarters, it remains on continuous video surveillance until the package is opened and your items are verified.

Do you purchase diamonds without a certification?

Yes. We purchase natural diamonds with and without a diamond certification.

Why should I sell my diamond to Diamond Banc?

Clients love working with Diamond Banc based on the transparency and guidance that we deliver.

We show you wholesale comparable diamonds to yours, what dealers are asking for them, and what dealers are selling them for and we show you this on the largest dealer-to-dealer trading platform in the world. We explain why we’re making the offer that we’re making, and allow you to understand that you’re truly getting the most they can for your diamond.

Our ultimate goal is to ensure you feel confident in your decision to sell your diamond by providing you with the transparent diamond education you deserve.

How do I get paid?

Once you accept our purchase offer, we issue payment via check or wire transfer immediately.

From The Founder

What Clients Are Saying…

Miguel MontesinoMiguel Montesino ★★★★★ I was pleasantly surprised by how fast and honest the process was, in less than 30 minutes item was inspected, a deal was signed, and money was in the bank account in less than 2 hours. I don’t think it can get better than this. Thanks David for making this super easy.Response from the ownerDear Miguel! Thank you so much for the great 5-star review!!! I really appreciate it! Maria AvellanedaMaria Avellaneda ★★★★★ Response from the ownerThank you Maria! Andrea GoldmanAndrea Goldman ★★★★★ David was friendly, professional and knowledgeable. He helped me to get a fair deal for my jewelry. The whole process was fast and I received the money in a couple of hours.Response from the ownerDear Andrea! Thank you for sharing this amazing 5 star review! I really appreciate it! Thank you!!! Zack AkersZack Akers ★★★★★ Best service! They give great value, always a pleasureResponse from the ownerThanks Zack! It is always a pleasure to assist you Sir! Thank you for the amazing 5 star review!!!! Rose Bauer RiveroRose Bauer Rivero ★★★★★ Professional and great prices.Response from the ownerThank you so much Rose!!! Much appreciated! Thanks!! Alisa NebolsinaAlisa Nebolsina ★★★★★ I had such a great experince. David is professional and trustworthy. Thank you!Response from the ownerDear Alisa! Thank you so much for the 5 star review! It is a pleasure to assist you! Thank you!!! Israel BlancoIsrael Blanco ★★★★★ My experience was excellent. Elija was very friendly and professional. I would definitely do business with them again.Response from the ownerThank you so much Israel! It is a pleasure to assist you! Best David! Thanks! Javy JimenezJavy Jimenez ★★★★★ Response from the ownerThank you so much!!! Gio RaitzGio Raitz ★★★★★ Response from the ownerThank you Gio! Much appreciated! It is a pleasure to assist you! Carl GhedinCarl Ghedin ★★★★★ Response from the ownerThank you Carl!! Group TenGroup Ten ★★★★★ Very honest operation, straight forward and.hassle free. David was a pleasure to deal with and he pays top dollar.Response from the ownerThank you so much for the 5 star review! I appreciate it!! Jorge EnriqueJorge Enrique ★★★★★ David was very professional throughout the whole process in the sale of my Rolex watch. I highly recommend him and Diamondbanc. Thank you!Response from the ownerThank you Jorge! A real pleasure to assist you Sir! Thank you for the amazing 5 star review! Hanoi MachadoHanoi Machado ★★★★★ Response from the ownerMuchas gracias Hanoi!! Yolgies CardosoYolgies Cardoso ★★★★★ David was very professional, excellence service. I really recommend Diamond Banc for all your jewelry needs.Response from the ownerThank you so much for taking the time to leave me such a great 5 star review! I appreciate it. Nice meeting you! Thanks Sir! Al LopezAl Lopez ★★★★★ Great service, professional and transparent business . thank youResponse from the ownerThank you so much!! A real pleasure to assist you!! Olga OlgaOlga Olga ★★★★★ Estoy muy satisfecha con toda la amabilidad y atenciones recibidas de parte de David, es una persona que te da información, servicio, y ayuda, en todo lo que quieras saber acerca de joyas,tiene muchos conocimientos, para miDavid es lo máximo, Bendiciones para ti.Response from the ownerMuchas gracias Olga! Fue un verdadero placer asistirle! Muy agradecido con sus comentarios! Feliz fin de semana! Muchas gracias!! carlospena747carlospena747 ★★★★★ Great Service with David at Diamond Banc. Just the right price. Fast payment. Overall 5 Stars.Response from the ownerThank you so much for the great 5 star review!! I really appreciate it! Olga TOlga T ★★★★★ Had a great experience with Diamond Banc and David in particular. Sold few jewelry pieces and watch. Everything was fast and super professional.Response from the ownerDear Olga! Thank you so much for this amazing 5 star review! It was a real pleasure to assist you! Thank you! Gonzalo LeonGonzalo Leon ★★★★★ David is the best!Response from the ownerThank you Sir!! Saludos!! Carlos RuizCarlos Ruiz ★★★★★ Response from the ownerThank you, Carlitos!! Much appreciated it! Zoe DominguezZoe Dominguez ★★★★★ Response from the ownerMuchas Gracias Zoe!! Luis LopezLuis Lopez ★★★★★ Response from the ownerMuchas gracias Luis! Es siempre un verdadero placer asistirle!! Jose “JAM” MorenoJose “JAM” Moreno ★★★★★ Thank you for your hard work and dedication. I always appreciate your help. You went above and beyond and always your work is invaluable.Response from the ownerThank you Jose! I really appreciate it! Thank you for the amazing 5 star review!!! Adis PerezAdis Perez ★★★★★ Excellent service .Response from the ownerThank you Adis!!!! Lilly Rico OlanielLilly Rico Olaniel ★★★★★ Great experience! Highly recommend 👍👍Response from the ownerThank you so much Lilly!! I really appreciate it! Thank you for sharing your comments!! Miguel JuliánMiguel Julián ★★★★★ Response from the ownerGracias Migue!!! Victor AlhamaVictor Alhama ★★★★★ Una atención buena y muy satisfecho con el producto 100% recomendableResponse from the ownerMuchas gracias Victor!!! Orlando SalasOrlando Salas ★★★★★ excellentResponse from the ownerThank you Orlando! I appreciate it Sir! Maura MMaura M ★★★★★ Honestly, David is amazing. I had a great experience and will definitely be back. Thank you!Response from the ownerThank you Maura!!!!! Daniel Josué Zambrana CalderónDaniel Josué Zambrana Calderón ★★★★★ Muy chuchiResponse from the ownerThank you!!! Viktor ArfanovViktor Arfanov ★★★★★ I had a great experience!!! David is a very professional man. I would highly recommend him to everyone!!!Response from the ownerThank you for the amazing 5 star review!! Thank you!!! Irene DeVaronaIrene DeVarona ★★★★★ Beautiful office, very nice, fair price, overall great experience!Response from the ownerThank you! It is a pleasure to assist you! Andre AzevedoAndre Azevedo ★★★★★ David it’s great! Thanks for everything!Response from the ownerMy pleasure! Thank you for leaving me such a great 5 star review!! Thank you!! Yudett LagosYudett Lagos ★★★★★ Profesionalidad al top!!!! Gracias por sus serviciosResponse from the ownerMuchas gracias Yudett!! Alejandro Solares, P.A.Alejandro Solares, P.A. ★★★★★ David is the ultimate professional. Very knowledgeable and offers excellent service. Highly recommend him. First class all the way!Response from the ownerThank you so much for the amazing 5 star review! I appreciate it!! Thanks Ale!! danise pontondanise ponton ★★★★★ Very professional, responsive, and willing to work with me to evaluate my piece. Absolutely recommendResponse from the ownerThank you Denise! It is my pleasure to assist you! Thanks for leaving me a 5 star review! I appreciate it! wilman FLORESwilman FLORES ★★★★★ Una súper atención, te recomiendan lo mejor y salí muy satisfechoResponse from the ownerMuchas gracias Wilman! Aqui para asistirle! Muchas gracias!!! Nati KochNati Koch ★★★★★ Response from the ownerThank you!!!! Mayrelys IglesiasMayrelys Iglesias ★★★★★ Had a great experience!Friendly staff very professionalWould recommend 100%Response from the ownerThank you so much!!! yessy pineiroyessy pineiro ★★★★★ Muy profesionales. Excelente servicio. RecomendadoResponse from the ownerMuchas gracias!! Yuly AriasYuly Arias ★★★★★ David Fernandez is the best high quality diamond specialist . Best customer service experienced ever. I am very satisficed with his knowledge and professionalism. Thank you David!! You are the best.Response from the ownerThank you so much for the 5 star review!! I really appreciate it! Lucy LoganLucy Logan ★★★★★ Response from the ownerThank you!! Luis Eduardo GutierrezLuis Eduardo Gutierrez ★★★★★ EXCELENTE SERVICIOResponse from the ownerMuchas gracias Luis!!! Yeitter UrdanetaYeitter Urdaneta ★★★★★ Muy profesional.Response from the ownerMuchas gracias!!!! mauro martinezmauro martinez ★★★★★ David was amazing, great customer service.Response from the ownerThank you Mauro! I appreciate it Sir! Olga CuestaOlga Cuesta ★★★★★ David has made the transaction I needed with an incredible professionalism and unbeatable personal treatment !Highly recommended!!!!!!!!Response from the ownerThank you for your kind words!!! and for leaving me such a fantastic 5 star review! I appreciate it!! Lowkye LegendLowkye Legend ★★★★★ Professional!!Response from the ownerThank you so much!! Best, David Pety RashkPety Rashk ★★★★★ David it’s very kind, professional and helpful!!! Thank you very much!!!Response from the ownerIt is a pleasure to assist you! Thank you for choosing Diamond Banc! anna maria rogatoanna maria rogato ★★★★★ Fui atendida muy bien. Hicieron todo lo posible para ayudarme y lo lograron. Los recomiendo. Son muy profesionales .Response from the ownerMuchas gracias por sus comentarios Anna! Es un verdadero placer asistirle! js_loader
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Diamond Buyers of Miami, Coral Gables, & Aventura

Selling a diamond in Miami can seem like a simple task, but choosing the right diamond buyer in South Florida can make a huge difference in how much you get for it. Research resources, explore different factors about the company you’re considering, and make sure to follow through with your choice. Select the right diamond buyer to sell your diamond to by making sure they provide you with the market research, expertise, and payout your diamond deserves.

Diamond Banc was created by jewelers looking to simplify the process for clients when they decide to sell their diamond pieces. We buy loose diamonds, diamond engagement rings, diamond fashion jewelry and more. Diamond Banc in Miami funds transactions within 24 hours. Our diamond buying process is secure, simple, and fast. Whether you’re looking to sell a half-carat or a 10-carat diamond, Diamond Banc is here for you to sell your diamond nationwide and in Aventura & Coral Gables.

The Best Diamond Buyers in Aventura & Coral Gables

If you have diamond jewelry and are looking for immediate funding, sell your items to Diamond Banc, Miami’s best diamond buyers. We have assisted thousands of clients in the Miami area, ensuring they received the highest amount for their diamonds. Regardless of when or where you bought your diamond, visit Diamond Banc of Miami and receive the best price when selling your diamond. There are many buyers of diamonds in Florida and the Miami area. There are also countless jewelry stores that are promoting that they will buy your diamond in Miami. If your main objective is to receive the highest amount for your diamond in Miami, you wish to receive a transparent, luxury experience; Diamond Banc of Miami & Coral Gables is the best choice for you. Diamond Banc takes every value-adding component into consideration to present you with the highest offer and importantly, we issue funds immediately. This is what makes us one of the best Miami diamond buyers.

Our mission is to explain the value of your diamond based on the current market conditions and provide you with the highest payout whenever we buy loose diamonds in Miami. Diamond Banc of Miami not only purchases engagement rings but also Rolex watches, fine jewelry, designer diamond jewelry and more. This is why Diamond Banc is known as the best diamond buyer in Florida and particularly Miami.

As Miami’s best diamond buyers, we provide a menu of liquidity options to fit your personal circumstances when selling your diamonds in the Miami area. These options include immediate purchase, jewelry pawn loan and effective consignment services for those who have the luxury of time to maximize their return. All of these customizable services are available whenever you sell your diamond to Diamond Banc of Miami. Diamond Banc has the unique advantage over other diamond buyers of having a national network of private collectors, wholesale dealers, diamond brokers and jewelry stores to utilize to ensure maximum payout to you. Our proprietary selling channels provide us the ability to pay premium prices for diamonds of all types. We have identified specialty buyers with preferences covering the full range of various qualities, shapes and sizes. For clients that have notably exquisite pieces which will yield $50,000 or more, we offer an exclusive VIP Seller’s Agent Service in which our interests are aligned to deliver the highest selling price for your diamond piece. We operate on a transparent fixed percentage commission and market your piece nationwide through a variety of curated platforms.

Coral Gables Premier Diamond Buyer

Our Director of Diamond Banc’s Coral Gables location, David Fernandez, is an experienced buyer of diamonds in Miami. David’s entire professional career has been spent working in the 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 one of the most accomplished diamond buyers in Miami FL, David is passionate about being customer-driven, ensuring his clients’ are given the white-glove service they deserve, and is a highly proficient Rolex and luxury watch buyer.

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Aventura’s Best Diamond Buyer

Our Director of Diamond Banc’s Aventura Branch, Xammany Vongratsamy, is a professional diamond buyer who has worked with many of the world’s most noteworthy brands, including Tiffany & Co., Patek Philippe, Cartier, Chopard, Chanel, Harry Winston, and Girard Perregaux. She has extensive experience in the luxury goods and fine jewelry industry and will give you peace of mind that you are working with an expert diamond buyer in Miami. She knows how to identify every value-adding factor of your diamond which means you receive a higher payout when selling your diamond in Aventura.

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Diamond Banc evaluates your loose diamonds’ carat weight, shape, color, clarity, and other value adding factors, to precisely determine the accurate value. We happily buy certified and non-certified diamonds. Our transparent approach includes sharing with you comparable diamonds to yours, that are currently for sale on the largest global trading platform. Our diamond buyer will explain each step and how we utilize this real-time market information to determine your diamond’s value and our immediate purchase amount. This is what makes Diamond Banc in Miami the premier diamond buyer in the area.

When you make the decision of who to entrust with selling your loose diamonds to in Miami, we pay you the most for your center diamond and also add value for the diamond ring setting and wedding band, if available. Diamond Banc is especially eager to purchase loose diamonds in Miami over 2.00 carats, no diamond is too large!

Unlock Immediate Funding: Pawn Loose Diamonds in Miami

Experience the ease and value of pawning your loose diamonds with Diamond Banc in Miami. With locations in Coral Gables and Aventura, we offer a streamlined process that ensures you receive top market value for your diamonds.

Explore Pawning Loose Diamonds in Miami: 

  • Secure Transactions: Trust is our priority. Our seasoned appraisers carefully evaluate your loose diamonds’ quality and market value to provide a fair offer.
  • Transparent Valuation: Transparency is at the core of our pawn process. We meticulously assess your loose diamonds based on carat weight, cut, color, and clarity, ensuring you get the best possible value.
  • Immediate Payouts: Need quick funds? Pawning loose diamonds with us means prompt payment. Our Miami locations prioritize swift access to cash.
  • Safe Storage: Your valuable loose diamonds remain secure throughout the pawn period, preserving their integrity until you’re ready to retrieve them.

Getting funding for your loose diamonds in Miami is both convenient and rewarding. Benefit from our competitive offers and immediate payouts, backed by a team that recognizes the worth of your assets.

When seeking to pawn loose diamonds in Miami, Diamond Banc stands as your dependable choice. Visit our Coral Gables or Aventura locations today to uncover your loose diamonds’ hidden potential and transform them into immediate funds.

Why Sell Your Diamond to Diamond Banc?

  • PROMPT + POLITE: Customers and their needs are the primary focus of our work. We know that speed and ease of the transaction are paramount to our customers. We are also aware that parting with a jewelry piece can be an emotional process. We treat all clients in a kind and professional manner.
  • MAXIMUM PURCHASE PRICE: Diamond Banc is owned by several of the largest independently owned jewelry retailers in the USA  whose approximate revenue exceeds $50 million annually. This allows us to pay industry-leading amounts for your diamonds as we sell many items back to the end consumer.
  • EASY PROCESS: Diamond Banc’s communication and speed of follow-up are unmatched in the jewelry buying industry. We issue payment immediately and operate in an organized and prompt fashion. Your time is important to us.
  • SAFETY & VALUES: We maintain an A+ rating with the BBB  and truly operate from a set of company values that are client-driven. Diamond Banc follows rigorous tracking and video recording procedures. We treat your valuables as if they were our own.

We specialize in buying diamond pieces from the finest jewelers in the world, such as: Harry Winston, Tiffany & Co., Van Cleef & Arpels, Cartier and many more. Diamond Banc of Miami guarantees we will treat you with kindness and respect and are happy to provide you with the information, options and zero-pressure evaluations for your diamond jewelry pieces to make the best decision for your personal situation.

Diamond Banc of Miami serves a wide area of the Miami metro including but not limited to:

Coral Gables Downtown, Coral Gables – Merrick Park Mall, Coral Gables Miracle Mile Plaza, Coconut Groove Shopping Area, Coconut Marina, Coconut Shopping Mall, Miami Dadeland Mall area, Miami Dolphin Mall area, Miami Bal Harbour Shop, Miami Design District Mall, Miami Tropical Park, Miami Brickell City Center, Miami Calle Ocho, Miami Town and Country Mall, South Beach – Ocean Drive, Miami Beach Soho House, Miami Beach Shopping Area Lincoln Road, Miami Beach South Point Park

Diamond Banc, Miami’s best diamond buyer, buys diamonds and other fine jewelry items. We offer immediate payments via check and wire transfer to ensure you get the funding you need as soon as possible. Browse through our reviews on Google to see what others are saying about us, or contact the office closest to you to speak with one of our expert diamond buyers in Coral Gables and Aventura.

Schedule an appointment at one of our Diamond Banc Miami offices:


Find a Diamond Banc location near you:

Tampa, FL | Boca Raton, FL | Miami, FL – Coral Gables | Miami, FL – Aventura | Orlando, FL | Nashville, TN | Atlanta, GA | Kansas City, MO | Columbia, MO | Dallas, TX

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