Miami's Premier Jewelry Buyer

David Fernandez

Market Director

Coral Gables, FL

phone 1-786-605-9593

alternate_email david@diamondbanc.com

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

alternate_email xammany@diamondbanc.com

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.

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.

What Clients Are Saying

Esther Rojas

Excellent service. David very kind and professional

Response from the owner: Thank you, Esther, for your kind words about our service and recognition of David’s professionalism; we appreciate your support!

Luis Molina

David was a pleasure to do business with! Very welcoming and transparent with the process. Payment for the goods sold went flawlessly. Highly recommend you check them out!

Response from the owner: Thank you, Luis! Pleasure to meet you Sir! Thank you so much for the amazing 5 star review. Much appreciated!!

aya maali

Response from the owner: Thank you so much, Aya, for your fantastic 5-star rating! Your support means a lot to us.

Dalia Abu Soud

Response from the owner: Thank you!!

Clare Henggeler

David was so professional and intelligent! He offered me the most money and the process was very easy. I would recommend him to anyone for their jewelry buying and loaning needs.

Response from the owner: Thank you, Clare! We’re glad to hear that David provided you with such a positive experience and made the process easy for you. Your recommendation means a lot to us!

Lensey K Hudson

Always a pleasure to transact with David. He is professional, efficient, and always makes sure you’re getting top dollar. If you’re in the Miami area, Diamond Banc is a no brainer!

Response from the owner: Thank you, Lensey! We’re glad to hear you had a great experience with David and appreciate your recommendation for Diamond Banc in Miami.

Sylvana Gomez

David it top notch! Great experience

Response from the owner: Thank you, Sylvana! We’re so glad you had a great experience and appreciate your kind words about David.

Mia Cossey

David is a true professional! I Highly recommend him for your buying and lending needs!

Response from the owner: Thank you, Mia, for your kind words and recommendation; it’s great to hear that David made such a positive impact on your experience!

Joel Fields

Response from the owner: Thank you, Joel, for your fantastic 5-star rating; we truly appreciate your support!

Mariah Aguilar

Rafael and David were great help when it came to selling my jewelry. Definitely recommend if you’re in the Miami area!

Response from the owner: Thank you, Mariah! We’re so glad Rafael and David could assist you with selling your jewelry, and we appreciate your recommendation for others in the Miami area!

Ramon Gonzalez

Exelent service and professional

Response from the owner: Thank you, Ramon, for your kind words about our excellent service and professionalism; we appreciate your feedback!

Gabriel “Gabe” Prieto

Excellent service. David was very helpful.

Response from the owner: Thank you, Gabriel! We’re glad you had a great experience and that David was able to assist you. Your kind words mean a lot to us!

Danie A

Highly Recommend!! Amazing service

Response from the owner: Thank you, Danie, for your amazing feedback! We’re so glad you enjoyed the service, and we appreciate your recommendation.

Staci Neil

Response from the owner: Thank you, Staci, for your 4-star rating; we appreciate your support and look forward to serving you again!

angela smith

The team in Diamond Banc is amazing. I had my Cartier watch with them and it was returned in mint condition as they kept it. Dealt with Richard when I had to make changes and they were always very professional and accommodating. Richard and David are amazing and your possession is secured.

Response from the owner: Thank you, Angela, for your wonderful feedback! We’re glad to hear that Richard and the team provided you with exceptional service and took great care of your Cartier watch. Your satisfaction means a lot to us!

Valentino Maccarini

Great service

Response from the owner: Thank you, Valentino, for your kind words about our service; we appreciate your support!

Gabriel Rodriguez

Had a watch I wanted to sell, Rafael made sure that happened and at great price. Amazing customer service and would use Diamond Banc’s services again.

Response from the owner: Thank you, Gabriel! We’re glad Rafael helped you sell your watch at a great price and that you had an amazing experience with us; we look forward to serving you again!

Dagnier Morales

Had a fantastic experience. You can tell they’re professionals. Rafael Pastora really put me at ease.

Response from the owner: Thank you, Dagnier, for your kind words! We’re glad to hear you had a fantastic experience and that we made you feel at ease. Your feedback means a lot to us!

Sandra Munoz

El servicio que me brindo Rafael es excelente.Espero regresar y ser nuevamente atendida por Rafael.

Response from the owner: Thank you, Sandra, for your kind words about Rafael’s excellent service; we look forward to welcoming you back soon for another great experience with him!

Arianna Quintana

Response from the owner: Thank you, Arianna, for your 5-star rating; we truly appreciate your support!

Adriana Bermudez

I went to sell a jewelry piece, and Rafael and David were both very helpful and transparent throughout the whole process. I would definitely recommend them!

Response from the owner: Thank you, Adriana, for your kind words and for highlighting Rafael and David’s helpfulness; we’re so glad you had a great experience with us!

Monica Gonzalez

The perfect people to work with when dealing with high end diamond jewelry, gold, and luxury watches. I will definitely be working with David again!

Response from the owner: Thank you, Monica! We’re so glad you had a great experience with us and we look forward to assisting you again, along with David, for your future luxury purchases.

Melissandre Cabral perez

I was very satisfied with my experience, David was very professional, knowledgeable and experienced in the field. Definitely coming back

Response from the owner: Thank you, Melissandre! We’re so glad to hear you had a great experience and that David’s professionalism and expertise made a positive impact. We look forward to welcoming you back!

Luis Camaraza

Muy buena atencion del senor david muy satisfecho con su atendimiento gracias

Response from the owner: Muchas gracias por sus comentarios y las 5 estrellas!!! Es siempre un placer asistirle!! Muchas gracias!

Danny Perez

David Fernández was great explaining everything from the get go.

Response from the owner: Thank you, Danny! We’re glad to hear that David provided such clear explanations from the start. Your feedback is much appreciated!

Dylan Long

Excellent service. David did an excellent job and really helped me.

Response from the owner: Thank you, Dylan! We’re so glad to hear that you received excellent service !!! Pleasure to meet you! Thanks for the amazing review. David!

Yudett Lagos

Profesionalidad al top!!!! Gracias por sus servicios

Response from the owner: Muchas gracias Yudett!!

Diego Asbun

David made an excellent job at explaining how Diamonds and watches are valued. He is a very fair person at giving a fair price. Above all he has EXCELLENT customer service. I highly recommend this

Response from the owner: Diego thank you so much for the amazing 5 star review!!! Much appreciated! It was a real pleasure to meet you and your mother!! Thank you Sir!!

Luciana Gekoff

Great experience. I highly recommend it ! Very fast transaction !

Response from the owner: We’re so glad you had a great experience with us. Thank you for recommending us, and for the amazing review! Have a wonderful day!!

Sandy Ruiz

Great service, very professional, always available.I’ll recommend Diamond Banc.Thank you

Response from the owner: Sandy, thank you for your kind words and recommendation! We appreciate your feedback.

Jaike Romero

Excellent service. Recommended. David is a very clear person and explains all the steps to follow. Definitely an excellent option in case of an emergency.

Response from the owner: Thank you, Jaike! Appreciate your recommendation and the amazing 5 star review! It is a pleasure to assist you!!!

ashleys property investments

I highly recommend Diamond Banc to anyone seeking reliable and professional services secured by valuable assets.

Response from the owner: Thank you, Ashleys, for recommending Diamond Banc! Your trust in our reliable and professional services means a lot to us.

Jorge

Response from the owner: Thank you for the 5 star review!!!

Carl Ghedin

Sold my Rolex here last year and they are the best in town! Thank you so much for the great value and service

Response from the owner: Thank you Carl!!

Jazmin S Toruño

Excelente servicio, rápido y seguro.

Response from the owner: Muchas gracias Jazmin! Un placer asistirle!

Mayra F

David was a total professional, helpful and knowledgeable. Selling our gold was a lucrative and pleasurable experience. Definitely recommended!

Response from the owner: Thank you, Mayra! We appreciate your recommendation and are glad to hear about your positive experience selling your gold!! Pleasure to meet you!

Alex Cardona

It was a pleasure doing business with Diamond Banc. David at Coral Gables office was great. Very pleasant and smooth transaction. Would refer them and do business again!!

Response from the owner: Thank you for choosing Diamond Banc, Alex! We appreciate your kind words and look forward to assisting you again in the future! Have a great week! David

Lauren Setlen

Response from the owner: Lauren, we appreciate your 5-star rating! Thank you!!!

Sean Malloo

David was very pleasant to work with. He knows his stuff.

Response from the owner: Thank you, Sean! It was a pleasure working with you. Have a great week!

David Ferrer

Amazing service was provided as well as top dollar for my gold !!! I Highly recommend diamond banc if you are looking to sell or get a loan for your gold.

Response from the owner: David, we’re so glad you had a great experience with us and thank you for recommending Diamond Banc! Much appreciated!!!

Sasha Gold

David has a spectacular attitude and is definitely an expert in all aspects of the business. I encourage everyone to come see him at Diamond Banc, you won’t be disappointed!

Response from the owner: Thank you for the kind words, Sasha! Great to hear you had a positive experience! We are here to assist you!

Rick Swanton

I had an exceptional experience with Diamond Banc. The entire process was smooth and straightforward, and the team made everything incredibly easy to navigate. Their professionalism and customer-focused approach truly set them apart—highly recommend!

Response from the owner: Rick, we’re delighted to hear about your exceptional experience with us! Thank you for recommending Diamond Banc and for highlighting our professionalism and customer-focused approach. Have a great weekend! David!

Evonne Cruz

I cannot say enough great things about my experience! The team was incredibly professional, demonstrating true expertise in their field. They made every effort to ensure the deals were fair and balanced for everyone involved. Their level of service exceeded my expectations at every turn. If I had more Rolexes to sell, they would undoubtedly be my first choice, every time. Highly recommended!

Response from the owner: Evonne, we are so grateful for your fantastic feedback! We are delighted that you had a wonderful experience with our team and that we exceeded your expectations. Thank you for choosing us and recommending our services! It is a pleasure to assist you!!! David 🙂

Juan Carlos Miranda

Response from the owner: Thank you for the 4-star rating, Juan Carlos!

angela little

Met with David Fernandez, he was extremely knowledgeable and experienced in the field. He taught us a few valuable things about the industry which I will cherish. His customer service was exceptional as he kept us in the loop the entire process I will be using him again in the future! I couldn’t recommend him enough!

Response from the owner: Thank you for sharing your experience Angela! We appreciate your kind words and are delighted to hear about the valuable insights he shared with you. Looking forward to assisting you again in the future! Thank you!!!

Victor Bruzos

Response from the owner: Thank you for the 5-star rating, Victor Bruzos!

LIANNA CARRIGAN

David is the best! I came to him because of all the amazing reviews, and I can totally see why. He’s now my go-to for anything jewelry-related. I’m definitely coming back and will be recommending him to everyone! Thank you David 🙂

Response from the owner: I’m truly grateful for your kind words, Lianna! We’re glad to hear that you had a great experience and look forward to seeing you again soon. Thank you!!!!

Joaquin Inigo

Great service very professional.

Response from the owner: Thank you for your kind words, Joaquin Inigo! We appreciate your feedback.

See all Google Reviews

Not All Miami Jewelry Buyers Are The Same: Select a True Expert

Are you in search of a reputable jewelry buyer to sell your jewelry or fine watches? Look no further than Diamond Banc in Miami, Florida. We understand that selling high-end jewelry can be overwhelming, especially when determining its true value. Our team is committed to providing prompt and courteous service while offering the highest prices for your valuables.

At Diamond Banc, we have a team of true experts in the jewelry industry who utilize a vast network of diamond dealers, fine retail jewelry store partners, online selling platforms, and watch dealers. This ensures that we can accurately identify all the value-adding factors of your items, such as diamond jewelry and Rolex watches. By staying updated with continual training and authentication courses, our staff ensures that you receive the maximum amount when you sell your jewelry in Miami. Trust Diamond Banc for a seamless and rewarding selling experience.

What We Buy

• 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 0.5ct 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 in Miami, Coral Gables, & Aventura

Looking to sell your jewelry in southern Florida? Look no further than Diamond Banc, the top jewelry buyer in Miami. We pride ourselves on providing exceptional service to our clients, offering kindness, promptness, and professionalism every step of the way. When it comes to selling fine jewelry in Miami, clients choose us for our transparent evaluations and zero-pressure approach.

Whether you’re selling a gold necklace or a 5.00-carat diamond ring in Miami, FL, Diamond Banc ensures you receive the highest offers possible. Our Miami office, led by David, our experienced Director with over 15 years in the fine jewelry industry, guarantees accurate evaluations and maximum value for your jewelry.

Our process is straightforward and hassle-free, with immediate funding upon agreement. Begin the process online to uncover the value of your items, then visit one of our Diamond Banc Miami offices in person to complete the transaction. Trust Diamond Banc for a seamless and rewarding experience when selling your jewelry.

Schedule an appointment at one of our Diamond Banc Miami offices

Diamond Banc is Actively Buying The Following in Miami:

Tennis Bracelets: We buy tennis bracelets from two carats and up. We pay a premium for large total carat weights. We buy diamond bracelets of all kinds, including diamond bangles, diamond cuffs, etc.

Earrings: Diamond Banc buys diamond earrings of every style. We are buyers of designer earrings including designers such as David Yurman, Cartier, Henry Dunay, Lagos, John Hardy, Penny Preville, Tiffany & Co., and many more! We buy diamond studs, diamond hoops, diamond drop earrings, diamond dangles earrings, and more.

Diamond Necklaces: We actively purchase diamond necklaces and pendants of all types and styles. Diamond Banc in Miami buys everything from classic pieces such as diamond solitaires to high fashion designer styles to vintage and inherited estate diamond necklaces

Luxury Watches: David has years of high-end watch experience and truly enjoys buying vintage and modern watches. Some of the brands with the best value retention are Rolex, Patek Philippe, Cartier, Omega.  David has had extensive training in evaluation and authenticating fine Swiss timepieces.

Estate Jewelry: Diamond Banc of Miami buys estate jewelry, antique cut diamonds, such as Old European cut and Circular Brilliant cuts. We also purchase estate loose diamonds, antique cut diamonds, etc.

Designer Jewelry: We are the top designer jewelry buyer in Miami and are actively seeking items from designer brands such as Harry Winston, Tiffany & Co., David Yurman, Cartier, and more.

David Fernandez

Market Director

Coral Gables, FL

phone 1-786-605-9593

alternate_email david@diamondbanc.com

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

alternate_email xammany@diamondbanc.com

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.

Our nationwide selling platform allows us to pay industry-leading prices for jewelry of all kinds. Having the right selling avenue for the pieces is the key to ensuring we can pay our clients the most for their items. Whether you are interested in selling one item or an entire estate, we are excited to earn your business. Our buying process is simple, fast, and transparent. You can start the process online to receive an initial offer amount or visit us in person at our Diamond Banc of Miami offices in Coral Gables or Aventura.

Diamond Banc of Miami serves a wide area of the Miami, Coral Gables, & Aventura 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