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
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.
What Clients Are Saying…
Always amazing experience! I am returning client and I love how Xamanny support us with care!
Response from the owner: Thank you, MYVY, for your wonderful feedback! We’re so glad you consistently have an amazing experience with us.
Excellent and friendly service. The level of knowledge and experience is evident in Xamnany. She assured the process to go smoothly.
Response from the owner: Thank you, Diana, for your kind words! We’re glad to hear that Xamnany’s expertise made your experience smooth and enjoyable.
Response from the owner: Thank you, Jermel, for the fantastic 5-star rating; we truly appreciate your support!
Fenomenal experience, beyond any expectations.
Response from the owner: Albert, we’re delighted to hear that you had a phenomenal experience with us! Thank you for sharing your feedback.
What a gem of a company!! I had a broken gold chain to sell and called Diamond Banc from a google search. How lucky was I! Not only did Xammany feel like an old friend, my transaction was quick, easy and the best price around!! I was able to scan and depot my check while sitting in her office. thank you Xammany and Diamond Banc!
Response from the owner: Thank you, Susan! We’re so glad you had a great experience with Xammany and found our process easy and efficient. Your kind words mean a lot to us!
Response from the owner: Thank you, Rosa, for your fantastic 5-star rating; your support means a lot to us!
Great experience very professional and good pays
Response from the owner: Thank you, Tatiana, for your kind words about your experience; we appreciate your recognition of our professionalism and are glad you found the pay satisfactory.
It was great to work with her I definitely recommend it!!
Response from the owner: Thank you, Caitel! We’re so glad to hear you had a great experience and appreciate your recommendation.
Xammany was a pleasure to work with. She helped me get the best offer for my engagement ring. The process was easy, quick, and convenient. I felt confident in her professionalism. Will certainly work with Xammany at Diamond Banc again in the future and I recommend her business.
Response from the owner: Thank you, M, for your kind words! We’re glad to hear that Xammany made your experience easy and enjoyable, and we appreciate your recommendation. Looking forward to working with you again!
I recently used this company for the first time, and I was genuinely impressed! The entire process was effortless and quick, making my experience truly enjoyable. I wholeheartedly recommend them to anyone looking for top-notch service. They are amazing!
Response from the owner: Thank you, Jackie! We’re so glad to hear you had an enjoyable experience and appreciate your recommendation. Your support means a lot to us!
Super professional and discreet. Really easy and safe. I highly recommend coming here.
Response from the owner: Thank you, Johnny! We truly appreciate your kind words and recommendation, and we’re glad you felt safe and comfortable with us.
Absolutely fabulous!!!
Response from the owner: Thank you so much Kevin!
Great service, fast transaction!!!!
Response from the owner: Thank you, Madelyn! We’re glad you enjoyed the great service and fast transaction. Your feedback means a lot to us!
Super clean, transparent and fast 10/10
Response from the owner: Thank you, Pedro! We’re glad you appreciated the cleanliness and speed of our service—your feedback means a lot to us.
Wonderful place excellent service.
Response from the owner: Thank you, shavondra, for your kind words about our wonderful place and excellent service; we truly appreciate your support!
Very nice staff and very knowledgeable when it comes to jewelry. Diamond Banc makes selling old jewelry a breeze😁. Would definitely recommend 10/10
Response from the owner: Thank you, Teairra! We appreciate your kind words about our staff and are glad to hear that selling your jewelry was such a positive experience. Your recommendation means a lot to us!
Great experience! It was an Amazing experience dealing with Xammany because of the professionalism and smooth transaction.I highly recommend selling for buying from here because of the honesty and top dollar they gave me Thank you
Response from the owner: Thank you, miguel, for your kind words and recommendation; we’re glad you had a smooth and professional experience with Xammany!
Xammany is great. Very informative and helpful.
Response from the owner: Thank you, Ines, for your kind words! We’re glad you found Xammany informative and helpful.
Xammany is always helpful. Great customer service 😊.
Response from the owner: Thank you for your 5-star review!
This is my second time Going to Diamond Banc, and I must say the BEST. Xammany is very professional, and full of energy. She explains everything step by step before processing, so you’re not misled about anything. I will highly recommend Diamond Banc
Response from the owner: Thank you, ariel, for your wonderful feedback! We’re glad to hear that your experience with Xammany was so positive and that she made everything clear for you. We appreciate your recommendation and look forward to serving you again!
Response from the owner: Thanks for your feedback.
If you have real jewelry to sell Diamond Banc is a great option….So knowledgeable super easy to work with and paid great money right on the spot
Response from the owner: Thank you so much Lizz.
Very good services and very efficient, top professionalism from Xammanny. I do recommend and I will do business again with.
Response from the owner: I was a pleasure to meet you and assisted you today.
Awesome service when you need money fast! Very professional and responsive!
Response from the owner: Thank you, Morgan, for your kind words! We’re glad to hear you found our service professional and responsive. Your satisfaction means a lot to us!
Diamond Banc was my first and final choice to sell my gold coin. Professional, fast and spot on with fair offer. Special shout out to the delightful Xammany Vongratsamy thank you for taking care of us! Happy Holidays
Response from the owner: Thank you, christy, for your wonderful feedback and for choosing Diamond Banc; we’re glad Xammany provided you with great service—happy holidays to you too!
Response from the owner: Thank you, Alexandra, for the fantastic 5-star rating; we truly appreciate your support and are glad to have you as part of our community!
My wife’s experience with DB was a pleasure. Xammany was great. She was able to sell her watch for 25% more than another jeweler was willing to pay. That watch meant a lot to her. These guys don’t try to lowball you. That’s for sure. Thanks again.
Response from the owner: Thank you, Lyn, for sharing your wife’s wonderful experience with us and highlighting Xammany’s great service; we’re glad she got a fair price for her watch, and we appreciate your kind words!
What an amazing experience. Very personable extremely knowledgeable helps you understand the business. Thank you
Response from the owner: Matthew, thank you for your kind words! I’m glad to hear you had an amazing experience and found our service helpful and informative. Your feedback is truly appreciated!
Great service!
Response from the owner: Thank you so much, francine! Your kind words mean a lot to us.
I really liked the experience and great customer service they provide
Response from the owner: Rosemary, thank you for your kind words! We’re glad you enjoyed the experience and our customer service.
Pleasant experience all around at the Diamond Banc! Their professional and knowledgeable director Xammany is very attentive, and creates a comfortable environment in their conveniently located office for clients to discuss their needs. I am glad I took my business to them. I will definitely be a returning client. I recommend you stop by the Diamond Banc as well
Response from the owner: Markus, thank you for sharing your positive experience at Diamond Banc! We appreciate your kind words about Xammany. We look forward to serving you again in the future.
Best go to spot to go to when in need of emergency cash
Response from the owner: Thank you, Edward, for choosing us as your go-to spot for emergency cash. We appreciate your feedback.
“I recently had a great experience with Diamond Banc and I couldn’t be more satisfied with their service. They offer a unique combination of jewelry sales and loan services, which was perfect for my needs. Their staff was incredibly knowledgeable, helping me choose a beautiful piece of jewelry while also offering fair and transparent loan options. I appreciated how straightforward the loan process was, with clear terms and no hidden fees.The jewelry selection was impressive, featuring high-quality, stunning pieces at a range of prices. Whether you’re looking for a loan or a new piece of jewelry, I highly recommend Diamond Banc for their professionalism, excellent customer service, and trustworthy practices.”
Response from the owner: Thank you, Laura, for your wonderful review! We appreciate your kind words and are glad you had a great experience with us. We’re happy to hear that you found our services helpful and our staff knowledgeable. We look forward to assisting you again in the future.
Diamond Banc has it down pat. You bring your jewelry or your family’s baubles, and then they assess the value on their up-to-the-minute computer and BOOM! you get cash or check for the amount it’s worth. My Dad left me a key chain for his Mercedes Benz. It was gold, but I had no idea it was worth $500. A keychain? $500? That’s how smart Diamond Banc is. And also how honest. Bring a box of jewelry – it might be a treasure trove of cash.
Response from the owner: Thank you for your incredibly kind words, George! I’m truly touched by your appreciation and look forward to assisting you with future purchases or sales. Your support means the world to me. 💎
xammany & diamond banc team were so helpful when I needed an equity loan!
Response from the owner: Allana, thank you for sharing your positive experience with Xammany!
Professional, kind and flexible stayed late to make my much needed loan happen! Highly recommended!!!
Response from the owner: Thank you for your kind words, Jason! We appreciate your recommendation and are happy we could help make your loan happen.
Xammany really knows what she is talking about when it comes to buying your items or loaning you money. She is professional and transparent! Definitely recommend Diamond Banc Aventura. Bonus is that the office is beautiful 😍
Response from the owner: Thank you so much, Sasha, for your kind words! We’re glad to hear you had a great experience with Xammany at Diamond Banc Aventura. Our team appreciates your recommendation!
Kind, generous, and excellent customer service.
Response from the owner: CS, Thank you for your kind words about our customer service team! We appreciate your feedback.
Excelente atención felicidades
Response from the owner: Javier, thank you for your kind words! We appreciate your feedback.
I had a really great experience. The ambient makes you feel very comfortable. Xammany was very friendly and made sure to explain every step and validation clearly. Plus, I got the best deal!
Response from the owner: Fernanda, we’re so glad you had a great experience with us! Thank you for sharing your positive feedback.
Response from the owner: Thank you for your 5-star review!
Very detailed and professional.Excellent customer service!!
Response from the owner: Carolina, we appreciate your kind words! Thank you for recognizing our attention to detail and professionalism in providing excellent customer service!
Great experience, would highly recommend.
Response from the owner: Les, we’re grateful for your recommendation!
This is the second time using Diamond Banc and Xammany to sell my jewelry. It was as easy as the first; in and out quickly and I received my funds right away. I highly recommend Diamond Banc and the Aventura office.
Response from the owner: Always a pleasure to personally assist you Don.
I’m a return customer and the service is the same . Excellent!! Xammany saved the day !!!! AGAIN !!!’nnn
Response from the owner: You’re welcome anytime Sir!
Excellent experience, just like one of my food tours! Thank you!
Response from the owner: Steve, we’re delighted you had an excellent experience with us, just like your food tours! Thank you!
Would highly recommend anyone to come here when it comes to a loan or to sell a timepiece. She handle with it such an amazing professional. would come again.
Response from the owner: Thank you for recommending us, Frankie! I appreciate your kind words and look forward to assisting you again in the future.
Response from the owner: Shantoya, we appreciate your 5-star rating!
Response from the owner: Thank you for the 5-star rating, Sarah!
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Amazing experience. Xammany gave me an appointment on a Saturday which is a day that they are not open, and was very professional and helpful with me getting a loan. I definitely recommend this place to anybody that is trying to sell or take out a loan. Thank you so much, Xammany!
Juan R. via Google
Diamond Banc of Aventura is THE go-to destination to sell or borrow against your fine jewelry and luxury watches! The manager is an expert buyer, super knowledgeable, and professional. You’ll definitely get the deal here!
Jason P. via Google
Visit Our Location
Located on the 11th Floor of the Forum Aventura building, just across the renowned Aventura Mall, Diamond Banc of Aventura provides a discreet and secure environment for clients looking to meet with our jewelry and watch experts. Upon arrival, check in with the receptionist at the front desk, who will then direct you up to our suite.
Diamond Banc in Aventura offers a range of services for clients looking to sell their luxury assets, including gold, diamonds, and luxury watches. As the top jewelry buyer and equity lender in Aventura and the surrounding areas, Diamond Banc takes pride in offering clients a simple, transparent, and hassle-free selling experience.
Why Choose Diamond Banc of Aventura, FL?
Diamond Banc operates nationwide to provide consumers with an unrivaled menu of options to access the liquidity their fine jewelry and watches possess, via immediate sale, Jewelry Equity Loan, or consignment sale. Our firm operates in a branded, modern fashion. Diamond Banc’s office in Aventura was opened to service a discriminating and affluent clientele in a prompt and confidential manner. Our Aventura location is positioned to routinely work with clients from Bal Harbour, Coconut Grove, Aventura, North Miami, and North Miami Beach.
We provide consultations to clients who are considering selling, consigning or borrowing against their important jewelry. We are the premier diamond buyers, Rolex buyers, and jewelry buyers in Aventura, Bal Harbour, and Coconut Grove. Our market directors are experts located in the South Florida market, offering unparalleled expertise and market analysis when it comes to selling or getting a loan secured by your fine jewelry items. Our jewelry-secured loans are night and day different from when a person pawns jewelry.
Diamond Banc of Aventura is an extension of our luxury Diamond Banc brand, which has locations in premier cities across the nation. This ensures you receive the highest possible value assessment for your items in a confidential and polished environment. Our expert jewelry & Rolex buyers in Aventura will provide you with an accurate evaluation and financial solution that is tailored to your specific needs and desires. We offer discretion when selling their jewelry—we offer private appointments at our offices in Coral Gables & Aventura to ensure confidentiality during each sale, consignment, or loan transaction. Our directors provide every client with individualized attention, and industry-leading offers.
The Best Gold Buyer in Aventura
For clients looking to sell their gold, Diamond Banc purchases a variety of gold items, including unworn pieces, broken jewelry, scrap gold, dental gold, and more. With a longstanding partnership with some of the largest refiners in the country, Diamond Banc can offer the highest payouts for unwanted gold items. Clients can receive immediate, hassle-free funding upon accepting an offer.
Aventura’s #1 Diamond Buyer
Diamond Banc also specializes in buying diamond jewelry, including loose diamonds, diamond engagement rings, and other high-value diamond jewelry items. The team of diamond-buying experts assesses the value-adding elements of each diamond and provides an accurate market value, regardless of whether the diamond is certified or not. Diamond Banc offers a range of liquidity options, including an immediate cash purchase, consignment services, and VIP Seller’s Agent Service for high-value items.
Rolex & Luxury Watch Buyer in Aventura
As a top Rolex watch buyer in Aventura and Miami, Diamond Banc provides clients with top value and exceptional service for their luxury timepieces. The team is highly skilled in evaluating all factors that contribute to the value of each timepiece, including model, age, condition, and rarity. With a network of Diamond Banc locations across the country, the team stays up-to-date on the latest market trends for Rolex watches and offers the highest value possible for all models.
Clients looking to sell other luxury timepieces from top brands such as Patek Philippe, Audemars Piguet, and more can also turn to Diamond Banc. With extensive expertise in the luxury watch market, Diamond Banc provides clients with top value and exceptional service for their timepieces.
Loans Secured By Your Jewelry
Collateralized loans are a popular option for those seeking immediate funding while retaining ownership of their valuable jewelry. At Diamond Banc of Aventura, we specialize in providing collateralized loans secured by diamonds, gold, luxury watches, and other high-value fine jewelry items. Our lending process is simple, secure, and confidential, with pro-consumer loan terms that can be tailored to your preferences and situation.
We are the nation’s leader in providing collateralized loans, offering loans secured by one item or entire collections. Our loan values are the highest in the industry, and our borrowing costs are the lowest in all of Miami. Our team of experts is dedicated to providing personalized service and helping clients magnify the fiscal power of their jewelry.
Our clients have the option to redeem their collateral under favorable repayment terms, and generally receive the same amount of proceeds as they would by selling outright. We routinely loan clients up to $350k+ and our loan terms can be adjusted to suit your specific needs. Receive the same amount of proceeds as if you sold your item, but maintain ownership with our jewelry Equity Loans in Aventura, Bal Harbour, and Coconut Grove.
Diamond Banc of Miami, Aventura Branch
Diamond Banc, serving Aventura, provides top-quality consultation for clients who wish to sell jewelry in Miami. Our market directors are experts in the South Florida market, offering unparalleled expertise and market analysis when it comes to selling or getting a loan secured by your fine jewelry items. This ensures you receive the highest possible value assessment for your items. Our expert buyers in Aventura will provide you with an accurate evaluation and financial solution that is tailored to your specific needs and desires.
We are trusted by people who want discretion when selling their jewelry—we offer private appointments at our offices in Coral Gables & Aventura to ensure confidentiality during each sale. Our staff is trained to provide every client with individualized attention so we can obtain the most accurate evaluation of your item’s value and help you understand how this reflects its market value and resale potential. As a result, we can provide you with an array of liquidity options based on the funding you are seeking to secure from your precious metals, diamonds, and luxury watches while also providing you with peace of mind that each transaction is simple and secure.
Diamond Banc of Aventura proudly serves clients West Island Blvd, Biscayne Blvd, Turnberry Way, City Center, East Island Blvd, Golden Beach, Point East Drive, Country Club Estates, Yacht Club, Aventura Central Island, Aventura Mall, North Island, Prive Island, South Island, Waterway Village, Marina Palms Yacht Club, Aventura Estates, Echo Condos, Mystic Point, The Peninsula Aventura, & William’s Island.
