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…
Excellent customer service. Would highly recommend. Thank you Xamanny!
Response from the owner: Thank you for your kind words, Kelly Avino! We appreciate your recommendation. – Xamanny
I had the best experience at Diamond Banc! She usually only accepts appointments but took me in with no question which I thought was so nice. Then she was able to give me an appraisal and paid on the spot. By far most professional jewelry appraisers I’ve experience and would completely recommend 10/10! ❤️ she will always be my go to girl for the future.
Response from the owner: Thank you for choosing Diamond Banc! We appreciate your kind words and are glad we could provide you with a positive experience. Look forward to assisting you in the future!
It’s always a pleasure working with Xammany.
Response from the owner: Working with you is always a pleasure, Shanika Andre. Thank you!
It was great doing business with you guys it was quick easy and I receive the value of what I wrong in for you guys to look at I will recommend anybody to go to diamond Banc
Response from the owner: Thank you for choosing Diamond Banc! We appreciate your recommendation and are glad you had a great experience with us.
Amazing service! Xammany Is the sweetest ever and so helpful!
Response from the owner: Thanks for your feedback.
Xammany provided excellent customer service 😊.
Response from the owner: Thank you for your 5-star review!
Very knowledgeable staff. Excellent service. The process was extremely smooth from start to finish. I highly recommend; 10/10.
Response from the owner: Thank you for your 5-star review!
Excelente servicio y recomendable
Response from the owner: We are so grateful for your kind words and recommendation!
I shopped all over Florida getting quotes and dealing with unprofessional people but my experience with Xammany was a pleasure to the point and successful. I will not do business with anyone else from here on. Thank you
Response from the owner: We’re so grateful for your kind words, Alejandro! It was a pleasure serving you, and we’re glad to hear about your positive experience with us.
Xammany was amazing. Great conversationalist laughed through the whole transaction spoke on things other than the task at hand that made the business smoother. I asked for a specific amount and was able to get it without a hitch most definitely will refer and do it again
Response from the owner: We’re so glad you enjoyed your experience with us, Nathaniel! Thank you for sharing your positive feedback. Looking forward to assisting you again in the future!
Response from the owner: Thank you for the 5-star rating, Emmanuel Roker! Please enjoy this starbucks on us! ☕ https://starbucks.cashstar.com/gift-card/view/4qkML78PzlKYCku2LEne2QE84/s3GirP/
Excellent service, professionalism and responsiveness. I highly recommend Diamond Banc to anyone!
Response from the owner: We’re so glad to hear you had a great experience with us, Mark! Thank you for recommending Diamond Banc!
Great customer service, wonderful experience, fair price and knowledgeable about the business.
Response from the owner: We’re delighted to hear about your wonderful experience with us. Thank you for your kind words!
Diamond Banc offered a fair and transparent evaluation of my jewelry. The process was quick, and the staff was very friendly. I received the money I needed immediately, and my jewelry was well cared for. Highly recommended for quick and secure loans. Five stars!
Response from the owner: We’re delighted you had a positive experience with us, Denise! Thank you for recommending us for quick and secure loans.
Excelete , aparte de ayudarte a encontrar la mejor opción, aprendes muchisimo con cada explicación 😊🤗 …
Response from the owner: Thank you for your kind words! We’re glad to hear that you found our service helpful and informative. 😊🤗
Xammany is the best! She takes the time to evaluate and offer the best price possible. She is very knowledgeable and will even take the time to explain all the details. Definitely will go back to them.
Response from the owner: Thank you for your kind words, Armando! We appreciate your support and look forward to assisting you again in the future.
Response from the owner: We’re glad you had a great experience with us!
Excellent customer service and prices!!
Response from the owner: Thank you for your kind words! We appreciate your feedback!
Wonderful experience at diamond Banc with Xammany. She explained the process very throughly and made everything easy and quick. Will be revisiting in the future for more business.
Response from the owner: Thank you for your kind words, Dimitri! We appreciate your feedback and look forward to assisting you again in the future.
I have found Diamondbanc to be consummate professionals, and my dealings with them. They understand the market, and treat you with great conduct and respect. I highly recommend them for your diamond needs!
Response from the owner: Thank you for your kind words, Richard! We appreciate your recommendation and are glad to hear about your positive experience with us.
Amazing service, secure and nice building, good prices
Response from the owner: Thank you for your 5-star review!
Excellent service
Response from the owner: Thank you for your 5-star review!
Great experience.. very professional!! Honest
Response from the owner: Thank you for your 5-star review!
It truly is rare to sell jewels to a jewel. Not only is Xamanny stunningly beautiful inside and out, but she eclipses the most valuable diamond ever made. She is a game changer. I will never ever make another purchase or sale without consulting her. I feel blessed to have met such an erudite professional. She epitomizes elegance, grace and class.
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. 💎
Extremely professional to work with. Will use their services in the future
Response from the owner: Thanks for your feedback Saad! Always happy to assist you anytime.
Response from the owner: Thank you for your 5-star review!
Fast, easy and brilliant service. This is going to be a long review and I NEVER do these but that’s just how great my experience was. Here was my situation: I found myself needing access to cash for an investment so I thought about getting a loan on my Tiffany’s engagement ring. I found Diamond Banc’s website Sunday night. The very next morning their representative, XAMMANY, called me and said she could help me and that I just needed to come into their Aventura office for inspection. I went that same day about 4p in the afternoon. I took my Tifanny’s ring, authentication certificate and appraisal report with me. XAMMANY has great customer service and doesn’t make you feel like “you need them” like many other dealers. She is easy to talk to and very helpful, she makes the process PAINLESS and SEAMLESS. After inspection, Xammany wired the funds immediately. In 24hrs I had the funds wired that I needed and I didn’t have to miss an investment opportunity. My entire process was Sunday night thru Tuesday morning! If you need cash and want to borrow against any fine jewelry like Tiffany’s, Rolex, etc CHOOSE DIAMOND BANC!!!P.S I also applied at another company when I applied at Diamond Banc. Not only did they reply two days too late but they only offered me HALF of what Diamond Banc loaned me.
Response from the owner: Thank you for your 5-star review! I appreciate your support and honesty.
I experienced incredible service and professionalism in dealing with Xammany at Diamondbanc. She was extremely knowledgeable on her craft, reassuring, and has a wonderful spirit on collaboration to create favorable results for all parties. High levels of integrity and I rec commend doing business with her. 10/10
Response from the owner: Thank you for recognizing Xammany’s expertise, professionalism, and collaborative spirit! We appreciate your kind words and recommendation.
I highly recommend working with Xammany! She is extremely knowledgeable and makes the entire process seamless! You can totally trust her and this company!
Response from the owner: Thanks for your feedback.
Woooow Xammany, I love her, she’s a sweetheart, the world need more persons like this, I appreciate your work.
Response from the owner: Thank you for your 5-star review!
Wonderful service . Very detailed and professional. . Would come back again
Response from the owner: Thank you for your 5-star review!
Perfect place to go to get top price for your valuables same day.
Response from the owner: We’re delighted you found our service valuable and efficient – thank you, Lori!
After calling the first time, I made an appointment on line which was very easy. Very convenient office bld with safe free parking. Xammany welcomed us in her office and took the time to explain the whole appraisal process.We were very satisfied and would come.back and recommend her.
Response from the owner: Thank you for your 5-star review! It was such a pleasure to meet you, your husband and Smokey too! Have fun watching the eclipe and send me pictures!!!
Great people to work with,helped my family in time of need will definitely work with Diamond Banc in the future. ASSUME!!
Response from the owner: Thank you for your 5-star review!
The attention and friendliness from Xamany was very special and top notch. We received a great offer from her team and she made the transaction seamless and easy. I would definitely recommend anybody to her. Thank you Xamany!
Response from the owner: Thank you for your 5-star review! It was a pleasure to personally assisted you and your wife. Please stop by anytime!
Great experience and excellent service. Will go back to Diamond Banc next time a new opportunity arises and definitely recommended.
Response from the owner: Thank you for your 5-star review Andres!
She was the sweetest was nice to meet an honest buyer (:
Response from the owner: Thank you for your kind words, Mila! It was a pleasure assisting you as an honest buyer (:
Xammany is a remarkable individual, amazingly skillful in this business. Fun to talk, easy to converse any topic. I highly recommend her for evaluations on your precious jewelry. I definitely come back to her!!
Response from the owner: Thank you for your 5-star review!
My first time was a great experience I felt comfortable and everything went very well
Response from the owner: Thanks for your feedback.
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.
Highly recommend
Response from the owner: Thank you for your 5-star review!
I had the pleasure of visiting the Diamond Banc yesterday and found the owner and the entire experience to be AWESOME!!! I had a few pieces of jewelry to sell. The owner took her time determining the value and gave me a more than fair price for my pieces. I highly recommend this company
Response from the owner: Thanks for your feedback.
Great experience wilt Xammany, fast, practical and concrete.
Response from the owner: Thanks for your feedback.
I felt very comfortable with their transparency of my diamond appraisal. Extremely professional.
Response from the owner: Thank you for your 5-star review!
Smooth and professional transaction. Too much text prior but go to Xammany (sho money) and she is very professional and smooth. I received my wire same day and it was better than expected. Thanks!! I will use this service again.
Response from the owner: Thanks for your feedback. It was a pleasure to personally assisted you.
Thank you for your service I’m pleased very professional, this is my second time working with you and I’m very happy. Gracias
Response from the owner: Thanks for your feedback.
Wonderful experience. Friendly, professional and extremely helpful. Xammany was thoughtful and understanding. I had an excellent visit and experience!
Response from the owner: Thanks for your feedback Waheed.
I had a great experience at Diamond Banc.Once again X manny treated me like family. Thank You
Response from the owner: It was a pleasure to assist you.
My first experience and it was welcoming, comfortable and professional. Xammany made the process seemless and I was happy with the price offered for my luxury watch. Thank you.
Response from the owner: Thank you so much for your feedback TT!
Xammany was amazing sheTakes care of us with quality and care every time From My Mother to my Brothers . To make sure we left smiling and Happy!
Response from the owner: Thanks for your feedback.
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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.
