4275 Executive Sq
Suite 202
La Jolla, CA 92037
Monday-Friday: 9 AM – 5 PM
Jewelry Loans
Designer Jewelry Loans
Jewelry Buyer
Designer Jewelry Buyer
Gold Buyer
Rolex Buyer
Diamond Buyer
Jewelry Pawn Alternative
With nearly 20 years in the luxury jewelry, watch, and diamond industry, Thuyvi Tran, G.G. has built a career helping clients navigate meaningful financial and personal decisions. A Graduate Gemologist from the Gemological Institute of America and a UC Berkeley graduate, she combines technical expertise with a personalized, client-first approach trusted by collectors, executives, estate attorneys, and families.
Throughout her career, Thuyvi has launched and led luxury buying markets across California, mentored high-performing teams, and developed training and operational strategies that improve both the client experience and business performance. Today, as Regional & Market Director, she supports the company’s California offices while continuing to work directly with clients in her hometown of San Diego.
Thuyvi specializes in evaluating luxury jewelry, diamonds, fine watches, and estate collections, including pieces from Cartier, Van Cleef & Arpels, Tiffany & Co., Rolex, Patek Philippe, Audemars Piguet, Richard Mille, and many others. Whether helping a client sell an heirloom, restructure a collection, or unlock liquidity from luxury assets, she provides honest guidance, meticulous evaluations, and solutions tailored to each client’s needs.
For Thuyvi, every piece tells a story connected to a family, milestone, new beginning, or important life transition. Her role extends beyond determining value—it is about helping clients understand their options, make informed decisions, and feel confident throughout the process.
Diamond Banc of San Diego is your trusted destination for not only selling your luxury Rolex watch but also unlocking its value through Rolex Equity loans. As the premier Rolex buyer, we understand the unique worth that Rolex timepieces hold, and we offer a range of services to meet your financial needs.
Diamond Banc of San Diego is the premier destination for selling luxury designer jewelry, including brands like Cartier, Tiffany and Co., Van Cleef and Arpels, Bvlgari, and more. With expert market insight, we provide accurate evaluations, strong offers, and a discreet, efficient selling process focused on maximizing your return.
Diamond Banc of San Diego is the leading diamond buyer that can help you discover the true worth of your diamonds. We understand the immense value, both emotional and financial, that diamonds hold. Our team of experts is dedicated to providing you with a seamless and rewarding selling experience.
If you’re looking to turn your unused or unwanted gold jewelry into cash, Diamond Banc of San Diego is the leading gold buyer you can trust. With our expertise in the gold market, we offer a seamless and reliable service that ensures you receive the best value for your gold.
Diamond Banc of San Diego proudly serves La Jolla and the surrounding area, extending our nationally recognized jewelry buying and lending services to one of Southern California’s most prestigious coastal markets. Clients throughout San Diego County can begin the process online or reach out to schedule a private consultation.
Diamond Banc of San Diego is ideally situated in La Jolla, one of the region’s most affluent and iconic communities. Our office is designed to provide a discreet, secure, and refined environment for clients looking to sell fine jewelry or access asset-backed loans. Built for privacy and comfort, our La Jolla location reflects the sophistication of the clientele we serve throughout San Diego.
We specialize in purchasing and lending against high-value assets including diamonds, diamond jewelry, luxury Swiss watches, and designer jewelry and handbags. Our buying expertise extends to brands such as Cartier, Tiffany & Co., Harry Winston, Van Cleef & Arpels, Chanel, Hermès, Louis Vuitton, Graff, and more.
We understand that fine jewelry and luxury assets often carry deep personal and financial significance. Our goal is to make the process seamless and stress-free while ensuring our clients receive the strongest possible value for their assets in San Diego, CA. Our experienced professionals prioritize clarity, discretion, and transparency at every step.
Convenience is central to the Diamond Banc experience. Our San Diego office is designed to provide a calm, upscale atmosphere where clients can make informed decisions with confidence. Whether you are selling, borrowing, or exploring your options, Diamond Banc delivers a personalized experience tailored to your needs.
There are several ways to begin selling your jewelry, diamond, gold, or watch with Diamond Banc of San Diego:
Diamond Banc approaches every evaluation with a comprehensive, market-driven perspective. Our experts analyze all factors that influence value, including brand desirability, gemstone quality, craftsmanship, and current secondary-market demand. We believe informed clients make better decisions, which is why we take the time to explain how value is determined and what drives pricing.
In addition to purchasing and lending, we offer consignment services and large-scale jewelry estate evaluations. No two assets are alike, and our clients receive individualized attention designed to maximize outcomes. Every consultation includes a complimentary, no-obligation value assessment conducted in a relaxed, professional setting.
Our commitment to exceptional service, honesty, and discretion has made Diamond Banc a trusted name among clients seeking premium results without pressure.
As a nationally recognized leader in purchasing jewelry and diamonds from the public, Diamond Banc consistently delivers industry-leading payouts. Our extensive national footprint allows us to access elite buyers and collectors across the country, enabling us to pay more for diamonds, Rolex watches, gold, and fine jewelry than most local buyers.
Diamond Banc is also the nation’s leading jewelry-secured lender. We provide confidential loans secured by single items or entire collections of diamonds, fine jewelry, and luxury watches. Our loan structure is transparent, fast, and consumer-friendly, offering high loan values with competitive borrowing terms tailored to each client’s needs.
Diamond Banc proudly purchases an extensive range of fine jewelry assets, including diamond necklaces, pendants, earrings, tennis bracelets, and engagement rings. We are active buyers of estate jewelry, antique and vintage diamonds, and GIA-accredited stones across all sizes and quality grades. Sell your jewelry or sell your loose diamonds for the highest payout with Diamond Banc.
We also pay cash for gold — from bullion and investment-grade gold to broken and outdated jewelry. Unlike traditional gold buyers, we evaluate pieces for intrinsic jewelry value and brand demand, often paying premiums well beyond melt value.
Our San Diego office is an established buyer of luxury jewelry from the world’s most prestigious houses, providing clients with a refined, high-touch experience and top-tier payouts.
San Diego is home to a discerning luxury market, from La Jolla’s Girard Avenue boutiques to the coastal enclaves of Del Mar and Rancho Santa Fe, making it one of the most active regions in the country for designer jewelry and elite timepieces. Diamond Banc works with discerning clients throughout San Diego County who are looking to sell exceptional pieces from the world’s most prestigious brands. Our specialists regularly purchase jewelry from renowned houses including Van Cleef & Arpels, Cartier, and Oscar Heyman. From iconic designer collections and rare diamond jewelry to important estate pieces, we provide sophisticated evaluations based on current market demand and collector interest.
The luxury jewelry market in San Diego is driven by a combination of exceptional craftsmanship, exclusivity, and global brand recognition. Diamond Banc frequently evaluates jewelry from prestigious designers such as Harry Winston, Graff, Buccellati, Boucheron, Roberto Coin, Kwiat, David Webb, Verdura, and Suzanne Belperron. Whether a piece is contemporary or vintage, our experts understand the nuances that influence desirability and value within the high-end secondary jewelry market, allowing us to provide competitive purchase offers for exceptional assets.
San Diego is also home to a sophisticated luxury watch community, from La Jolla and Del Mar to downtown San Diego. Diamond Banc actively purchases Rolex, Patek Philippe, Audemars Piguet, Omega, and Cartier watches. We also evaluate timepieces from highly respected manufacturers including Vacheron Constantin, Jaeger-LeCoultre, A. Lange & Söhne, FP Journe, Hublot, Breitling, Grand Seiko, IWC, Franck Muller, and Ulysse Nardin. From sought-after sports models to rare complications and independent watchmaking masterpieces, our specialists remain closely attuned to collector trends and market values. Sell your luxury watch in San Diego with Diamond Banc today.
Diamond Banc offers a fundamentally different experience than traditional pawn shops. Our team consists of industry professionals with deep market knowledge, enabling us to accurately assess value and provide offers that reflect true market demand.
We routinely outperform pawn shops by offering stronger purchase prices, higher loan values, and transparent terms. In addition to buying and lending, we provide consignment options and estate services not typically available through pawn-based businesses.
Every client receives a complimentary, pressure-free liquidity evaluation, ensuring clarity and confidence throughout the process.
Selling a diamond can feel overwhelming, especially in a high-value market like San Diego. At Diamond Banc, our diamond specialists bring extensive industry experience and meticulous attention to detail to every evaluation. Each diamond is assessed using the 4 Cs — carat weight, color, clarity, and cut — along with market desirability and certification details.
Our specialists prioritize education, transparency, and professionalism, taking the time to explain the evaluation process and answer all questions. Clients are never rushed or pressured and are empowered to make the decision that best fits their goals.
You may begin the process online through our secure submission form or schedule a private consultation for a personalized experience.
Looking to sell your Rolex watch in San Diego? We are supported by a nationwide network of authorized dealers, collectors, and secondary-market specialists. Our ownership group includes some of the country’s most respected Rolex dealers, giving us unmatched access to top buyers and real-time market insights.
We purchase all Rolex models in any condition, from modern sports references to vintage and discontinued pieces. Each watch is evaluated based on model, condition, rarity, and current demand, allowing us to consistently outperform local buyers.
Our expertise, transparency, and discretion provide clients with confidence and peace of mind throughout the selling process.
Diamond Banc takes a differentiated approach to buying gold jewelry. Rather than valuing pieces solely by weight, we assess design, brand recognition, craftsmanship, and gemstone accents. Many items command premiums above gold content due to jewelry demand and designer influence.
We also pay for accent diamonds set in gold pieces and meticulously sort items by purity to ensure accurate and fair pricing. As a high-volume buyer, Diamond Banc leverages scale to deliver industry-leading payouts and immediate funding.
Clients are encouraged to compare offers — and frequently return to Diamond Banc to secure the strongest final value. Sell your gold today with Diamond Banc.
Diamond Banc of San Diego provides refined financial solutions for clients looking to unlock the equity in their jewelry and luxury assets. As a sophisticated alternative to traditional pawn shops, we deliver superior value, discretion, and service.
Our La Jolla office proudly serves surrounding communities including Del Mar, Rancho Santa Fe, Solana Beach, Encinitas, Pacific Beach, Point Loma, Coronado, and greater San Diego County.
If you’re seeking a trusted partner to sell, consign, or borrow against your fine jewelry, diamonds, gold, or luxury watches, Diamond Banc of San Diego offers an elevated, client-first experience designed to maximize value and confidence.
Diamond Banc of San Diego is proud to serve clients from neighboring communities, including Del Mar, Rancho Santa Fe, and Solana Beach. Whether you’re looking to sell your gold jewelry near Pacific Beach, pawn a Rolex watch in Coronado, or secure a jewelry-backed loan near Carmel Valley, our La Jolla office offers a premium, secure alternative to traditional pawn shops. Clients from across San Diego County trust Diamond Banc for transparent evaluations, elevated service, and market-driven offers on high-value assets like diamonds, luxury watches, and designer jewelry.
If you’re searching for a diamond buyer near Point Loma, or wondering where to sell gold near downtown San Diego, Diamond Banc provides unmatched expertise and top-tier payouts. Our clients frequently travel from Encinitas, Coronado, and the greater San Diego area to work with our experienced professionals. We understand that selling or leveraging fine jewelry is a significant decision — our discreet and client-focused approach ensures confidence and clarity throughout the process. Begin online today, and visit our La Jolla location to experience the Diamond Banc difference.
Diamond Banc operates in key cities across the U.S., making it easy to access trusted jewelry selling and loan services near you.
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