About US
Established in 1983
The Gold & Diamond Center is a family-owned full service jewelry company that has been proudly serving our clients in St. Petersburg, Florida since 1983. The founder, Hien Nguyen through unwavering determination and dream for his future and family, started this company upon moving to the States from Vietnam. Through his hard work and perseverance, he established The Gold & Diamond Center, and today, his legacy continues to thrive through three generations of our family. For over 40 years, we have been dedicated to exceeding industry standards and building a reputation as one of the most trusted names in the area. At The Gold & Diamond Center, we believe that every piece of jewelry should be crafted with future generations in mind. Our passion lies in curating exceptional collections that embody elegance and timeless beauty, alongside personalized services that cater to your unique style and needs. Our offerings include unique fine jewelry designs custom-made by our family, and an exquisite handpicked selection of luxury watches. We are experts in sourcing, selling, and buying preowned luxury brands, ensuring you receive the highest quality at competitive prices. We are committed to family, trust, and integrity, striving to provide the best customer service and treating each client as part of our extended family. We are honored to carry forward our family legacy as your lifetime jewelers, consultants, and family.
Services we offer
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Jewelry cleaning
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Jewelry repairs
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Jewelry Resizing
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Watch repairs
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Watch Sourcing
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Watch Polishing/Cleaning
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Bespoke Custom Designs
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Appraisals
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Buying, trading, and loaning
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GIA certified expert advice
Owner/ CEO
Coy Bentley
Jeweler/ Watchmaker
Coy is the 2nd Generation owner of the Gold and Diamond Center. He is a GIA Certified Gemologist and Diamond Specialist with over 30 years of experience. Known for his loyalty and dedication to his clients, Coy prioritizes excellent craftsmanship, work and experience for his team and his clients. He specializes in Preowned watches such as Rolex, Patek Phillipe and Audemars Piguet and also custom jewelry design work.
Founder/ head jeweler
Hien Nguyễn
Hien Nguyen is the founder and head jewelry at The Gold & Diamond Center. With over 40 years of experience, Hien specializes in all things jewelry, gemstones and diamonds. He works hands on with his clients whether it's repairs, refurbishing or custom making. Many of the jewelry pieces in the store today, are custom jewelry pieces he created at his work bench. He still designs and makes new jewelery to this day. His legacy of integrity, family values, and passion for craftsmanship continues to thrive as the store has been passed down to his family, who uphold the traditions and standards he set.
Sales Manager/ Marketing Director
Vivian Hoang
Vivian is a 3rd generation GIA certified jewelry and watch specialist. Growing up in the jewelry industry, she is passionate and eager to grow and maintain The Gold & Diamond Center's reputation for excellence. With a keen eye for detail and a dedication to customer satisfaction, Vivian ensures that every client finds the perfect piece to celebrate their special moments. Her deep knowledge and commitment to quality make her a trusted advisor in the world of luxury jewelry and timepieces.
Sales associate
Kevin Whitcomb
Having over 20 years of experience in the jewelry industry, Kevin possesses extensive knowledge of fine jewelry, luxury watches, and precious gemstones. He takes pride in helping clients find the perfect piece to celebrate their special moments, whether it’s an engagement ring, an anniversary gift, or a statement piece for a special occasion. When you walk into the Gold & Diamond Center, you can count on Kevin being their to give a warm welcome and help you with whatever you need.
Sales Associate/ Watch Repairs
Anthony Rimer
Anthony has extensive knowledge and expertise in all things watches. With a passion for jewelry and watches, he serves his clients by providing expert advice in all things pricing, watches and repairs. Growing up in the Gold & Diamond Center, Anthony is one of the 3rd generation family members to enter the family business and jewelry industry.