At Gold Standard, we bring over 75 years of jewelry industry expertise to every diamond we appraise and purchase. As a family-owned and operated business, we’ve proudly built our reputation as the largest and most trusted diamond buyer in Queens and Long Island.
Our expert gemologists are on staff at every location, providing accurate, professional evaluations for loose diamonds, certified stones, and diamond jewelry.
Thanks to our extensive industry knowledge, experience, and connections, we’re able to offer you the highest payouts for your diamonds — all in a safe, private, and comfortable environment.
At Gold Standard, your security, privacy, and satisfaction are always our top priorities.
Visit us today for a free diamond appraisal and experience the trusted service that sets us apart.
At Gold Standard, we specialize in purchasing diamonds of all cuts, sizes, and qualities. Whether you have a loose diamond, certified stone, or a piece of diamond jewelry, our expert gemologists are ready to provide a free evaluation and a top-dollar cash offer.
We buy:
If you are selling a diamond 1 carat or larger, we recommend calling us at (800) 316-7060 to schedule an appointment with our senior gemologist. Please bring any GIA certificates, appraisals, or original receipts you have to help maximize your offer.
At Gold Standard, we make selling your diamonds secure, stress-free, and discreet — helping you unlock the highest value for your precious stones.
At Gold Standard, we make selling your diamonds for cash transparent, secure, and worry-free. Every appraisal takes place in a private room, ensuring discretion and comfort throughout the entire process. Our expert gemologists evaluate each diamond carefully, considering the 4 Cs — Carat, Cut, Color, and Clarity — along with other important factors like rarity, market demand, fluorescence, and symmetry. Your diamond never leaves your sight, and we’re committed to offering you the highest possible cash payout.
Visit any of our four Gold Standard locations in Queens or Long Island. Walk-ins are welcome, or you can schedule a private appointment by calling (800) 316-7060.
Our experienced gemologists will test, evaluate, and appraise your diamond or diamond jewelry in front of you — then present a no-obligation cash offer based on real-time market value.
Accept the offer and walk out with your cash in as little as 15 minutes — all while experiencing the trusted, professional service that sets Gold Standard apart.
At Gold Standard, we make the process seamless, secure, and rewarding. Our family has been a respected name in the diamond and jewelry industry for over 75 years, and today, we are proud to be recognized as the largest and most trusted diamond buyer in Queens and Long Island.
Our commitment to integrity and outstanding service has earned us an A+ rating with the Better Business Bureau, a 98% customer satisfaction rating, and the honor of being voted #1 Gold Buyer four years in a row by the readers of the Long Island Press.
If you’re looking to receive the highest cash payout for your diamond, engagement ring, or diamond jewelry, we encourage you to schedule an appointment with our senior gemologist. Simply bring your diamond and any accompanying certificates or documentation to one of our four convenient locations in Queens or Long Island for a free, professional evaluation.
We buy loose diamonds, certified diamonds (GIA, IGI, EGL, and others), and diamond jewelry including engagement rings, wedding bands, earrings, bracelets, necklaces, and pendants.
No, certification is not required. However, bringing a GIA certificate, appraisal, or any related documentation can help us maximize your cash offer.
Our expert gemologists evaluate your diamond based on the 4 Cs — Carat, Cut, Color, and Clarity — as well as other factors like rarity, symmetry, fluorescence, and market demand to ensure the highest possible payout.
Most diamond evaluations and transactions are completed within 15 to 30 minutes, and you will receive immediate cash on the spot.
Appointments are not required for most items, but if you are selling a diamond 1 carat or larger, we recommend calling (800) 316-7060 to schedule an appointment with our senior gemologist.
Yes. All evaluations are done in private rooms, and your diamond never leaves your sight during the process. We are committed to providing a safe, discreet, and professional experience.
No. Our evaluations are free and no-obligation. You are under no pressure to sell if you choose not to accept the offer.
Stop by one of our professionally staffed locations for on-the-spot service and instant cash offers. Walk-ins are welcome — no appointment needed.
