100% Risk-free & fully insured
High-value appraisals
Instant payment
Choice of payment methods
Craig, originally from London, founded Sell Your Diamond in the UK. Taking his expert knowledge in diamonds to build a business specialising in the trade of exquisite diamond Jewelry. Craig and his teams deep understanding of the diamond industry and commitment to excellence led to success in London, paving the way to the expansion of his visionary business to the dynamic New York City.


Send us a quote request to find out the diamond value

Using A Secure Courier Service

We confirm the offer upon receipt of the diamond and make a transfer on the same day
We buy both certified and non-certified diamonds of all shapes and qualities above 1ct. From diamond engagement rings to loose and cut diamond pieces, our experts specialise in buying diamonds of all shapes and qualities above 1ct, ensuring you receive the best market price.
Sell Your Diamonds Now
Do you have luxury jewelry? Branded, custom, antique, estate or modern, we specialise in the purchase of high-end luxury pieces. Our experts are on hand to evaluate your Jewelry and make you an instant cash offer. We also evaluate luxury watches, branded fine jewelry, and iconic maisons including Van Cleef Arpels pieces for instant cash offers.
Sell Your Designer Jewelry NowWe make selling simple at SellDiamond.com, trusted for premium jewelry and expert diamond valuations in the heart of the Diamond District. Conveniently located in the heart of New York City’s renowned diamond district, our luxury office suite provides a safe and secure location for selling your luxury items. Our expert team ensures accurate evaluations, competitive offers, and immediate pay-outs. Visit us today and let us help you unlock the true value of your treasures.
Competitive offers backed by market expertise.
Years of experience in diamond & jewellery valuations.
Your privacy is our utmost
priority.
Easily accessible in the
heart of New York
Jewelry, Diamonds and Gemstones are the embodiment of remarkable events in a persons life. However, at Sell Diamond NY we understand that life changes, so do relationships and your preferences. If you’re looking for a trusted estate Jewelry buyer to unlock the value of your once-loved possession, then Sell Diamond NY is the right place to visit.
No matter your reasoning, Sell Diamond NY is the premier place to sell your estate diamond Jewelry for cash.
With over 20 years of experience in the luxury industry, we offer the most competitive prices on the diamonds and estate Jewelry you’re looking to sell.
Our extremely knowledgeable and friendly Jewelry experts pride themselves on offering honest advice on your piece. We’ll help you unlock the value of your item, and in the unlikely event we think you can achieve a higher price, our experts will happily guide you to the right place.
Selling your diamond is simple. Request a free valuation online or book an appointment with our experts. We'll assess your diamond, provide a no-obligation offer, and if you accept, you'll receive payment quickly through your preferred payment method.
We buy natural diamonds in a wide range of shapes, sizes, and qualities, including loose diamonds, certified diamonds, diamond rings, engagement rings, and other diamond jewellery. We also purchase both certified and non-certified natural diamonds.
Please note, we only purchase diamonds from 1.00ct and above for the centre diamond, whether that’s set in a ring, or other items of jewelry.
Our specialists evaluate your diamond based on the internationally recognised 4Cs—carat, cut, colour, and clarity—along with certification, market demand, and overall condition to provide a fair and competitive offer.
No. While certificates such as GIA, IGI, or HRD can help speed up the valuation process, we also assess and purchase non-certified natural diamonds through our expert in-house evaluation.
Yes. We follow a secure and confidential buying process. Whether you visit our office or use our insured shipping service, your valuables are handled with care throughout the entire transaction.
Once you accept our offer and complete the required verification, payment is processed promptly. We offer fast, secure payment options for your convenience.
Yes. In addition to natural diamonds, we buy diamond jewellery, engagement rings, wedding rings, luxury watches, gold, platinum, gemstones, and other valuable jewellery items.
Absolutely. We regularly purchase diamonds set in rings, necklaces, earrings, bracelets, and other jewellery. We also consider the value of the precious metal as part of our offer.
No. Every valuation is completely free and comes with no obligation. If you decide not to sell, your item will be returned according to the agreed process, giving you complete peace of mind.
With years of industry experience, professional diamond experts, competitive offers, secure transactions, and a transparent valuation process, SellDiamond provides a trusted and straightforward way to sell your natural diamonds and luxury jewellery.
Whether you’re looking to sell estate Jewelry, gold Jewelry or diamond Jewelry, Sell Diamond NY is your go-to place, ran by industry experts.
Sell Diamond NY is the one-stop shop that makes selling your estate Jewelry, simple.
GET YOUR DIAMOND VALUED TODAY! FREE VALUATION