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Sell Diamonds in New York

Fair, transparent evaluations backed by nearly a decade of industry expertise, ensuring you receive accurate valuations and a process built on trust and integrity

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With 10+ years of industry experience and 2,500+ retail accounts nationwide, JS Diamonds delivers accurate, transparent, and stress-free appraisals. Based in New York City, we evaluate everything from loose diamonds and gold bars to engagement rings, heirloom pieces & watches.

Our virtual consultations let you connect from anywhere while still receiving the trusted expertise we're known for in NYC’s diamond district.

Looking to sell your diamond with confidence?
Book a private consultation today

Our Seamless Process

Share Your Item Details

Send us clear photos and any relevant documents or certificates. These details help our experts accurately and efficiently assess your piece’s authenticity, quality, and value.

Book An Appointment

Choose a convenient date and time to meet our team in person at our NYC office. No pressure and no obligation, just an expert evaluation.

Receive The Best Offer

Our experts assess your items in person and present a transparent, competitive offer with no hidden fees or obligations.

Get Paid On The Spot

Once you accept the offer, receive immediate payment through a secure bank transfer — fast, safe, and hassle-free.

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What We Buy

We specialize in purchasing all types of diamonds with expert evaluations and a seamless process from start to finish.


GIA and non-certified lab & natural diamonds

Fancy shaped & fancy colored diamonds

Melee, old cuts, broken, or mismatched stones

All shapes, colors, clarities & carats considered

Gemstones & colored stones

Why Sell To
JS Diamonds Inc.

Rooted in New Yorks’ Diamond District, we provide a transparent, discreet and expert-led experience for those looking to sell diamonds, gold, fine jewelry and watches.

10+ YEARS OF EXPERIENCE

In the diamond trade since 2010,
serving clients.

HONEST VALUATIONS

Fair, accurate offers backed by market insight.

SMOOTH SELLING PROCESS

Quick, simple steps from start to payout.

DISCREET SUPPORT

Your privacy handled with care and professionalism.

Looking To Sell?

With 10+ years of industry expertise, JS Diamonds offers a trusted, transparent way to sell diamonds, gold, jewelry and watches. We provide fair offers, respectful service and consultations available both online and in person.

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Customer Testimonials

Reviews That Speak for Themselves

Fast, Friendly & Fair

Sold mismatched gold earrings and a broken watch. They explained every step clearly and gave me a great price. Left feeling respected, valued, and confident in my decision.

MARCUS BENNETT

Watch & Jewelry Seller
☆☆☆☆☆

Top-Notch Quality!

Every loose diamond I’ve purchased from JS Diamonds has been exactly as described, from clarity to cut. Their reliability helps me meet client demands without stress.

WAYNE SALEM

Founder & Jewelry Specialist
☆☆☆☆☆

Truly Professional

Brought in GIA diamonds and a vintage watch. The appraisal was clear, the offer was strong, and the service felt honest, making the experience smooth and stress-free.

CARLOS HERNANDEZ

Gold & Diamond Seller
☆☆☆☆☆

My Go-To Source

From fancy-shaped stones to certified diamonds, JS Diamonds delivers with precision. Their pricing transparency and quick service have made them my trusted supplier for years.

HAILEE TRIPKE

Jewelry Sales Representative
☆☆☆☆☆

Seamless & Fair

I sold old gold chains and an estate ring. The offer was better than expected, the appraisal was clear, and payment was instant. Truly a smooth, respectful process from start to finish.

LISA GRAHAM

Gold & Jewelry Seller
☆☆☆☆☆

Sell Diamonds New York FAQs

What are the advantages of selling diamonds in New York?
New York City—especially the Diamond District—is one of the most competitive and transparent markets for diamond resale. This means sellers often get better prices due to the sheer number of expert buyers and appraisers. Additionally, the city is home to many GIA-certified gemologists and reputable institutions, which makes the appraisal process more reliable and informed.
How long does it take to sell a diamond in New York?
Selling a diamond can often be completed the same day, especially if you visit an in-person buyer in the Diamond District. The process typically includes an evaluation, an offer, and immediate payment if you accept. Some buyers also provide mail-in or online appraisal services, which may take 2–3 business days. For higher-value diamonds, consignment sales may take longer but can fetch better prices.
What kind of ID or paperwork is needed to sell diamonds in NYC?
To comply with New York’s second-hand dealer laws, you’ll need to present a government-issued ID such as a passport or driver’s license. This helps ensure legal compliance and prevents the resale of stolen goods. Certification for the diamond is not mandatory but is recommended for better valuation.
Can I sell just the diamond, or does it need to be in a setting?
You can sell loose diamonds or diamonds that are set in jewelry. In fact, many buyers prefer loose stones because they can be inspected more thoroughly. If your diamond is in a setting, the buyer may remove it to assess it separately. You may also receive an additional offer for the gold or platinum setting, depending on its weight and purity.
Is the price negotiable when selling a diamond in New York?
Yes, negotiation is very much a part of the diamond selling process in NYC. If you’ve done your homework and know your diamond’s value, don’t hesitate to negotiate. Multiple appraisals can also help you understand the market range and give you leverage when discussing price. Reputable buyers will expect this and should be open to transparent discussions.

Sell Diamonds New York

Want to sell diamonds in New York? The city’s top buyers offer secure, private evaluations and immediate payment options. Whether it’s a single stone or a full jewellery set, professionals in Manhattan’s Diamond District assess each piece with expert care. Most use GIA-based grading standards and offer competitive pricing based on the 4Cs. The process is quick and transparent, with offers made on the spot. New York’s diamond market is one of the most dynamic globally, giving sellers confidence that their diamonds will be accurately valued and fairly priced.