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NYC Diamond Buyers

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
☆☆☆☆☆

Frequently Asked Questions

What makes NYC a top destination for diamond buyers?
NYC is home to one of the world’s most active diamond markets, particularly around 47th Street in the Diamond District. This concentrated hub allows for competitive offers, access to certified gemologists, and immediate transactions. Buyers here are often better equipped to appraise a wide variety of diamonds and offer market-reflective pricing.
How can I get the most value when selling to NYC diamond buyers?
To maximize your return, bring certification (e.g., GIA), clean your jewelry for presentation, and visit multiple buyers for quotes. It helps to understand your diamond’s basic specs (4 Cs) before visiting. Also, being open to negotiation and knowing your stone’s approximate worth can make a significant difference.
Are appointments necessary when selling to NYC buyers?
While walk-ins are accepted at many stores, setting an appointment ensures you’ll receive individual attention, especially if you're selling high-value or multiple stones. Some buyers also offer private rooms for secure evaluations, which can be important for discreet or large transactions.
Do NYC buyers offer better prices than online platforms?
Often, yes. Local buyers in NYC have access to a fast resale market and may offer more competitive prices. Selling in person also eliminates shipping risks, delays, or middleman commissions that can reduce your final payout on online platforms.
Can I sell diamond jewelry that has sentimental or vintage value?
Absolutely. Many NYC buyers specialise in estate and vintage jewelry. These items may hold value beyond the stone itself due to design, age, or brand. Be sure to work with a buyer who has experience in antique pieces to ensure proper valuation.
NYC diamond buyers make it easy to sell diamonds with professionalism, speed, and top-tier service. Whether you’re in Manhattan, Brooklyn, or Queens, reputable buyers offer free evaluations and no-obligation quotes. Specialists grade diamonds according to carat, cut, clarity, and colour, and payments are issued the same day. Many NYC buyers are GIA-trained and operate out of secure locations in the Diamond District. From engagement rings to investment stones, sellers can trust that their items will be fairly assessed and valued. Selling diamonds in NYC is quick, private, and financially rewarding.