JS Diamonds Inc. operates exclusively from its registered office in New York City, USA. We have no branches or affiliated offices in any other location. Any claims to the contrary are unauthorized.

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Sell Diamonds NYC

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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Sell Diamonds NYC Today

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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JS DIAMONDS INC – Sell Gold In NYC

“NYC’s trusted gold & diamond buyer since 2010. Located in Manhattan’s Diamond District, JS Diamonds Inc. pays cash on the spot for gold, diamonds, engagement rings, wedding bands, fine jewelry & luxury watches. Walk in or book a free consultation — our certified experts evaluate your piece immediately, with no pressure and no obligation. We accept all karats of gold, GIA-certified diamonds, estate jewelry, and luxury timepieces. Same visit. Instant payment. Complete transparency. 📍 580 5th Ave Suite 523 · Mon–Fri 10AM–6PM”
PHONE NUMBER

+1-551-200-3568

EMAIL

info@jsdiamondsinc.com

ADDRESS

580 5th Ave #523, New York,
NY 10036, United States

Customer Testimonials

Reviews That Speak for Themselves

Google Reviews
5.0
Based on 24 reviews
A
Alexavier J
Verified Google Review

Working with Sal was a great experience. He offered us more than the value. Very helpful.

G
George T
Verified Google Review

We had a really good and honest experience with JS Diamonds! Totally recommend them!

R
R Lev
Verified Google Review

I had an excellent experience dealing with J.S. Diamonds. The entire process was straightforward and easy. Communication was clear and prompt throughout. Most importantly, I felt I could trust them completely, and they offered the fairest pricing I found after doing my research. I highly recommend J.S. Diamonds. Great service all around.

D
Daphne BazCoca
Verified Google Review

SIMPLY FANTASTIC! Sal & Jessica (and Lola!) provided the best customer service. In addition to being extremely knowledgeable about the market and the business they conduct, this outstanding team were more than fair when it came to buying the items I brought with me! They took the time to explain to me in a very easy, friendly way how they test for certain materials/metals, the market value of such metals, and pretty much everything I needed to know. I HIGHLY RECOMMEND you come and visit their business right in the heart of Rockefeller Center!

M
Maria
Verified Google Review

Great service. The team is great, excellent customer service. High quality jewelry, great prices. Open to good negotiations. I would 100% recommend visiting them. I scheduled an appointment with them, and as soon as I got there I was taken care of. All the staff is very friendly. Regarding location, amazing building and office in great condition.

C
Carol Robison
Verified Google Review

They patiently evaluated the gold and diamonds that I sold to them and paid more than a fair market price. I highly recommend making an appointment with JS Diamonds first.

S
Sarina
Verified Google Review

Had a great experience selling with JS Diamonds! They were extremely knowledgeable and fair. It was a very easy process with them. Would absolutely recommend!

B
Brandon Saunders
Verified Google Review

First time I met Sal and the staff they were super friendly! Gave me great information and an even better price for my chain. 100% recommend and I WILL BE BACK AS A CUSTOMER!!

V
Vicki Ash
Verified Google Review

Friendly. Wonderful service and got the design spot on — exactly what I wanted.

J
Juanita Mcleod
Verified Google Review

I had an excellent experience with JS DIAMONDS Inc. Sal, Jessica, and the rest of the team were respectful, professional, and made us feel completely comfortable throughout the entire process. Their attention to detail and outstanding customer service truly exceeded our expectations. We're looking forward to doing business with them again in the future and will absolutely recommend JS Diamond's Inc. to other people and businesses we know. Thank you so much for a wonderful experience.

Sell Diamonds NYC FAQs

How do I determine the value of my diamond before selling it in NYC?
The value of your diamond depends on multiple factors known as the 4 Cs—cut, color, clarity, and carat weight. In NYC, where the diamond market is vast and competitive, additional aspects such as certification (like GIA), fluorescence, and market demand are also considered. It’s highly recommended to have your diamond appraised by a professional gemologist who can provide a fair market estimate. Reputable buyers will evaluate your stone transparently and may even offer to verify it against official grading standards.
Is it safe to sell diamonds in New York City?
Yes, NYC is one of the safest and most active places in the world to sell diamonds, especially in renowned areas like the Diamond District. However, safety largely depends on whom you choose to sell to. Legitimate diamond buyers in the city will offer secure transactions, proper paperwork, and verifiable credentials. Avoid cash-only operations without contracts or appraisals. For peace of mind, always read reviews and check licenses before proceeding.
Do I need a GIA or AGS certificate to sell my diamond?
While a certificate from GIA, AGS, or other recognized institutions adds credibility and can help you secure a better price, it is not absolutely necessary. Many buyers in NYC accept uncertified diamonds and conduct their own assessments. However, without a certificate, the evaluation becomes subjective, and the final offer may be slightly lower. If you’re unsure, some buyers offer in-house grading or may suggest sending the stone for certification before finalizing the sale.
What types of diamonds are in highest demand among NYC buyers?
Round brilliant cut diamonds generally remain in highest demand due to their classic appeal and brilliance. Stones ranging from 1 to 2 carats, with decent color (G-H) and clarity (VS1-VS2), tend to sell the fastest. Fancy shapes like ovals and cushions are also becoming more popular. Regardless of shape, certified diamonds with minimal inclusions and strong light performance typically attract the best offers from NYC buyers.
Can I sell a chipped or damaged diamond in NYC?
Yes, even chipped or damaged diamonds have value, especially in NYC’s secondary market. While you might not receive the same price as an intact stone, many buyers consider the resale potential or the diamond's suitability for re-cutting. Be upfront about any flaws and consult a buyer who has experience dealing with estate or recycled diamonds—they can still make you a fair offer based on the stone’s salvageable qualities.

Sell Diamonds NYC

If you're looking to sell diamonds in NYC, trust professionals who offer transparent evaluations, competitive prices, and immediate payouts. Whether you have loose stones, diamond rings, or heirloom jewellery, NYC's diamond district is filled with reputable buyers who assess quality based on cut, clarity, carat, and colour. With high demand and a fast-paced market, sellers in New York can take advantage of excellent rates. Choose a licensed diamond buyer that performs on-the-spot testing and offers no-pressure consultations. Sell with confidence and ease, knowing your diamonds are valued fairly in the heart of New York City.