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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Diamond Buyers Greenwich NYC

Diamond Buyers Greenwich 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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Diamond Buyers Greenwich NYC Today

Diamond Buyers Greenwich NYC – JS Diamonds brings over 10+ years of industry expertise and serves 2,500+ retail accounts nationwide. As trusted diamond buyers serving the Greenwich NYC area, we provide accurate, transparent, and stress-free evaluations for loose diamonds, engagement rings, estate jewelry, heirloom pieces, and luxury watches.

Operating from New York City’s renowned Diamond District, our specialists assess each diamond based on cut, color, clarity, and carat weight to ensure a fair market offer aligned with current pricing trends.

For added convenience, our virtual consultations allow Greenwich NYC clients to connect securely with our experts from anywhere while still receiving the professional guidance JS Diamonds is known for.

Ready to work with experienced Diamond Buyers Greenwich NYC clients trust?
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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.

GET AN OFFER

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 silver 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?

Rooted in New York’s diamond district, we provide a discreet, transparent, and expert-led experience for those looking to sell diamonds, gold, and fine jewelry.
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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.

Diamond Buyers Greenwich NYC FAQs

How do I choose reliable diamond buyers in Greenwich NYC?
Reliable diamond buyers in Greenwich NYC are licensed, insured, and known for transparent appraisals with positive customer feedback.
Do diamond buyers in Greenwich NYC purchase loose stones and jewelry?
Yes, diamond buyers in Greenwich NYC purchase both loose stones and diamond jewelry, including rings, earrings, and pendants.
How do diamond buyers in Greenwich NYC value diamonds?
Diamond buyers in Greenwich NYC use the 4 Cs—cut, color, clarity, and carat weight—alongside current market rates.
Can I sell engagement rings to diamond buyers in Greenwich NYC?
Absolutely. Diamond buyers in Greenwich NYC regularly purchase engagement rings and other bridal jewelry.
Do diamond buyers in Greenwich NYC pay immediately?
Many diamond buyers in Greenwich NYC offer same-day payments via cash or bank transfer after appraisal.

Diamond Buyers Greenwich NYC

Diamond Buyers Greenwich NYC provide professional and discreet services for loose stones, engagement rings, and fine diamond jewelry. Trusted Diamond Buyers Greenwich NYC base every appraisal on industry grading standards and current market conditions to ensure fair and competitive offers. Whether upgrading your jewelry collection or liquidating valuable assets, experienced Diamond Buyers Greenwich NYC make the process smooth, secure, and efficient. Many offer same-day transactions, delivering a confidential and rewarding experience from evaluation to payment.