Want To Sell Your Diamonds, Gold, Jewelry or Watch?
Diamond
Gold
Jewelry
Watch
YEARS OF EXPERIENCE
CLIENTS ACROSS SECTORS
CLIENT RETENTION RATE
DIAMONDS HANDLED ANUALLY
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.
Welcome To JS Diamonds Inc.
Backed by years of industry expertise, JS Diamonds Inc. is a premier name in the world of diamonds, recognized as one of the most trusted wholesale manufacturers and buyers in the market.
Whether you’re looking to buy or sell, our process is designed to be seamless, secure, and stress-free. With decades of experience and a deep-rooted reputation for integrity, we offer sellers a smooth, transparent journey from initial consultation to competitive, obligation-free offers.
At JS Diamonds Inc., we’re committed to honest valuations, strong relationships, and tailored solutions that reflect the needs of today’s sellers backed by the expertise of a team that truly understands the value of what you own.
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.
TRUSTED PARTNERS
Book A Consultation
Schedule a one-on-one consultation, virtual or in-person,
for trusted, personalized guidance at every step.
Customer Testimonials
Reviews That Speak for Themselves
Sell Your Diamonds, Gold & Jewelry in New York City
Our Location: 580, 5th Avenue, Suite 523, New York, NY 10036, USA
Our Blogs & Insights
Insights, Stories, and Everything in Between
Key Highlights Gold purity is measured in karats (K), with 24K being 99.9% pure gold and 10K being 41.7% pure gold. Higher karat gold commands a...
JS Diamonds Inc Mar 12, 2026 
Key Highlights Gold value is determined by three factors: karat (purity), weight in grams, and the current live spot price of gold. The melt value...
JS Diamonds Inc Mar 12, 2026 
Key Highlights Real gold does not tarnish, corrode, discolor skin, or react to a magnet under standard conditions. Karat stamps (10K, 14K, 18K) and...
JS Diamonds Inc Mar 2, 2026