Skip to content

Harry Winston Authentication Service

Expert authentication for Harry Winston jewelry. Upload photos, receive a certified verdict in as little as 2 hours.

Harry Winston founded his New York jewelry house in 1932 and became known as the King of Diamonds. He donated the Hope Diamond to the Smithsonian in 1958, and the house remains known for diamond jewelry with nearly invisible settings.

99.3% accuracy rate Dual expert review From $30 Certificate included

How Harry Winston authentication works

01

Upload photos

Submit clear images of your Harry Winston jewelry from all required angles.

02

Expert review

Two or more Harry Winston specialists examine your item against known authentic examples.

03

Get your certificate

Receive your verdict and Certificate of Authenticity by email within your chosen turnaround.

What we examine on your Harry Winston jewelry

Our specialists cross-check every submission against known authentic Harry Winston examples. These are the checkpoints we review from your photos:

Overall pictureKey check
Brand logoKey check
Engravings close up (Macro Image)Key check
Precious Metal MarkKey check

Harry Winston authentication pricing

Pricing varies by item type. All options include a Certificate of Authenticity.

Item type24h12h2h
Jewelry$30$40$55

Optional add-ons: Market Valuation (+$10), Item Identification (+$5)

Why choose LuxeDetect

Certified experts

Every item is reviewed by two or more authentication specialists with years of brand-specific experience.

Fast turnaround

Standard results in 24 hours. Need it faster? Express 12h and 2h options available.

Certificate of Authenticity

Receive a shareable digital certificate with a unique ID — accepted by buyers, platforms, and insurers.

No result, money-back guarantee

If our experts can't reach a verdict on your item, you get a full refund.

Your Certificate of Authenticity

Every Harry Winston verdict comes with a digital certificate carrying a unique ID. Share it with buyers, marketplaces, or insurers — anyone can verify it on our site in seconds.

  • Clear verdict: authentic or counterfeit
  • Unique certificate ID with online verification
  • Issued for both outcomes — proof either way
Verify a certificate

Trusted by collectors and resellers

Real reviews from customers who authenticated with LuxeDetect.

All reviews
OL
Olov Lindstrom
Pre-purchase verification
Excellent service

Used it for a pre‑purchase check by sending clear close‑up photos. Great to have an independent opinion — definitely worth it.

NC
Nicole Chang
Luxury handbag authentication
Authentic and personal experience

Kind, personalized emails that never feel like spam. The report was clear, detailed, and easy to understand. I trust the verdicts.

EH
E H
Authentication verdict
Trusted, detailed, and honest

The communication was quick and the verdict came with clear reasoning. It helped me make a decision with confidence.

Frequently asked questions

Ready to authenticate your Harry Winston?

Upload your photos and get a certified verdict in as little as 2 hours.

Read customer reviews