We Buy Diamonds — Get a Fair, Transparent Offer from Washington’s Trusted Jeweler

Turn your unwanted diamonds into instant, fair value — backed by expertise, integrity, and decades of trusted service.

Whether your diamond is loose, in jewelry, outdated, inherited, or broken, we pay competitive market prices — with a process that’s simple, secure, and respectful.

Why Sell Your Diamond to Mervis?

For over 40 years, Mervis Diamond Importers has been a cornerstone of the Washington, D.C. jewelry community — known for honest offers, expert evaluation, and world-class service.

When you sell to Mervis, you benefit from:

Certified diamond expertise
Transparent pricing based on real market data
No pressure, no obligation to sell
A secure, private evaluation

How It Works

1. Share Your Diamond Details

Tell us about your stone (shape, size, certification, condition). If you’re unsure — no problem. Our experts will guide you.

2. Receive a Competitive Offer

We evaluate your diamond’s quality and market value, then present you with a fair, transparent offer.

3. Choose What’s Best for You

You’re under no obligation to accept. If you do, we complete payment securely and quickly — on your terms.

What Diamonds We Buy

We purchase diamonds in nearly any form:

Loose diamonds
Diamond engagement rings
Diamond jewelry of all settings
Vintage or outdated styles
Broken or mismatched pieces

Certified stones (GIA, AGS) help expedite evaluation, but aren’t required.

Fair Offers You Can Trust

Unlike quick-cash chains or pawnshops, we base valuations on:

Diamond cut, clarity, color, and carat
Current global market pricing
Certified grading reports (when available)

We’re transparent about how offers are calculated — because trust matters.

What to Bring (or Upload)

Your diamond or diamond jewelry
Certification (GIA, AGS, EGL, etc.), if available
Any previous appraisals or receipts

Not sure what you have? Our team will help identify and evaluate your diamond at no cost.