Diamond Ring

We help you maximize the value of your diamond

Get an Offer

Sell your diamond jewelry in 4-easy steps

  • Tell us about your diamond icon
    Step 1
    Tell us about your item

    You will be asked to provide us information about your diamond and setting (takes 2 minutes to complete).

  • Get Guaranteed Offer Range icon
    Step 2
    Get a guaranteed offer range

    Based on the info you provided, we’ll email you a price range we commit to paying you before we even see your diamond jewelry (takes 1-2 business days).

  • Send Your Diamond Ring icon
    Step 3
    Send us your item for final evaluation

    Shipping is free, trackable and fully insured. We will even overnight to you all the packing materials.

  • Paid For Your Diamond icon
    Step 4
    Get paid same day

    If you accept our final evaluation, we’ll issue you an immediate payment. Alternatively, we will ship your item back to you, free of charge, no questions asked.

Flying Bird


See What Our Customers Have to Say
  • Christina
    Miami, FL
  • Jean P
    New City, NY
  • Violetta L
    Newington, CT
  • Valentina C
    Miami, FL
  • Ben D
    Cambridge, Ontario Canada
  • Shannon B
    Suamico, WI
  • Kate S
    Noblesville, IN
  • Jeremy P
    Columbus, OH

This process was so easy, it can be an emotional journey when you return a wedding band that is no longer needed. This process made it easy to make that decision and comfortable that it was going back into good hands! Thank you

— Nat A.

I sold a second ring to Mondiamo because of the great service!

— Alissa C.

Thanks to Ann and other team members, this transaction was extremely efficient and pleasant.

— Anonymous

Thank you for the additional funds. We're very satisfied with your process and company!

— David

The interaction with Mondiamo's client care team made me more confident and happy with my decision to sell

— Scott

Wonderful experience

— John B

Not sure about something?

Check out our FAQs or call, text or email us.

We are here to help!

Why sell your Diamond Jewelry to Mondiamo?

  • Experts in the field

    Recommended by Blue Nile, the largest online retailer of certified diamonds and fine jewelry in the world, our team has over 100-years of combined industry experience leveraging a global network to offer you the best value for your engagement ring, diamond jewelry and loose diamonds.

  • Risk free

    Our process is transparent, safe, secure and comes at no cost to you.

  • Quick and easy

    Realize the value of your diamond jewelry from the comfort of your home. No hassles, no bargaining.

  • Environmentally friendly

    We recycle and reuse the diamonds and precious metals we acquire, reducing environmental footprint.

  • Online pure play

    With less overhead than traditional brick-and-mortar buyers, Mondiamo provides you with more value for your diamond jewelry. There are no hidden fees and no additional costs, which means more money for you.