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

Mondiamo was a breeze to work with...their communication was top notch and the process could not have been any smoother. I highly recommend this company!

— Michael E.

I had limited information about my jewelry and they were still able to work with me. I also appreciated the quick turnaround in looking at my jewelry, providing an offer, and providing payment upon acceptance.

— Katie

The process was very easy, response from Mondiamo was timely, I felt very confident in their service. Everything went as promised from estimate range to check arrival.

— Kathy A.

I truly enjoyed every stop of me selling my diamond ring! They make it completely effortless on your part!... I would highly recommend using Mondiamo.

— Loreen O.

I really appreciate how simple, fast and fair the whole process was. I highly recommend Mondiamo and I can’t say enough about the customer service and how transparent they are.

— Brian S.

I was skeptical at first, but Mondiamo exceeded my expectations at every turn. From the offer process, to the patient customer service, to the website— Mondiamo is the way to go.

— Mathew K.

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.