To get started, fill out our short
informational form.

Then you’ll receive a free SAFEPAK
mailer with which to send us your

The shipment is insured against loss
or damage.

Once your appraisal is done (within
24 hours) your materials and send
you a check in return within 24

If you are selling diamond jewelry
with a gold, silver, or platinum setting,
we will include payment for the value

Begin Appraisal

How To Sell Diamonds in St. Louis

If you want to sell a diamond ring in St. Louis, you’ll be happy to know that Diamonds USA offers you an easy and profitable way to accomplish this. An experienced full-service jewelry buyer and an assayer of gold, silver and other precious metals, the Diamonds USA team is dedicated to getting you the best possible price.

We only work with GIA-certified appraisers, as this is the absolute best way to ensure you get the best amount for your diamonds. Many of our clients have been pleasantly surprised to discover just how much their jewelry is worth!

Our process is easy, safe and fast. Just request an appraisal, and we’ll send you an insured SAFEPAK mailer at no cost to you. Then, place your jewelry inside and send. Within 24 hours, you’ll receive an expert appraisal and your payment. It’s that easy!

Where to Sell Jewelry in St. Louis

You may wonder if selling your engagement ring online is the only way to get money for it. Actually, feel free to consult your local listings, and you’ll soon discover that there are lots of St. Louis jewelry buyers that will happily buy your unwanted jewelry.

There are several jewelry stores in the St. Louis area that’ll purchase your unwanted diamonds and other gems. Pawn shops are also gold buyers that allow you to walk in and sell your jewelry.

But these places cannot offer you full value; they have the additional costs of a physical location. But because Diamonds USA lets clients sell diamonds online, there’s no overhead. You’ll not only be able to sell your jewelry to us quickly, but you’ll also get more than any offline buyer with a physical building could offer you. Significantly more, in fact.

Necklace containing chocolate diamonds
Diamond Jewelry Ring on a blue background.

Why Are We the Top Choice to Sell Diamonds in St. Louis?

Diamonds USA is the best diamond buyer in St. Louis, MO. But what are some of the reasons a growing number of clients continue to choose us?

We offer a safe and affordable process. It doesn’t matter what you’re sending to us; we pay for SAFEPAK mailer insurance and shipping, and we track every mailer to make sure it arrives safely.

We give you the most accurate appraisals. Our GIA-certified professionals conduct each and every appraisal, so you can know that your jewelry has been assessed by top experts in the industry.

You’ll get the most for your diamonds. Always. Diamonds USA pays the full material value, whether you send us a single diamond or a jewelry collection. In fact, the prices we offer are typically only reserved for private sales.

It’s easy to begin. Just request your free appraisal kit below!


You can mail in any item that contains
diamonds. These include wedding bands
set in gold, silver or platinum; items that
contain small diamonds, such as watches,
belt buckles, necklaces or rings; loose
diamonds bought on their own or that
may have come from custom-made

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    No risk, no commitment.