Serving all of Rhode Island from 9 locations in and around Providence

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Do you have a childhood coin collection taking up space in a closet? Bring it to Diamond Four C's and turn it into CASH. Our buyers are interested in all types of coins, including inherited family collections, coin jars, and more. Visit any of our 8 area locations for a FREE estimate.

Get instant cash for your coins

Earn MORE for your coins with our great deals

When you come to one of our locations, you'll find a variety of ways to make good money from your old coins. You can earn a 25% extra payout on the weekends, and you can get $25 off when you bring in a referral.


Bring your old coins to the nearest Diamond Four C's location to turn them into usable CASH. You can also sell gold, jewelry, and gift cards! Let us help you get the money you need today.

Call or Visit Our Locations

for a FREE Estimate

for Your Coins


  • Wheat pennies

  • Gold coins

  • Half dollars

  • Silver coins

  • Foreign currency and coins

  • Krugerrands

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Turn collectible coins into useful CASH