Serving all of Rhode Island from 9 locations in and around Providence
24 Hour Service
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.
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.
Foreign currency and coins