If you don't want it or wear it, sell it to Harper's Coins, Diamonds, Jewelry. We buy - sell - trade. We are located in the Greentree Square on route 73 in Marlton, NJ. We are closest to TGIFriday's. The Whole Foods Market is at the north end of the shopping plaza. Our store is an eclectic selection of merchandise that merits attention: Diamonds Gold Silver Jewelry Silver Coins United States Commemorative Coins United State Proof & Mint Sets Foreign Coins United States Currency Foreign Currency Paintings Objects of Art We have a wide selection of genuine .925 sterling silver jewelry. We have an extensive collection of GIA certified stones from small more demure every day diamonds, to special occasion diamonds, to large investment diamonds (10 carats & above) available. We offer jewelry repair & watch battery replacement.