Charleston Gold & Diamond Exchange buys and sells jewelry, diamonds, watches, coins, bullion and scrap metals. If you're looking to sell gold, silver, diamonds, watches, rare coins or jewelry, get the best price in South Carolina. No appointment necessary, receive a quick appraisal and sell any amount/size and type. Shopping for the perfect engagement ring, gift or looking to invest in precious metals? We offer a wide selection of designer jewelry (David Yurman, Cartier, Kendra Scott, Tiffany & Co), vintage watches including Rolexes, rare coins and bullion.