Are you considering selling your diamonds, estate jewelry, watches, fine art, and family heirlooms? We have been the number one continuous highest buyer of all diamonds, estate jewelry, rare coins, and personal property in Southwest Florida for 40 years. We can pay you cash or auction your items to our international clientele. Do business with Gulfcoast Coin & Jewelry. Since 1975. Southwest Florida's gold, silver, diamond, and rare coin exchange.