Top Dollar Paid for Your Gold, Silver, Platinum, Large & Fancy Colored Diamonds, Bullion, Silver Flatware, Rolex Watches, Luxury Watches, Broken Jewelry, Class Rings, Unwanted Gold Jewelry, U.S. Gold Coins, and of course your rare Coin Collections. We will travel to your home or bank to appraise your coin or watch collections. Convenient front door parking, just park and walk right in. Just minutes from the Galleria in the heart of Houston. Buying All Diamonds and Large GIA Certified Diamonds – Call for free quote NOW! The owner specializes in large diamonds, fancy colored diamonds. At Houston Coin Buyers we always are here to buy gold and sell gold in Houston.