Suncoast Gem Laboratory is the only Accredited Gemological Laboratory on the Gulf Coast of Florida and Tom Seguin is the only Master Gemologist Appraiser on the Gulf Coast. Since 1986 Suncoast has been offering Diamonds, Gemstones and Jewelry of all types for just above wholesale cost. We offer loose diamonds of all shapes and GIA certified diamonds. In addition to all of the diamonds we provide, we also offer gemstones and jewelry of all types. We offer gold and platinum jewelry including engagement rings, wedding rings, diamond tennis bracelets, diamond earrings, diamond pendants and necklaces. We can make a custom designed, one of a kind piece or we can provide the classic, timeless treasures that have been in style forever.