2.85 CT. Lonestar Cut Round Texas Topaz Floating Solitaire Necklace in 14K Yellow GoldAdd a little Texas sparkle to your style with this 2. 85 CT Lonestar Cut Round Texas Topaz necklace, set in radiant 14K yellow gold. The floating solitaire design showcases the one of a kind Lonestar cut, harvested right in Mason, Texas. This one of a kind necklace comes with a certificate of authenticity from Country Collectibles, making it a playful and genuine tribute to Lone Star charm. 2. 85 CT. Round Clear Texas Topaz 8mm stone 18" Diamond Cut