The real thing. This monsterous, genuine Blue Topaz rock is a bold and breathtaking piece. Your own status symbol cocktail ring with an emerald cut Blue Topaz stone weighing 18 carats and measuring 18x13 millimeters. Stone is clear and sparkling set in sterling silver. Each stone is hand set. Attention getter and conversation piece! These rings may be resized by your local jeweler. Size 7 ring