Gemstone Genuine Swiss Blue Topaz 0.50 carat Round Cut, 1 pc, 5.00mm vibrant color clean clarity Pendant pure sterling silver stamped .925 1.38 grams Length from bail to bottom: 1 inch Includes 18 inches Silver Chain modern design with gemstone in bezel setting includes a gift pouch . Excellent Craftsmanship. Unique one of a Kind Design.