3.00 carats total weight Oval Shape Swiss Blue Topaz White CZ Gemstone Necklace in Sterling Silver Stones: Genuine Swiss Blue Topaz: 3 pieces, Oval Shape 7x5mm, 3.00 carats total weight White Cubic Zirconia: 36 pieces, Round Shape 1.50mm Gemstones have a deep rich color and tremendous fire. Necklace: 7.70 grams Pure Sterling Silver with .925 stamp Wheat Style 16 to 18 inch adjustable length, 3 3/8 width Approximate Retail Value: $99.99 Necklace features a one of a kind design with a beautiful White Gold finish.