1.50 carats total weight Trillion Cut Swiss Blue Topaz White CZ Gemstone Necklace in Sterling Silver Stones: Genuine Swiss Blue Topaz: 1 piece, Trillion Cut 7.00mm, 1.50 carats total weight White Cubic Zirconia: 8 pieces, Round Shape 1.50mm Gemstones have a deep rich color and tremendous fire. Necklace: 3.50 grams Pure Sterling Silver with .925 stamp Cable Style 16 to 18 inch adjustable length, 2 1/8 width Approximate Retail Value: $69.99 Necklace features a one of a kind design with a beautiful White Gold finish.