2.25 carats total weight Pear Shape London Blue Topaz White CZ Gemstone Necklace in Sterling Silver Stones: Genuine London Blue Topaz: 1 piece, Pear Shape 10x7mm, 2.25 carats total weight White Cubic Zirconia: 8 pieces, Round Shape 4.00mm Gemstones have a deep rich color and tremendous fire. Necklace: 5.20 grams Pure Sterling Silver with .925 stamp Box Style 16 to 18 inch adjustable length, 2 width Approximate Retail Value: $99.99 Necklace features a one of a kind design with a beautiful White Gold finish.