5.75 carats total weight Oval Round ShapeMulti-Gemstone Necklace in Sterling Silver Stones: Genuine Swiss Blue Topaz: 4 pieces, Oval Shape 7x5mm Genuine London Blue Topaz: 15 pieces, Round Shape 3.00mm 5.75 carats total weight Gemstones have a deep rich color and tremendous fire. Necklace: 6.50 grams Pure Sterling Silver with .925 stamp Serpentine Style 16 to 18 inch adjustable length, 2 1/4 width Approximate Retail Value: $89.99 Necklace features a one of a kind design with a beautiful White Gold finish.