Gemstones: Genuine London Blue Topaz: 7 pieces, Round Shape 3.00 mm, 0.75 carat total weight. White Cubic Zirconia: 108 pieces, Round Shape 1.75 mm. Gemstones have a deep rich color and tremendous fire. Necklace: 11.00 grams Pure Sterling Silver with .925 stamp, Rolo Style Chain, 20 to 22 inch adjustable length, 1 inch width. Necklace features one of a kind design with a beautiful White Gold finish. 100% Money Back Guarantee. Includes a Signature Gift Box and FREE Shipping. Brand: Oravo Design: Gemstone Style: Chains Resizable: No Adjustable: No Metal Stamp: .925 Sterling Silver Gem Weight: 0.75 Gift Box: Gift Box