1.25 carats total weight Trillion Cut Peridot White CZ Gemstone Necklace in Sterling Silver Stones: Genuine Peridot : 1 piece, Trillion Cut 7.00mm, 1.25 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.