Genuine London Blue Topaz, 6 pieces, Oval Shape, Checkerboard Cut, 7x5mm. Gemstones have a vibrant rich color and eye clean clarity. Pendant is in Sterling Silver with. 925 stamp and measures 1 1/4 x 3/4 inches and weighs 4.00 grams. Pendant features top quality workmanship and a beautiful finish. Includes Free 18 inch Sterling Silver Box Style Chain, Free Ribbon Gift Box and.