Oval Shape 1.50 carat Swiss Blue Topaz Ring Size 7 in Sterling Silver 1.50 carat total weight Gemstone. Swiss Blue Topaz: 1 piece, Oval Shape, 8x6 mm. Gemstone has a nice color. Ring has a top dimension of 3/8 x 7/8 inches and weighs 2.69grams. Retails for over $72.99. Ring features top quality workmanship and a beautiful finish. Ring is in pure Sterling Silver and stamped .925 Includes 100% Money Back Guarantee, Ring Box and FREE SHIPPING Brand: Oravo Design: Gemstone Style: Solitaire Resizable: No Adjustable: No Size/Dimensions: 7 Metal Stamp: .925 Sterling Silver Gem Weight: 1.5