Marquise Shape 1.25 carat Swiss Blue Topaz Ring Size 6 in Sterling Silver 1.25 carat total weight Gemstone. Swiss Blue Topaz: 1 piece, Marquise Shape, 10x5 mm. Gemstone has a nice color. Ring has a top dimension of 1/4 x 3/4 inches and weighs 3.00 grams. Retails for over $69.99. 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: 6 Metal Stamp: .925 Sterling Silver Gem Weight: 1.25