Center Stone: Genuine London Blue Topaz, Heart Shape, 8mm diameter, 2.25 carats, Caribbean Blue Hue with Brilliant Sparkle. Ring: 2.60 grams, Pure Sterling Silver with .925 stamp, Ring features exceptional Design, Craftsmanship and Rhodium finishing. 100% Money Back Guarantee. Includes a Signature Gift Box & Free SHIPPING, style SR9732 Brand: Oravo Design: Gemstone Style: Solitaire Resizable: No Adjustable: No Size/Dimensions: 9 Metal Stamp: .925 Sterling Silver Gem Weight: 2.25