Gemstones: 1 piece Genuine Swiss Blue Topaz, Pear Shape with Checkerboard Top, 12 x 8 mm, 3.25 carats total gem weight, Lagoon Blue Hue with Brilliant Sparkle. Ring: 3.50 grams, Pure Sterling Silver with .925 stamp, Ring features exceptional Design, Craftsmanship and Rhodium finishing. Perfect gift for Mothers Day, Birthdays, Valentines Day, Graduation, Christmas or just about any other occasion. Money Back Guarantee. Includes a Signature Gift Box, style 10536 Brand: Oravo Design: Gemstone Style: Solitaire Occasion: Christmas & Hanukkah Resizable: No Adjustable: No Size/Dimensions: 7 Metal Stamp: .925 Sterling Silver