This Beautiful Swiss Blue Topaz is 10x8 mm with a depth of 4.5 mm. It is estimated to be 2.30 carats in weight. The gemstone is oval cut/shape and ready for your setting. This loose gem is nicely faceted and eye clear unless otherwise noted. Our gems are natural genuine and not lab created or cubic zirconia. This is a stock photo and may differ slightly than the photo shows. We try to be as specific as possible but all measurements are approximated. All gemstones may be combined with jewelry purchases for the discount shipping price. If you would like a gemstone holder/case, please see our gift box area to order one.