Gram Weight: 4.2 Grams. Powered by SixBit's eCommerce Solution. The item "CERTIFIED $10,000 2.50ct Natural NO HEAT Blue Sapphire Diamond 14k Gold Ring" is in sale since Friday, June 8, 2018. This item is in the category "Jewelry & Watches\Fine Jewelry\Fine Rings\Gemstone".The seller is "oldtreasures333" and is located in American Fork, Utah. This item can be shipped worldwide.