Gemstone measurements – 8 mm x 8 mm. PLEASE READ THE FOLLOWING INFORMATION! You are aware of this circumstance. The item “GENUINE 3.50 Cts BLUE TOPAZ & DIAMONDS RING 10K YELLOW GOLD NEW WITH TAG” is in sale since Thursday, January 23, 2020. This item is in the category “Jewelry & Watches\Fine Jewelry\Fine Rings\Gemstone”. The seller is “best_offers15″ and is located in Kenilworth, New Jersey. This item can be shipped worldwide.