This 10k white gold pear blue topaz and diamond ring features a 7x5 mm genuine natural blue topaz with a 0.76 ct total weight. Metal Type: white-gold Metal Purity: 10k Gem Type: Blue Topaz Total Gem Weight: 0.76 ct Total Diamond Weight: 0.02 ct Setting: prongs Length: 0.38 in. Width: 0.38 in. Stone Shape: Pear Stone Total Weight: 0.76 ct Gem Color: Blue Stone Creation Method: natural Stone Treatment Method: Irradiated Stone Length: 7 mm Stone Width: 5 mm Packaging: FREE Gift Box with Bow