This 10k white gold oval sapphire and diamond swirl ring features a 6x4 mm genuine natural sapphire with a 0.39 ct total weight. Metal Type: white-gold Metal Purity: 10k Gem Type: Sapphire Total Gem Weight: 0.39 ct Total Diamond Weight: 0.01 ct Setting: prongs Length: 0.38 in. Width: 0.38 in. Stone Shape: Oval Stone Total Weight: 0.39 ct Gem Color: Blue Stone Creation Method: natural Stone Treatment Method: Heat-treated Stone Length: 6 mm Stone Width: 4 mm Packaging: FREE Gift Box with Bow