This 10k white gold oval amethyst and diamond ring features a 7x5 mm genuine natural amethyst with a 0.45 ct total weight. Metal Type: white-gold Metal Purity: 10k Gem Type: Amethyst Total Gem Weight: 0.45 ct Total Diamond Weight: 0.02 ct Setting: prongs Length: 0.38 in. Width: 0.38 in. Stone Shape: Oval Stone Total Weight: 0.45 ct Gem Color: Purple Stone Creation Method: natural Stone Treatment Method: Heat-treated Stone Length: 7 mm Stone Width: 5 mm Packaging: FREE Gift Box with Bow