Genuine 10 Ct Oval Shaped Natural Amethyst Gemstone and 0.02 carat (G-H, I1-I2, Round Single Cut Diamonds) Diamond Oval 15.50x10mm Pendant. An 18 Inch Rolo Chain Necklace Crafted in Rhodium Plating Sterling Silver. Secured With A spring Ring Clasp. Total necklace weight 6 grams. Romantic and passionate amethyst, the traditional birthstone for those born in February, is said to represent courage and inner strength. Amethyst gemstone jewelry makes a thoughtful and personal birthday gift.