Polish your look with vibrant purple. Cushion-cut and round-cut amethyst (8-1/2 ct. t.w.) sit in a polished 14k gold setting. Approximate drop: 1 inch. Almost all gemstones and blue and black diamonds have been treated to enhance their beauty and require special care. All gemstone carat weights (ct. t.w.), if mentioned, are approximate; variance may be .05 carat.