Shapely and stunning. This necklace, with its pentagon motif, brings faceted aqua-colored agate (28 ct. t.w.) to new fashion heights. Set in 14k gold. Approximate length: 18 inches. Approximate drop: 1-1/5 inches. Approximate drop width: 1-1/8 inches. 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.