Roberto Coin diamond solitaire necklace.; Stunning gold necklance with just enough sparkle, pair with any open collar top or dress; 18-karat gold or white gold.; Bezel set, emerald-cut diamond.; 0.17 total diamond carat weight.; All gemstone carat weights (ct. t.w.) are approximate; variance may be 0.05 carat.; Interior of jewelry piece includes signature synthetic ruby detail.; Color/clarity: GH/SI1.; Approx. 18"L; 1.8"L pendant.; Lobster clasp.; Made in USA of Italian material.