Women's White 18"
A sparkling diamond necklace in 18K white gold on a delicate chain, by Roberto Coin. 18K white gold. Diamonds:. 40 ct. T. W. Color/clarity: GH/SI. 18"L; drop: 1.25". Lobster clasp. All gemstone carat weights (ct. T. W. Are approximate; variance may be. 05 carat. Interior of jewellery piece includes signature synthetic ruby detail. Gemstone Treatment and Care. Made in Italy. Color: white