Women's Blue 16"
18K yellow gold/turquoise/diamonds. Diamonds:. 12 ct. T. W. 16"-18" adjustable length; pendant:. 5" width. Spring ring. All gemstone carat weights (ct. T. W. Are approximate; variance may be. 05 carat. Almost all gemstones and black diamonds have been treated to enhance their beauty and require special care. Gemstone Treatment and Care. Color: blue