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