Blue topaz solitaire diamond accent drop on cable chain in 14K high polish white gold. There is one, prong set round topaz (0.16ct), and one, prong set round diamond (0.01ct I2 G). The dimensions of the necklace are 11.2mm x 5.7mm, with an adjustable length of sixteen to seventeen and three quarter inches. The overall weight is 1.3dwt/2.0g. The necklace is finished with a spring ring clasp.