White gold tanzanite diamond ring. The 18 karat white gold ring contains a single cushion cut periwinkle colored tanzanite that is set in a two row diamond halo design atop a split shank with a single row in each side of the split which also contains round brilliant cut diamonds. The tanzanite measures 13 mm in length X 10.4 mm in width X 7.2 mm in depth for an actual weight of 8 carats. The tanzanite has very good intensity, saturation and hue. The surrounding diamonds as well as the diamonds in the shank weigh 0.84 carats total and are prong set. The ring is size 6.5.