14 ct. white gold. The natural Fancy Diamond in old cut of fine brilliance in high prong setting approx. 11.50 - 12 ct. FancyLightYellow.vs1-2 (approx. 14.8 -14.7 mm). Proportions good, symmety and polish good, UV fluorescence very slightly blue. Size 55, weight approx. 8.2 g. Details according to report of the Gemmologisches Institut Hamburg form November 2015.