This is a high polished 10k yellow gold ring with a white gold oblong plate prong set with 10 natural round diamonds. These diamonds are I in color SI1-2 in clarity and measure 2.2 mm round for a. 40 carat by calculation. This ring is hallmarked 10k with a JC inside a triangle. This is a large ring size 13.25 and weighs 5.1 grams.