Sz6.25 Estate 18k white gold Jadeite, Diamond ring. Nice old, extremely high quality ring, tested natural diamonds .4cttw, Approx 4ct assymetrical Jadeite stone, no tests have been done to the Jadeite other than to confirm it is Jadeite. Marked and tested 18k gold. Shown on a finger it fits. 4.5 grams.