Stunning 18k gold ringfeaturing an untreated natural jadeite jade oval cabochon, measuring approximately 20.4 x 15.0 x 6.2mm, and weighing an estimated 16.5 carats, translucent with beautifulgrass green color. framed by 16 bezel-set round brilliant-cut diamonds weighing together approximately 0.32-ct. The ring weighs 17.5 grams, and is currently size 6 3/4, with easy adjustment up or down, Accompanied by Gubelin report #11120040. A rare find! Gubelin Oval Type A Jadeite Jade and Diamond Ring