This ring is set with one genuine Oval Opal. This Opal measures 9 X 7 mm and shows a lot of color. There are twelve genuine Round Brilliant Diamonds set in this ring. These diamonds are G color, SI clarity and weigh a total of .12 carat. This ring is 10KT Yellow Gold, weighs 2.2 grams and is a finger size 6 3/4, which can be resized (please inquire about sizing charges with the finger size you need). This ring will also be accompanied by an appraisal with the replacement value of $975.00. I will ship this ring promptly in a beautiful gift box.