14K Yellow Gold Diamond and Blue Topaz Halo Engagement Ring. This ring is set with one natural Radiant Cut Blue Topaz in the center. This Blue Topaz measures 12 X 8 mm and weighs 4 carats. There are fifty-two genuine Round Brilliant Diamonds set in this ring. These diamonds are G color, SI clarity and weigh a total of .40 carat. This ring is 14KT Yellow Gold, weighs 5.2 grams, the top of the ring measures 17 mm along the finger and is a finger size 8, which can be resized (please inquire about sizing with the finger size you need). This ring will be accompanied by an appraisal by a GIA Certified Diamond Grader with the retail replacement value of $1,985.00. I will ship this ring promptly in a gift box.