Ceylon Color-Change Sapphire, Diamond, Gold Ring, Julius Cohen The ring features a cushion-shaped sapphire measuring 16.70 x 13.40 x 12.27 mm and weighing 28.09 carats, enhanced by square step-cut diamonds weighing a total of 3.71 carats, set in 18k gold, marked Julius Cohen. An AGL report # 1110751, dated October 28, 2020, stating Natural Corundum, Color-Change Sapphire, Violetish Blue to Pink-Purple, Degree of Color Change Strong, Origin Ceylon (Sri Lanka), No Gemological Evidence of Heat, Clarity Enhancement None, accompanies the center stone. Gross weight 31.22 grams. Size: 6 (not sizeable) Property from the Joanna M. Champlin Trust HID03101062020 © 2020 Heritage Auctions | All Rights Reserved