Ceylon Yellow Sapphire, Ruby, Diamond, Platinum, Gold Brooch The brooch features a cushion-shaped yellow sapphire measuring 13.00 x 11.00 mm, enhanced by freeform polished rubies measuring 4.00 x 2.70 mm - 5.30 x 5.60 mm, framed by full-cut diamonds weighing a total of approximately 1.55 carats, set 14k and 18k gold, having platinum accents. An AGL report # 1112430, dated February 4, 2021, stating Natural Corundum, Natural Yellow Sapphire, Ceylon (Sri Lanka), Heat Enhancement None, accompanies the center stone. Gross weight 21.16 grams. Dimensions: 1-5/8 inches x 1-7/16 inches HID03101062020 © 2020 Heritage Auctions | All Rights Reserved