Sotheby's displays, November 5, three rings a 22.06 carat (L) a 16.57 carat ruby (C) and an intense yellowish green 3.07 carat diamond (R) next to a 17 Centimeter blue bracelet made out of sapphires and diamonds with seven octogonal step-cut sapphires graduating in size and estimated to be worth 550,000 U.S. dollars. Sotheby's will action the jewelry between November 17 - 19 in Geneva.