Tiffany & Co. From right:Yellow sapphireand diamond ringin platinum, $25,000. Blue sapphire and diamond ringin platinum, $115,000.Grossularite and diamond ringin platinum, $16,200.Pink sapphireand diamond ringin platinum, $100,000.
From left:Schlumberger Leaf Cluster platinum and 18K-yellow-goldrubellite and diamond ring, $59,000.Schlumberger Four Flowerplatinum and 18K-yellow-goldindicolite and diamond ring, $54,500. www.tiffany.com
