An elegant and authentic stack ring from Tiffany & Co. It is crafted from 18k yellow gold with a polished finish and features a 4.5mm wide concave design around the entire band with two channel set baguette sapphires. It is signed by the designer with the gold content. Brand: Tiffany & Co. Hallmark: 1997 Tiffany & Co. 750 Sapphire: 0.30ct Material: 18k yellow gold Measurement: 0.19" wide x 0.11" high Ring Size: 6 Weight: 5.8 grams