Online Shop › Tiffany & Co. Etoile 18K Yellow Gold Emerald Band Ring (Preowned) - 7ty1141 Image 1 of 3 Image 2 of 3 Image 3 of 3 Tiffany & Co. Etoile 18K Yellow Gold Emerald Band Ring (Preowned) - 7ty1141 $2,500.00 Preowned.Tiffany & Co. Etoile 18K Yellow Gold Emerald Band Ring. Add To Cart Added! Preowned.Tiffany & Co. Etoile 18K Yellow Gold Emerald Band Ring.