Online Shop › Tiffany & Co. 1837 Large 1-inch Sterling Silver Concave Hoop Earrings (Preowned) - 7ty1182 Image 1 of 1 Tiffany & Co. 1837 Large 1-inch Sterling Silver Concave Hoop Earrings (Preowned) - 7ty1182 $350.00 Preowned.Tiffany & Co. 1837 Large 1-inch Sterling Silver Concave Hoop Earrings. Add To Cart Added! Preowned.Tiffany & Co. 1837 Large 1-inch Sterling Silver Concave Hoop Earrings.