Dating from circa 1886, this antique Tiffany & Co. ring is set with an "AGL Classic Kashmir" sapphire, mounted with diamonds in platinum and 18K gold. The oval-cut sapphire weighing 2.67 carats is framed by old mine-cut diamonds with an approximate total weight of 4.75 carat, above an open gallery. Mounted with a gorgeous blue sapphire of geographical and historical value, this classic "Old Mine" Kashmir ring from the 1880s reflects both the global gem-buying reach and power and the elevated taste of this great American jeweler.
