Tiffany & Co. Art Deco Rock Crystal, Diamond and Sapphire Brooch in Platinum

Of geometric design, the openwork rock crystal plaque accented by black enamel bands with French-cut sapphires, further decorated with lapis lazuli floral carving, highlighted with collet-set single-cut diamonds, mounted in platinum. Signed Tiffany & Co. Dimensions: 58 x 29 mm.