An Art Deco rock crystal, enamel, diamond, and synthetic sapphire pendant, Cartier
the geometric design centering a tablet of foliate reverse intaglio rock crystal, further centering a bezel-set rectangular-cut synthetic sapphire, embellished throughout with circular-cut diamonds, with blue enamel and eighteen karat gold trim.
Length: 2 7/8 in.; Width: 1 1/4 in.
Sold for $17,500 (buyer's premium included)