Lot 25. An Art Deco jadeite jade, diamond and enamel jabot pin, Cartier, circa 1925. Sold for US$ 30,000 (€25,318). Photo: Bonhams.

set with a carved jadeite jade plaque, measuring approximately 37.6 x 9.4 x 2.9mm, highlighted with single and round brilliant-cut diamonds, with red enamel accents; signed Cartier; estimated total diamond weight: 2.25 carats; mounted in platinum; length: 3 1/8in.