MAUBOUSSIN L'Oeuvre Noire" band ring in 750 white gold, partially lacquered in black, set with a line of grain-set small brilliant-cut diamonds, the center set with a brilliant-cut black diamond in a surround of grain-set brilliant-cut diamonds. Signed and numbered CS1855. Gross weight: 10.3 g. - Finger circumference: 55. Minor wear scratches.