Blue plique-à-jour enamel ring in 18K white gold. Signed SA-P for Solange Azagury-Partridge, with English hallmarks. The retail price is £5800 (approximately $7500). Plique-à-jour is a difficult enameling process in which enamel is applied to an area with no backing instead of onto metal. The result is the enamel is transparent or translucent.
