Lot 175. Natural pearl and diamond pendant-brooch, circa 1910 and later. Estimate 8,000 — 12,000 GBP. Lot sold 10,000 GBP. Photo: Sotheby's

Suspending a detachable pendant set with a natural pearl measuring approximately 18.8 x 18.7 x 15.6mm, and a smaller pearl, the surmount of plume design, millegrain-set with variously cut diamonds, accompanied by a fine link chain, length approximately 470mm, later brooch and pendant fittings.

Accompanied by GIA report no. 5101992546, stating that the largest pearl was found to be natural, freshwater.

Please note that the smaller pearl has not been tested for natural origin.