A natural pearl and diamond brooch. Estimate US$ 8,000 - 12,000 (€7,400 - 11,000). Photo Bonhams.

designed as an old European and single-cut diamond bow, suspending a drop shaped natural pearl, measuring approximately 10.78mm; estimated total diamond weight: 1.30 carats; mounted in platinum and 18k gold; length: 1 1/4in.

Accompanied by GIA report #2175054735, dated February 26 2015, stating: natural pearl, saltwater.

Bonhams. FINE JEWELLERY, 15 Apr 2015 14:00 EDT - NEW YORK