A natural pearl and diamond ring. Estimate US$ 15,000 - 20,000 (€13,000 - 18,000). Photo Bonhams.

centering a natural light gray pearl, measuring approximately 10.49mm, within an old European-cut diamond surround;estimated total diamond weight: 2.00 carats; mounted in 14k gold; size 7 3/4

Accompanied by GIA report #1172125598, dated May 5, 2015, stating the pearl as: natural saltwater, no indications of treatment.

Bonhams. FINE JEWELLERY, 22 Jun 2015 13:00 EDT - NEW YORK