A natural pearl and diamond necklace and bracelet. Photo courtesy Bonhams.

the necklace, comprising 124 graduated white pearls, measuring approximately 7.03 to 2.68mm., completed by an circular-cut diamond clasp; and a bracelet, comprising three strands of 129 graduated white cultured pearls, measuring approximately 6.91 to 2.80mm., joined by an openwork single-cut diamond clasp, centering an old-cut diamond; bracelet clasp with French assay mark and maker's mark; necklace clasp mounted in platinum; bracelet clasp mounted in platinum and eighteen karat gold; necklace length: 21in.; bracelet length 7 1/4in. Estimate US$ 10,000 - 15,000 (€7,300 - 11,000)

Accompanied by GIA report #1162003474, dated April 4, 2014, stating the pearls in the necklace are: predominantly natural saltwater pearls, no indications of treatment.

Accompanied by GIA report #2165003472, dated April 7, 2014, stating forty two pearls in the bracelet are: predominantly natural saltwater pearls, no indications of treatment, with 3 bead cultured pearls.

Bonhams. FINE JEWELLERY, New York, 17 Jun 2014 11:00 - http://www.bonhams.com/