A pair of natural pearl and diamond ear clips, by Bvlgari. Estimate $150,000 – $200,000. Photo Christie's Image Ltd 2015.

One set with a natural light gray button pearl, measuring approximately 12.50 x 12.25 x 11.79 mm and the other set with a natural semi-baroque button pearl, measuring approximately 12.75 x 12.43 x 11.30 mm, within a two-tiered marquise-cut diamond surround, mounted in 18k gold, in a BVLGARI navy leather box. Signed BVLGARI

With report 1142945440 dated 27 August 2014 from the Gemological Institute of America stating that the light gray button pearl is a natural saltwater pearl. No indications of treatment

With report 2155545619 dated 27 August 2014 from the Gemological Institute of America stating that the semi-baroque button pearl is a natural saltwater pearl. Treatment: Worked base

Christie's. MAGNIFICENT JEWELS, 14 April 2015, New York, Rockefeller Plaza