Emerald and diamond necklace by Van Cleef & Arpels, former property of Sita Devi, Maharani of Baroda.

A diamond 'thread' ring, by JAR. Estimate $2,500,000-3,500,000. Diamond 22.76 carats, D color, VVS1 clarity, type IIa. Previously, the piece was a highlight of the 2006 Magnificent Jewels sale at Christie's in New York. Offered from The Collection of Ellen Barkin, it achieved $1,808,000 - well over its high estimate of 1,200,000.
This lot is offered in the 17 April Jewels sale at Christie's in New York.