Lot 182. A blister pearl and gemstone demi-parure, circa 1900. Estimate GBP 15,000 - GBP 25,000 (USD 19,350 - USD 32,250) © Christie's Images Ltd 2017

Designed as a series of cluster panels, each set to the centre with a blister pearl within a border of oval rubies or pink sapphires interspersed with rose-cut diamonds to the smaller connecting links of similar design, the front suspending a blister pearl pendent drop within a rose-cut diamond-set border with circular-cut ruby accents and diamond-set foliate detail, with earrings and ring en suite, 40.5 cm., 4.8 cm., ring size L ½, mounted in silver and gold  

Accompanied by report no.14243 dated 19 May 2017 from the Gem and Pearl Laboratory, London, stating that five pearls were tested and found to be a mixture of natural hollow shell blister; natural shell blister and filled natural hollow shell blister pearls, all saltwater

Provenance: Lady Spencer was photographed wearing this suite, then The Hon. Mrs Gerald Legge, with her mother, Dame Barbara Cartland, circa 1957.

Christie's. The Collection of Raine, Countess Spencer, 13 July 2017, London, King Street