Lot 78. Sapphire and diamond necklace. Estimate 65,000 — 75,000 CHF. Photo: Sotheby's. 

Designed as two rows of oval and cushion-shaped sapphires alternating with floral motifs highlighted with brilliant-cut diamonds, the front supporting a pendant set with a cushion-shaped sapphire, length approximately 335mm, pouch stamped Fred Leighton.