Lot 592. Property of a nobleman. Natural pearl and diamond tiara, late 19th century. Estimate 155,000 — 300,000 CHF. Lot sold 218,500 CHF. Photo Sotheby's 2012

Of foliate scroll design, surmounted with seven drop-shaped natural pearls each in a mount embellished with rose diamonds, graduated in size from the centre, the scroll surrounds set with pear-, cushion-shaped and circular-cut diamonds, the button-shaped pearl at the centre of a cluster motif, inner circumference approximately 380mm, may be detached into eight jewels, three may be worn as brooches, the two larger pear shaped diamonds are later additions, accompanied by a fitted case.

Sotheby's. Magnificent Jewels Geneva | 14 Nov 2012