A diamond and ruby bracelet. Photo courtesy Bonhams.

the polished hinged cuff centering upon scrolling vari-cut diamond plaques, enhanced by oval and round star ruby cabochons; estimated total diamond weight: 10.00 carats; mounted in palladium and platinum; diameter: 1 1/8in. (center plaques can be worn as clips, one diamond deficient). Estimate: US$ 12,000 - 18,000 (€8,800 - 13,000) (£7,500 - 11,000)