A ruby and diamond panther brooch.

A ruby and diamond panther brooch. photo Bonhams

Modelled as a crouching panther, the body pavé-set with brilliant-cut diamonds and lozenge-shaped ruby spots, the eyes set with circular-cut emeralds, wearing a calibré-cut ruby collar, mounted in 18 carat yellow gold, rubbed maker's mark, UK import marks, length 7.1cm. Estimate: £4,000 - 6,000

Bonhams. Fine Jewellery, 21 Apr 2010. New Bond Street www.bonhams.com