A diamond and freshwater cultured pearl brooch, Ruser. Photo courtesy Bonhams.

designed as two pavé-set diamond humming birds, with cultured freshwater pearl wings and onyx cabochon eyes; signed Ruser; estimated total diamond weight: 3.50 carats; mounted in eighteen karat gold plated platinum; length: 1 3/4in. (one diamond deficient). Estimate US$ 2,500 - 3,500 (€1,800 - 2,600)

Property from the Estate of Onnalee Olson Doheny

Bonhams. FINE JEWELLERY, New York, 17 Jun 2014 11:00 - http://www.bonhams.com/