A pair of diamond clip brooches, by Ostertag. Photo Christie's Image Ltd 2014 Each clip designed as a stylized scroll set with brilliant and baguette-cut diamonds, can be attached together with an additional brooch fitting to form one brooch, 1930s, each...

A pair of diamond clip brooches. Photo courtesy Bonhams. Each openwork plaque of beaming and scrolling design, set throughout with baguette and brilliant-cut diamonds, diamonds approx. 9.80cts total, length 6.5cm (2). Estimate £5,000 - 7,000 (€6,000 -...

A pair of diamond clip brooches, by Cartier, circa 1950 Of opposing looped ribbon scroll design, each tapered ribbon with pierced detail and scalloped borders, set with rows of brilliant-cut diamonds, diamonds approximately 14.50 carats total, signed...