An art deco sapphire and diamond clip brooch, by J R Ogden & Sons, circa 1935. The tapering openwork plaque of scrolling design collet-set with graduated oval-cut sapphires, brilliant and baguette-cut diamonds, diamonds approx. 2.85cts total, signed J R Ogden & Sons, length 4.9cm, fitted case
Pair of Art Nouveau Gold, Silver, Plique-a-Jour Enamel and Diamond Wing Hair Clip Ornaments (Doyle New York) The stylized wings of light blue and green plique-a-jour enamel, accented by 2 old-mine and numerous rose-cut diamonds, swivels at clip fitting.
AN ART DECO RUBY, SAPPHIRE AND DIAMOND DOUBLE CLIP BROOCH - Of stylised figure-of-eight design, the openwork bombé frame pavé-set with brilliant-cut diamonds, to the baguette-cut diamond and sapphire centre, further set with opposing calibré-cut ruby and sapphire rosette motif highlights, circa 19
An aquamarine and diamond brooch, circa 1910 The stylised snowflake set with pear-shaped aquamarines, within an old brilliant and rose-cut diamond openwork surround, diamonds approx. 0.65ct. total, length 3.1cm.