An art deco sapphire and diamond clip brooch, by J R Ogden & Sons, circa The tapering openwork plaque of scrolling design collet-set with graduated oval-cut sapphires, brilliant and baguette-cut diamonds, diamonds approx.
A Belle Époque diamond pendant/brooch. Of openwork circular form, the old brilliant-cut diamond collet centre within a rose-cut diamond quatrefoil foliate surround with old brilliant-cut diamond accents and rose-cut diamond border, French marks, circa 190
A beautiful, sparkling icy gem of a brooch with old and rose cut diamonds centred on a single pearl, from that wonderful jewellery period - la Belle Époque, up for auction this week at Bonhams Knightsbridge.
AN ART DECO DIAMOND BROOCH Of geometric design, the octagonal-shaped openwork panel highlighted with circular-cut diamond collets to the old-cut diamond border and rose-cut diamond and trellis centre suspending a stylised tassel, circa