An Art Deco enamel and diamond brooch, European, 1920s. An openwork quatrefoil brooch with floral and foliate motifs set with old European- and rose-cut diamonds and decorated with green enamel, mounted in platinum and gold.
An Art Deco enamel and diamond plaque ring, the pierecd oblong panel with scalloped ends, pavé set with graduated brilliant-cut diamonds, centred by two baguette-cut diamonds, flanked by two old brilliant-cut diamonds estimated to weigh a total of approximately 0.6 carats, all millegrain set to a platinum mount with black enamel detail to the sides, to a pierced cheniered gallery, gross weight 3.7 grams, circa 1930.
Pair of Art Deco Platinum Black Onyx Black Enamel Diamond and Carved Jade Pendant-Earrings France. Topped by 2 square-shaped sugarloaf cabochon black onyx joined by tapered black enamel loops and black enamel circles flanked by diamond-set bands suspending 2 fancy-shaped carved jade plaques with French assay marks circa 1920.
Art Deco Diamond and Coloured Diamond Brooch/Pendant.An important diamond and coloured diamond brooch pendant, of Art Deco design, representing a vase of flowers on a pedestal in front of a fountain of water cascading downward, the vase and pedestal are set with coloured diamonds of various cuts and hues including fancy pink and fancy blue, the cascade set with brilliant-cut and baguette-cut diamonds mounted in platinum, retractable pendant loop fittings.