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AN ART DECO OPAL AND DIAMOND JABOT PIN Designed as a openwork single-cut diamond feather, centering upon a bezel-set rectangular cabochon opal within a calibré-cut emerald surround, joined by a single-cut diamond, calibré-cut emerald and sapphire terminal, mounted in platinum and 18k white gold, circa 1925, with French assay mark and maker's mark

Statement Jewels

AN ART DECO OPAL AND DIAMOND JABOT PIN Designed as a openwork single-cut diamond feather, centering upon a bezel-set rectangular cabochon opal within a calibré-cut emerald surround, joined by a single-cut diamond, calibré-cut emerald and sapphire terminal, mounted in platinum and 18k white gold, circa 1925, with French assay mark and maker's mark

Lalique 1930 'Trefles' Pendant: 6-cm long floral motif opalescent glass, soft triangle-shaped pendant in a later highly enhanced mount including a sapphire, white gold, platinum & diamonds.

Lalique 1930 'Trefles' Pendant: 6-cm long floral motif opalescent glass, soft triangle-shaped pendant in a later highly enhanced mount including a sapphire, white gold, platinum & diamonds.

An Art Deco aquamarine, diamond and ruby clip, the step cut aquamarine measuring 25 x 18 x 12mm in a calibre ruby, baguette, brilliant and trapezoid cut diamond set frame.

An Art Deco aquamarine, diamond and ruby clip, the step cut aquamarine measuring 25 x 18 x 12mm in a calibre ruby, baguette, brilliant and trapezoid cut diamond set frame.

A pair of diamond pendent earrings The triangular-cut diamonds, weighing 2.25 and 2.24 carats, suspended by tapering rows of brilliant-cut diamonds, to a similarly cut diamond surmount, mounted in 18k white gold, remaining diamonds approximately 0.50 carat total, length 3.5cm

A pair of diamond pendent earrings The triangular-cut diamonds, weighing 2.25 and 2.24 carats, suspended by tapering rows of brilliant-cut diamonds, to a similarly cut diamond surmount, mounted in 18k white gold, remaining diamonds approximately 0.50 carat total, length 3.5cm

AN ART DECO SAPPHIRE AND DIAMOND CLIP BROOCH, 1930. The shield-shaped plaque, set to the centre with an oval cabochon sapphire, to tapered shoulders millegrain-set with step-cut sapphires, brilliant- and single- cut diamonds, fitted case.

AN ART DECO SAPPHIRE AND DIAMOND CLIP BROOCH, 1930. The shield-shaped plaque, set to the centre with an oval cabochon sapphire, to tapered shoulders millegrain-set with step-cut sapphires, brilliant- and single- cut diamonds, fitted case.

An enamel and diamond locket/pendant, circa 1910. The circular plaque decorated with green guilloché enamel, highlighted with old brilliant and single-cut diamonds, inscribed to the reverse "My husband Xmas 1911." Diamonds approx. 0.55ct. total, length 4.0cm.

An enamel and diamond locket/pendant, circa 1910. The circular plaque decorated with green guilloché enamel, highlighted with old brilliant and single-cut diamonds, inscribed to the reverse "My husband Xmas 1911." Diamonds approx. 0.55ct. total, length 4.0cm.

Ring by Klára Abaffy. Oxidized Sterling and resin. From her "Matyó" collection that incorporate the traditional Hungarian Matyó embroidery style with modern appearance

Ring by Klára Abaffy. Oxidized Sterling and resin. From her "Matyó" collection that incorporate the traditional Hungarian Matyó embroidery style with modern appearance

A belle époque black opal and diamond pendant necklace, circa 1905 The openwork cartouche, set to the centre with a rectangular cabochon black opal, within a millegrain-set single-cut diamond surround, suspended from a trace-link chain, diamonds approx. 0.70ct. total, lengths: pendant 4.9cm., chain 38.4cm.

A belle époque black opal and diamond pendant necklace, circa 1905 The openwork cartouche, set to the centre with a rectangular cabochon black opal, within a millegrain-set single-cut diamond surround, suspended from a trace-link chain, diamonds approx. 0.70ct. total, lengths: pendant 4.9cm., chain 38.4cm.