Art Deco Platinum and Diamond Bow Brooch  Antique & Vintage Jewelry at www.rubylane.com #rubylane @rubylanecom

Art Deco Platinum and Diamond Bow Brooch Antique & Vintage Jewelry at www.rubylane.com #rubylane @rubylanecom

An art deco diamond and emerald bow brooch, circa 1925 The stylised ribbon bow with pierced and millegrain detail, set throughout with rows of old brilliant-cut diamonds and french-cut emeralds, a larger collet-set old brilliant-cut diamond at the centre, diamonds approximately 3.25 carats total, partial French maker's mark, partial French assay mark.

An art deco diamond and emerald bow brooch, circa 1925 The stylised ribbon bow with pierced and millegrain detail, set throughout with rows of old brilliant-cut diamonds and french-cut emeralds, a larger collet-set old brilliant-cut diamond at the centre, diamonds approximately 3.25 carats total, partial French maker's mark, partial French assay mark.

Art Deco Platinum, Emerald, and Diamond Brooch, set with an emerald-cut emerald measuring approx. 8.20 x 6.10 x 4.30 mm, further set with baguette-, old European-, single-, and fancy-cut diamonds, approx. total diamond wt. 3.00 cts., fancy-cut emerald accents, millegrain details, lg. 2 1/8 in.

Art Deco Platinum, Emerald, and Diamond Brooch, set with an emerald-cut emerald measuring approx. 8.20 x 6.10 x 4.30 mm, further set with baguette-, old European-, single-, and fancy-cut diamonds, approx. total diamond wt. 3.00 cts., fancy-cut emerald accents, millegrain details, lg. 2 1/8 in.

An Art Deco diamond brooch, Cartier, circa 1925. The pavé-set surmount supporting articulated plaques set with circular-, single-, square-cut and baguette diamonds, and a briolette drop, detachable brooch fitting, signed Cartier, French assay marks.

An Art Deco diamond brooch, Cartier, circa 1925. The pavé-set surmount supporting articulated plaques set with circular-, single-, square-cut and baguette diamonds, and a briolette drop, detachable brooch fitting, signed Cartier, French assay marks.

An emerald and diamond brooch/pendant, ca 1915. Centrally-set with an old brilliant-cut diamond within an openwork quatrefoil set with alternating rows of calibré-cut emeralds and rose-cut diamonds, accented with circular-cut emerald and single-cut diamond flowers, principal diamond approx. 0.85ct, by amelia

An emerald and diamond brooch/pendant, ca 1915. Centrally-set with an old brilliant-cut diamond within an openwork quatrefoil set with alternating rows of calibré-cut emeralds and rose-cut diamonds, accented with circular-cut emerald and single-cut diamond flowers, principal diamond approx. 0.85ct, by amelia

Circa 1925, an Art Deco ring by Tiffany Co., featuring emeralds and diamonds set in platinum.

Circa 1925, an Art Deco ring by Tiffany Co., featuring emeralds and diamonds set in platinum.

An art deco diamond, sapphire and platinum brooch, circa 1915 the ribbon brooch set throughout with single and old European-cut diamonds and accented with calibré-cut sapphires; estimated total diamond weight: 2.25 carats; length: 3¾in.

An art deco diamond, sapphire and platinum brooch, circa 1915 the ribbon brooch set throughout with single and old European-cut diamonds and accented with calibré-cut sapphires; estimated total diamond weight: 2.25 carats; length: 3¾in.

Bees: Art Nouveau gold and pearl enamel #bee brooch, circa 1900, France.

Bees: Art Nouveau gold and pearl enamel #bee brooch, circa 1900, France.

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