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A belle epoque aquamarine and diamond brooch/pendant, circa 1910 The openwork cartouche set with rose-cut diamonds and pear-shaped aquamarines, suspending a cicular millegrain-set old brilliant-cut diamond swag centre and terminating in three collet-set rose-cut diamond and pear-shaped aquamarine drops, mounted in silver and gold, diamonds approx. 0.70ct. total, length 6.0cm.
A belle époque diamond sûreté pin, circa 1910 Each finely pierced terminal millegrain-set with cushion and pear-shaped, old brilliant and single-cut diamonds, diamonds approximately 5.00 carats total, length 6.5cm.
An art deco onyx and diamond lapel watch, circa 1925 Set throughout with calibré-cut onyx and old brilliant-cut diamonds, with millegrain detail, the triangular surmount suspending articulated rows of old brilliant-cut diamonds, terminating in a rectangular fob watch, the dial with Arabic numerals and an engraved bezel, diamonds approximately 6.60 carats total, length 11.2cm.
A diamond brooch, circa 1955 The three strands of brilliant and baguette-cut diamonds arranged in the form of a knot and tassel, around a central brilliant-cut diamond, principal diamonds weighing 1.40, 1.26, 1.20 and 0.98 carats, remaining brilliant-cut diamonds weighing approximately 4.50 carats total, baguette-cut diamonds weighing approximately 4.00 carats total, length 7.0cm
A belle époque sapphire and diamond brooch, circa 1905 In the Garland Style, composed of two old brilliant and rose-cut diamond wreaths with millegrain detail, each surrounding a cushion-shaped sapphire drop, connected by a rose-cut diamond fluttering ribbon with oval-cut diamond terminals, diamonds approximately 5.60 carats total, signed Cartier Paris to the edge of the sapphire collet.