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A moonstone, sapphire and diamond pendant necklace, circa 1915 The lozenge-shaped plaque, centrally-set with an oval-shaped moonstone cameo carved to depict Christ, within a single-cut diamond border, to a further surround of foliate carved moonstones, highlighted with calibré-cut sapphires, old brilliant, single and rose-cut diamonds, to a fetter-link chain, diamonds approx. 0.70ct total, French assay mark,

A BELLE EPOQUE SAPPHIRE AND DIAMOND NECKLACE, BY CARTIER. The cushion-shaped sapphire set in a pavé-set diamond surround, with a rectangular-cut diamond surmount, to the calibré-cut sapphire and single-cut diamond line chain, four additional chain links, 1910s.

AN ART DECO SAPPHIRE AND DIAMOND PENDANT The central oval-shaped sapphire within an old-cut diamond cluster surround, to the calibré-cut sapphire scalloped border, circa 1920, pendant 3.0 cm long, with brooch fittings by shawna

An aquamarine and diamond pendant necklace, circa 1890 The old brilliant and single-cut diamond cartouche, centrally set with an oval mixed-cut aquamarine, to a rose-cut diamond suspensory loop and a trace-link chain, diamonds approx. 3.00ct total, originally a brooch/pendant, brooch fitting deficient, lengths: pendant 5.2cm, chain 42.4cm

A sapphire and diamond brooch, circa 1915 The openwork ellipse set with calibré-cut sapphires, old brilliant and rose-cut diamonds, with additional pierced foliate decoration millegrain-set with similarly cut diamonds and crescent-shaped sapphires, diamonds approximately 3.40 carats total, width 5.3cm., cased by Hennell, Southampton St, London by LiveLoveLaughMyLife

RUBY, PEARL AND DIAMOND PENDANT NECKLACE, CIRCA 1910. The open work lozenge-shaped pendant designed as a knife-edge lattice millegrain-set with circular-, single-cut and cushion-shaped diamonds and articulated pear-shaped rubies, suspending a diamond capped pearl drop, embellished by two tied ribbon motifs highlighted by rose- and single-cut diamonds, to a fine curb and fetter link chain, length approximately 464mm.

Emerald, diamond, onyx and sapphire pendant-necklace, Mauboussin, circa 1925. The pendant set with a cushion-shaped emerald weighing 25.50 carats, framed by calibré-cut emeralds and old European-cut, pear-shaped, marquise-shaped and baguette diamonds, anchored by 2 articulated fringes set with emerald-cut and baguette diamonds, calibré-cut emeralds and onyx segments, accented with old European-cut diamonds, sapphires and emeralds, total diamond weight approx 13.95 carats. Via Sotheby’s.

MOONSTONE, RUBY, PEARL AND DIAMOND BROOCH/PENDANT, CIRCA 1900. Designed to the centre as an oval cluster centring on a cabochon moonstone within surrounds of calibré-cut rubies and scalloped millegrain-set single-cut diamonds, within a frame in the garland style composed of flower heads and foliage set with single- and circular-cut diamonds, suspended from two rows of alternating seed pearls and collet-set circular-cut diamonds, to a similarly-set stylised foliate surmount, fitted case.

An early 20th century sapphire and diamond brooch pendant The openwork plaque of fine knife-wire, millegrain set brilliant and single-cut diamond detail, its centre issuing a stylised scroll of similarly set diamonds and calibré-cut sapphires, to an oval mixed-cut sapphire drop, diamonds approx. 4.00ct. total, length 8.0cm.

An Art Deco emerald, sapphire & diamond dress ring. The elongated octagonal cartouche, collet-set with a line of alternating circular-cut sapphires & rectangular-cut emeralds, within a border of calibré & circular-cut emeralds, accented by cushion-shaped diamond finials, between similarly-shaped diamond & circular-cut sapphire scrollwork shoulders, diamonds approx 1.05 cts total.

Art Deco, Platinum, Aquamarine, and Diamond Pendant, bezel-set with a pear shaped aquamarine measuring approx. 17.80 x 8.60 x 5.35 mm., framed by single-cut diamond melee and french-cut synthetic sapphires, suspended from trace-link chain with bezel-set old mine-cut diamond melee, approx. total diamond wt. 2.03 cts., completed by a navette shaped clasp, millegrain accents, lg. 30 1/2 in.

A demantoid garnet and diamond pendant necklace, circa 1905 The collet-set old brilliant-cut diamond within a finely pierced articulated surround of ribbon and knife-edge bar design set throughout with cushion-shaped and single-cut diamonds, highlighted with circular-cut demantoid garnets in collet-settings and suspending an oval-cut demantoid garnet drop, to a trace-link chain, principal diamonds approx. 0.75ct, remaining diamonds approx. 0.85ct total, lengths: pendant 3.9cm, chain 46.8cm

PLATINUM, SAPPHIRE AND DIAMOND BRACELET, CIRCA 1925. Set with old European-cut and single-cut diamonds weighing approximately 3.30 carats, accented by calibré-cut sapphires

An early 20th century sapphire and diamond 'en tremblant' brooch The brooch modelled as a spray of cornflowers, the central oval-cut sapphire with diamond tipped stamen surround, old round brilliant-cut diamond petals, issuing four oval-cut sapphire and rose-cut diamond set buds, the foliage with diamond detailing, length 85mm, the sapphires estimated to weigh approximately 4.30cts in total

An Art Deco moonstone & diamond pendant The tapering pierced plaque with fan-shaped surmount millegrain-set throughout with old brilliant & single-cut diamonds, suspending a circular cabochon moonstone within a rose-cut diamond border, diamonds approx 1.30cts total, length 5.6cm.

Christie’s Magnificent Jewels – Art deco sapphire diamond pendant Designed as a flexible square-cut sapphire tapered panel, set at the center with an old European-cut diamond within a single and old European-cut diamond surround, to the single and old European-cut diamond scalloped trim, mounted in platinum, circa 1920, with hoop for suspension

A pair of coral and diamond pendent earrings Each coral corallium rubrum drop, capped to the front by rose-cut pear-shaped and brilliant-cut diamonds, suspended from a line of pear-shaped and brilliant-cut diamonds, to a cabochon coral and single-cut diamond cluster

A fine aquamarine, sapphire and diamond sautoir, by Cartier, circa 1920. The vertically aligned pendant set with two step-cut aquamarines, the largest cut-cornered stone to the centre, connected by cabochon sapphire and brilliant and single-cut diamond geometric links, terminating in an aquamarine briolette drop, suspended from a woven cord necklace with four rose-cut diamond finials, unsigned, necklace length 62.0cm., Cartier fitted case is a modern replacement. Via Bonhams.

A gem-set and seed pearl brooch pendant, circa 1900 The elaborate openwork plaque decorated with variously cut diamonds, emeralds, rubies and seed pearls, centrally set with two oval mixed-cut sapphires between opposing cobras rising above a scarab with splayed wings set with square-cut emeralds, rose-cut diamonds and circular-cut ruby eyes, terminating in three articulated drops set with rose-cut diamonds.