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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

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.

"An early 20th century aquamarine and diamond necklace. The front composed of three delicate quatrefoil clusters, millegrain-set throughout with cushion-shaped and oval-cut aquamarines and old brilliant and single-cut diamonds, connected by similarly set single-cut diamond foliate swags, suspending a large cushion-shaped aquamarine pendant, mounted in platinum and yellow gold, on a fine trace-link chain. Via Bonhams."

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.

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.

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 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

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

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 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 opal, diamond and ruby negligée necklace The necklace designed as an old brilliant and single-cut diamond and circular-cut ruby scrolling surmount, suspending an oval cabochon opal with circular-cut ruby and single-cut diamond terminal, terminating in two similarly-set pendants, to a trace-link chain, diamonds approx. 1.65ct total, length 54.0cm

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