A DIAMOND AND CITRINE INTAGLIO RING The openwork scrolled raised mount, set with brilliant-cut diam

A gem-set dress ring Collet-set with an oval cabochon sapphire within a raised mount, set with pairs of cabochon emeralds and rubies and bands of brilliant-cut diamonds (Ring size: N)

A DIAMOND DRESS RING The pear-shaped diamond of yellow tint in a rubover setting, within a surround of brilliant-cut diamonds and between similarly-set shoulders, with openwork scrolled gallery and en

A yellow metal and diamond ring in the late Modernist style, centred with a round brilliant-cut diamond of approximately 0.40 carats, with channel-set stylised shoulders on a raised, shaped mount, the

AN AMETHYST AND DIAMOND CLUSTER RING in 14ct white gold, set with an oval cut amethyst of approximately 31.38 carats in a halo of round brilliant cut diamonds to a scrolled open-work basket, stamped 5

An Art Deco diamond and sapphire cluster ring, the central square, step cut sapphire in millegrain mount to open work Greek key oval frame, set throughout with tweleve old brilliant cut diamonds in sq

A rose cut diamond cluster ring, the cluster top set in a closed back raised mount above open work shoulders, unmarked, finger size P, 6.1g gross

BUCCELLATI: DIAMOND-SET RING The openwork band set with brilliant-cut diamonds, signed Buccellati, ring size approx. N (leading edge) Footnotes: Please note this lot has VAT at the prevailing rate on

Antique White Gold and Diamond Ringthe square openwork mount set with one full cut round diamond and old European cut diamonds weighing approximately 1.02 total carats (J-K color, I1-2 clarity), testi

An 18ct yellow gold and diamond ring the navette-shaped mount pave-set with round brilliant-cut diamonds, size P, 2.8 grams.

A DIAMOND DRESS RING, of openwork design, the frontispiece pavé-set with brilliant-cut diamonds and four larger similarly-cut diamond accents, mounted in 18K gold, diamonds approx. 1.80cts total,

AN ENAMEL AND DIAMOND COCKTAIL RING Of openwork bombé design, the centre pavé-set with brilliant-cut diamonds, between black enamel stripes, mounted in 18K gold, diamonds approximately 1.00c

RUBY AND DIAMOND HEART RING, 1999 The openwork heart set with circular-cut rubies and brilliant-cut diamonds, mounted in 18 carat white gold, maker's mark, London hallmark, ring size approx. Q½

SEVAN BIÇAKÇI: DIAMOND AND COLOURED DIAMOND INTAGLIO RING, 2011 The rock crystal reverse carved to depict an owl, within a mount set with single-cut diamonds and rose-cut diamonds of yellow

CULTURED PEARL, TURQUOISE AND DIAMOND RING of toi-et-moi design, the ends set with a bouton-shaped cultured pearl and a cabochon turquoise respectively, the mount pavé-set with brilliant-cut diamon

A diamond and fourteen karat white gold ring mountincluding a pierced and millegrained engagement ring mount, set with round brilliant-cut diamond and centered by four prongs, measuring approximately

TWO GEM-SET AND DIAMOND DRESS RINGS 1st: Set with an oval-cut treated quartz within a foliate mount set with brilliant-cut diamonds, vari-coloured sapphires and tsavorite garnets, 2nd: Set with an ova

A SAPPHIRE AND DIAMOND DRESS RING The elongated openwork plaque, centred by a collet-set old brilliant-cut diamond, accented by similarly-cut diamonds and marquise-shaped sapphires, to a polished hoop

BULGARI: EMERALD AND DIAMOND 'TROMBINO' RING, CIRCA 1965 The octagonal step-cut emerald between graduated baguette-cut diamond shoulders, in a bombé mount, pavé-set with brilliant-cut diamon

SAPPHIRE AND DIAMOND DRESS RING The sugarloaf sapphire weighing 7.09 carats, between baguette-cut diamond shoulders, in a bombé mount, pavé-set with brilliant-cut diamonds, diamonds approx.

This chunky and stylish yellow gold ring is bezel set with an approx. 10 ct. medium slightly orange yellow citrine, that is surrounded by alternating gold beads and bezel set round brilliant cut diamo

A GREEN BERYL AND DIAMOND RING Centering a carved green beryl, set in a textured mount pave-set with round brilliant-cut diamonds weighing approximately 2.75 carats, mounted in 18k gold, size 10 1/2

18K yellow gold ring contains a central oval shaped carved cabochon onyx, approx. 2cts, set in a domed mount highlighting 6 bezel set brilliant cut diamonds, .30 cts. total, and a textured and ornate

Vintage 14K yellow gold citrine and diamond ring, set with one oval-cut faceted yellowish brown citrine stone; approx: 22 x 16 mm, flanked by fourteen pave-set round brilliant -cut diamonds; approx: 0

CARTIER: DIAMOND-SET RING, CIRCA 1995 Of bombé design, set with a central oval-cut diamond, the mount pavé-set with brilliant-cut diamonds, mounted in 18 carat gold, signed Cartier, numbered