AN EMERALD AND DIAMOND DRESS RING the openwork face set with an oval cut emerald accented by old and

A DIAMOND AND EMERALD DRESS RING the circular face set with an old European cut diamond within a border of single cut diamonds and calibre cut emeralds, accented by further calibre cut emeralds, marke

NO RESERVE - A PAIR OF EMERALD AND DIAMOND CLUSTER STUD EARRINGS in 9ct yellow gold, the openwork faces set with an oval cut emerald accented by round cut diamonds, stamped 9ct, 1.3cm, 3.1g.

AN ART DECO EMERALD AND DIAMOND RING in platinum or white gold, the navette face set with an oval cut emerald between round cut diamonds, accented by calibre cut emeralds, marked indistinctly, size N

AN ANTIQUE EMERALD, RUBY AND DIAMOND DRESS RING, EARLY 19TH CENTURY in yellow gol and silver, set with a step cut ruby between two triangular step cut emeralds, accented by old cut diamonds, with scro

A DIAMOND AND EMERALD RING in 18ct white gold, the geometric face set with a central old cut diamond of 0.60 carats accented by baguette cut emeralds and single cut diamonds, stamped 750, size N / 6.5

AN EMERALD AND DIAMOND CLUSTER DRESS RING set with an oval cut emerald within concentric borders of brilliant cut diamonds and calibre cut emeralds, no assay marks, size M / 6, 5.0g. Guaranteed UK Chr

AN EMERALD AND DIAMOND RING the scalloped edged face set with an octagonal cut emerald, accented by a double border of round brilliant cut diamonds and calibre cut emeralds, stamped platinum, size N /

AN EMERALD AND DIAMOND RING in platinum, set with an octagonal cut emerald accented by old European cut and single cut diamonds and step cut emeralds, stamped PLAT, size O / 7, 6.6g.

ANTIQUE EMERALD AND DIAMOND RING in yellow gold, set with a pear cut emerald accented by old cut and rose cut diamonds, unmarked, size N / 6.5, gross weight 4.5 grams.

AN EMERALD AND DIAMOND DRESS RING in 18ct gold and platinum, set with a square step cut emerald accented by single cut and rose cut diamonds, stamped 18ct Plat, size M / 6.25, 3.2g.

EMERALD AND DIAMOND DRESS RING in platinum, set with an emerald cut emerald in a cluster of old cut diamonds, stamped 950, size O / 7, 2.70g.

AN ANTIQUE EMERALD AND DIAMOND RING in 18ct yellow gold, the face set alternately with emerald cut emeralds and old cut diamonds, stamped 18ct, size N / 6.75, 3.2g.

A FINE DIAMOND DRESS RING in 18ct yellow gold and platinum, the stylised openwork face set throughout with old cut diamonds, no assay marks, size J1/2 / 5, 3.6g.

NO RESERVE - A VINTAGE EMERALD AND DIAMOND RING in white gold, set with five graduated cushion cut emeralds, accented by rose and old cut diamonds, no assay marks, size M1/2 / 6.5, 4.8g.

A DIAMOND AND SAPPHIRE DRESS RING the pierced face set with a principal old cut diamond, accented by calibre cut blue sapphires and single cut diamonds, no assay marks, size M / 6.25, 5.1g.

EMERALD AND DIAMOND RING Of openwork plaque design set with an oval-cut emerald and brilliant-cut diamonds, ring size approx. M½ For further information on this lot please visit Bonhams.com

AN EMERALD AND DIAMOND DRESS RING designed as a flower, set with a central round brilliant cut diamond with oval cut emerald petals, the leaves and outer petals set with further round cut diamonds, st

AN EMERALD AND DIAMOND PLAQUE RING the geometric face set with an octagonal step cut emerald of 0.56 carats, accented by round brilliant cut diamonds all totalling 1.6-1.8 carats, no assay marks, size

AN EMERALD AND DIAMOND RING in open work lattice design set with a step cut emerald of 1.44 carats accented by round brilliant and step cut diamonds all totalling 1.4-1.6 carats, stamped 750, size Q /

A FINE ANTIQUE DIAMOND DRESS RING, EARLY 20TH CENTURY in yellow gold and platinum, the scrolling face set with old cut diamonds accented by rose cut diamonds, no assay marks, size J / 4.5, 3.6g.

A DIAMOND DRESS RING in yellow gold and platinum, the openwork face set with old and rose cut diamonds, no assay marks, size O / 7.25, 3.0g.

AN EMERALD AND DIAMOND DRESS RING in platinum, set with an emerald cut emerald of 0.37 carats between trios of old cut diamonds, stamped PLAT, size L / 5.75, 2.7g.

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

AN ANTIQUE EMERALD AND DIAMOND DRESS RING in yellow gold and silver, set with a step cut emerald within a border of four old cut diamonds, no assay marks, size J1/2 / 5, 2.1g.