A DIAMOND DRESS RING the openwork geometric face set with a marquise cut diamond and accented by

AN ART DECO DIAMOND DRESS RING in platinum, the geometric face set with two old cut diamonds of approximately 1.15 and 1.04 carats, accented by rose cut diamonds, French import mark, size Q / 8.25, 5g

A SAPPHIRE AND DIAMOND DRESS RING in 18ct yellow gold, the oval face set with four marquise cut blue sapphires accented by single cut diamonds, full British hallmarks, size J / 4.5, 4.8g. Guaranteed U

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 ART DECO DIAMOND DRESS RING in platinum, the geometric face set with rows of old cut diamonds, the diamonds all totalling 1.3-1.5 carats, stamped 950, size O / 7, 7.2g.

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.

A FRENCH RETRO DIAMOND RING in 18ct yellow gold, the geometric face set with two old cut diamonds, accented by rows of rose cut diamonds, French assay mark, size L / 5.5, 7.9g.

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 SAPPHIRE AND DIAMOND DRESS RING the hexagonal face set to the centre with a round brilliant cut diamond, accented by further diamonds and calibre cut sapphires, no assay marks, size N / 6, 7.4g.

A DIAMOND DRESS RING in 18ct yellow gold and silver, the openwork face set with rose cut diamonds, stamped 750, size M1/2 / 6.5, 9.2g.

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.

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.

A FRENCH ART DECO DIAMOND DRESS RING in platinum, the navette shaped face set to the centre with an old mine cut diamond of 0.70 carats between two old mine cut diamonds, accented by further rose cut

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

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

A SAPPHIRE AND DIAMOND DRESS RING in 18ct white gold, set with two round cut sapphires accented by six marquise cut diamonds, the sapphires both totalling 2.40 carats, the diamonds all totalling 1.50

A DIAMOND DRESS RING the face designed as a star, set with a central diamond accented by further rose cut diamonds, unmarked, size T / 9.75, 6.6g.

AN ANTIQUE OPAL AND DIAMOND DRESS RING in high carat yellow gold, the face set with five graduated oval cabochon opal accented by single cut diamonds, with textured decoration to the band, unmarked, s

AN ANTIQUE PEARL AND DIAMOND DRESS RING, 19TH CENTURY in yellow gold, the face set with a cluster of pearls accented by rose cut diamonds, unmarked, size M / 6.25, 3.8g.

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 ART DECO RUBY AND DIAMOND DRESS RING, EARLY 20TH CENTURY in 18ct yellow gold and platinum, the rectangular face set with a step cut ruby accented by single cut diamonds, stamped 18ct Plat, size M /

A TANZANITE, PINK TOURMALINE AND DIAMOND DRESS RING set with a cushion shaped tanzanite of 11.28 carats, accented by marquise cut pink tourmalines and round brilliant cut diamonds, no assay marks, siz

AN ANTIQUE SAPPHIRE AND DIAMOND DRESS RING, CIRCA 1900 in yellow gold and silver, the navette face set with a cushion cut blue sapphire accented by rose cut diamonds, with pierced decoration to the sh

A DIAMOND DRESS RING, CIRCA 1940 in 14ct yellow gold, the navette face with three principle round cut diamonds accented by scrolling details set with further rose cut diamonds, stamped 585, size N / 6

A DIAMOND AND ENAMEL DRESS RING set with an old cut diamond of 0.27 carats, accented by geometric black enamel designs, no assay marks, size N / 6.5, 6.0g.