gemstone

An 18ct gold emerald and diamond cluster ring, the octagonal mixed-cut emerald claw-set within a surround of brilliant-cut diamonds, London hallma...

A late 19th century sapphire and diamond five stone ring, alternately set with circular-set sapphires and old brilliant-cut diamonds, the gallery ...

A sapphire and diamond ring, of crossover design, each side terminating in a flowerhead set with circular-cut sapphires and brilliant-cut diamonds...

A Sri Lankan yellow sapphire and diamond ring, the cushion-shaped sapphire claw-set between transitional-cut diamond trefoils in millegrain collet...

A star sapphire and diamond cluster ring, the sugarloaf star sapphire set within a surround of single-cut diamonds, mounted in 18ct gold, later Lo...

An emerald and diamond cluster ring, the step-cut emerald claw-set within a surround of brilliant-cut diamonds, to similarly-set bifurcated should...

A diamond ring, the pear-cut diamond of pink tint, weighing 0.70 carat, claw-set between two tapered baguette-cut diamonds, to a plain polished ba...

A black opal and diamond cluster ring, the opal cabochon claw-set within a surround of brilliant-cut diamonds, the shank stamped ‘18ct’, total dia...

A coloured diamond and diamond ring, of crossover design, each side terminating in a brilliant-cut diamond of yellow or brown tint, between should...

An emerald and diamond three stone ring, the step-cut emerald between two old brilliant-cut diamonds, stamped ‘18’, total diamond weight approxima...

A sapphire and diamond ring, French, the bicoloured band of tapered design, set to the front with an oval-cut sapphire and brilliant-cut diamonds ...

Two gem-set rings, comprising an 18ct gold dress ring set with an oval-cut amethyst within a brilliant-cut diamond surround with step-cut peridot ...

A diamond dress ring, set with a graduated row of brilliant-cut diamonds, the openwork mount of scroll design and with ropetwist detailing, total ...

An emerald and diamond ring, the tapered band channel-set with a series of brilliant-cut diamonds and centred with an emerald cabochon, stamped ‘7...

A Fancy Yellow diamond ring, the cut-cornered Fancy Yellow diamond, weighing 4.13 carats, between shoulders set with brilliant-cut diamonds, mount...

A ruby and diamond ring, the oval mixed-cut ruby set between stepped shoulders of baguette-cut diamonds, stamped ‘750’, ring size P. £600-£800 ...

An 18ct white gold ruby and diamond cluster ring, 1977, the oval mixed-cut ruby claw-set within a surround of brilliant-cut diamonds, London hallm...

A coloured diamond eternity ring by Graff, set with a continuous row of princess-cut diamonds of yellow tint, (diamonds untested for natural colou...

A diamond five stone ring, set with a row of baguette-cut diamonds to a plain polished band, mounted in 14ct gold, import mark for London 1984, t...

A pair of diamond eternity rings by Paul Simons, each angled to create illusion of a single ring, set throughout with brilliant-cut diamonds, both...

A yellow sapphire and diamond ring, the step-cut sapphire between brilliant-cut diamond shoulders, stamped ‘750’, ring size Q. £600-£800 --- ...

A tanzanite and diamond dress ring, the cushion-shaped tanzanite between graduated baguette-cut diamond shoulders, stamped ‘18K’, total diamond we...

A diamond single stone ring, the brilliant-cut diamond mounted in platinum, London hallmark, diamond weight approximately 1.00 carat, ring size O....

A diamond dress ring, set with a princess-cut diamond with similarly-cut diamonds to either side, between graduated brilliant-cut diamond borders,...

A diamond single stone ring, of spiral design and set with a brilliant-cut diamond, diamond weight approximately 0.40 carat, stamped ‘750’, ring s...

A tourmaline and diamond dress ring, the cushion-shaped pink tourmaline set beneath a foliate motif with brilliant-cut diamond highlights, the gal...

An early 19th century memorial ring, the glazed hairwork panel within a surround of seed pearls and black enamel border, to bifurcated shoulders a...

A diamond cluster ring, the three principal old brilliant-cut diamonds collet-set within a scalloped surround of similarly-cut diamonds, total dia...

A 9ct gold serpent ring, modelled as a coiled serpent, with synthetic ruby eyes and textured finish, Birmingham hallmark for 1994, maker’s mark ‘S...

An aquamarine and diamond ring, the step-cut aquamarine between brilliant-cut diamond shoulders, stamped ‘750’, ring size P. £600-£800 --- ...

A gem-set ring, 1987, of tapered bombé style, set to the front with a sapphire, ruby and emerald cabochon, mounted in 18ct gold, London hallmark, ...

A late 19th century emerald and diamond three stone ring, the step-cut emerald claw set between two old brilliant-cut diamonds, mounted in gold, t...

A diamond three stone ring, set with three graduated old brilliant-cut diamonds, indistinctly stamped ‘18ct’, total diamond weight approximately 1...

Two dress rings, the first set with a cultured freshwater pearl (drilled) between marquise-cut diamond shoulders, the second with a cultured fresh...

An aquamarine and diamond cluster ring, 1978, the circular-cut aquamarine claw-set within a surround of brilliant-cut diamonds, mounted in 18ct go...

A diamond ring by Le Chic, set with a brilliant-cut diamond between baguette-cut diamond shoulders, signed, stamped ‘585’, Dutch assay mark, total...

A diamond dress ring, of domed and textured basket weave design, with single-cut diamond highlights, shank stamped ‘750’, ring size O. £200-£300 ...

An early 19th century diamond ring, the tapered band set to the front with two rows of old brilliant-cut diamonds, to similarly-set shoulders with...

A late 19th century opal and diamond ring, the graduated opal cabochons each within a surround of rose-cut diamonds, between carved scroll shoulde...

An emerald and diamond dress ring, the stylised cluster set with brilliant and marquise-cut diamonds and marquise-cut emeralds, mounted in 18ct go...

A diamond five stone ring, set with a graduated row of transitional-cut diamonds, stamped ‘18CT PLAT’, ring size Q. £100-£150 --- Conditio...

Two mid 20th century gem-set dress rings, the first set with a step-cut aquamarine between triangular-cut diamond shoulders, the openwork ropetwis...

A collection of antique jewellery, to include an enamel, pearl and hairwork memorial ring by Sorley of Glasgow, a turquoise and seed pearl bracele...

A turquoise three stone ring, the tapered band set with three turquoise cabochons, stamped ‘18K’, ring size L-M. £200-£300 --- Condition R...

A citrine five stone ring, the graduated row of mixed-cut citrines with diamond highlights between, to a scrollwork mount, stamped ‘18CT’, ring si...

A 14ct gold and ruby five stone ring, the graduated circular-cut rubies spaced by diamond points, to a scrollwork mount, London hallmark, ring siz...

An aquamarine and diamond ring, the step-cut aquamarine claw-set between brilliant-cut diamond trefoil shoulders, ring size M. £300-£500 ---...

An 18ct white gold emerald and diamond cluster ring, the step-cut emerald claw-set within a surround of brilliant-cut diamonds, Sheffield hallmark...

An emerald and diamond ring, of foliate design, set with circular-cut emeralds and brilliant-cut diamonds, Portuguese assay mark, ring size O½. £...

An 18ct gold sapphire and diamond cluster ring, the oval mixed-cut sapphire claw-set within a surround of brilliant-cut diamonds, London hallmark,...

An amethyst and diamond dress ring, the cushion-cut amethyst within an openwork basket setting of scroll design set with rose-cut diamonds, betwee...

A diamond cluster ring, the tiered lozenge-shaped cluster set with brilliant-cut diamonds, mounted in 18ct gold, UK hallmark, total diamond weight...

A sapphire and diamond ring, the pierced cartouche set with a quatrefoil of brilliant-cut diamonds within a surround of calibré-cut sapphires, tot...

A sapphire and diamond ring, of crossover design, set with circular-cut rubies and brilliant-cut diamonds, with reeded detailing to the front, sta...

A pink sapphire and diamond dress ring, of flowerhead design, set with brilliant-cut diamonds and calibré-cut pink sapphires, mounted in 18ct gold...

A ruby and diamond ring, the oval ruby cabochon set between stepped brilliant-cut diamond shoulders, stamped ‘18K’, ring size K. £300-£500 --...

A diamond dress ring, of crossover design, set with brilliant, single and calibré-cut diamonds, Portuguese assay mark, total diamond weight approx...

An 18ct white gold and diamond ring, set throughout with brilliant-cut diamonds, Birmingham hallmark for 2011, ring size Q. £200-£260 --- ...

A diamond ring, set to the front with a graduated row of brilliant-cut diamondsm mounted in 18ct gold, Birmingham hallmark, total diamond weight a...

A coloured diamond and diamond ring, set with a cushion-cut diamond of yellow tint, weighing 1.61.carats, between two pear-shaped diamonds, partia...