An early 20th century diamond and ruby ring, set with three old brilliant-cut diamonds with calibré-cut ruby highlights between, mounted in platin...

A diamond single stone ring, the transitional-cut diamond claw set between single-cut diamond shoulders, stamped ‘18CT WG PT’, diamond approximate...

An Art Deco sapphire and diamond ring, circa 1920, set with an oval-cut sapphire within a surround of rose-cut diamonds, between similarly-set tie...

A diamond target brooch/pendant, circa 1890, the tiered cluster set throughout with old brilliant-cut diamonds, mounted in silver and gold, suspen...

A French Art Deco diamond and synthetic sapphire ring, circa 1940, the shaped ring inlaid with an old brilliant-cut diamond with a triangular-cut ...

A diamond three stone ring, the three old brilliant-cut diamonds claw set between crossover shoulders, stamped ‘18CT’, total diamond weight approx...

A diamond five stone ring, claw set with a graduated row of old brilliant-cut diamonds, stamped ‘PLATINUM’, total diamond weight approximately 1.1...

An Art Deco sapphire and diamond bracelet, circa 1930, the pierced frontispiece millegrain set with old brilliant-cut diamonds and calibré-cut sap...

A diamond necklace, the articulated collar set throughout with chevrons of brilliant-cut diamonds, stamped ‘pt950’, total diamond weight approxima...

A diamond single stone ring, the brilliant-cut diamond in a raised claw setting between bifurcated crossover shoulders, stamped ‘18CT’, diamond we...

A diamond dress ring, the rectangular plaque set with four rows of brilliant-cut diamonds, between pierced tapering shoulders, total diamond weigh...

An early 20th century opal and diamond ring, the oval opal cabochon within a surround of brilliant-cut diamonds, mounted in platinum and gold, sta...

A diamond ring, set with two rows of brilliant-cut diamonds, ring size R. £100-£150

An opal triplet dress ring, the oval composite stone in twinned claw mount, between trifurcated shoulders, ring size P. £300-£400

An Arts & Crafts star sapphire and pearl pendant, circa 1900, the oval sapphire cabochon, weighing 63.29 carats, set within a gold mount with tref...

A late 19th century ruby and diamond ring, the three rectangular-cut rubies spaced by six rose-cut diamonds, to a scrollwork gallery setting, moun...

Two diamond rings, the first claw set with a brilliant-cut diamond, to a slightly tapered band, the second channel set with a row of brilliant-cut...

Two ruby eternity rings, both channel set with square and rectangular-cut rubies, one ruby deficient, ring sizes M and N respectively. £300-£500

A diamond pendant, formed as the Arabic symbol for God, stamped ‘18C’, total diamond weight approximately 0.30 carat, length 17mm. £300-£500

A cultured pearl and diamond necklace, the graduated strand of cultured pearls to an Art Deco clasp, circa 1930, set with old brilliant-cut diamon...

A ruby and diamond necklace, 1979, set with an alternating series of pear-cut rubies and brilliant-cut diamonds, leading to a similarly-set cluste...

A ruby and diamond double target ring, the two old-cut diamonds bordered by calibré-rubies, mounted in plain deep collet mounts, within a crossove...

A diamond Trinity ring by Cartier, composed of three interlocking bands each set throughout with brilliant-cut diamonds, mounted in 18ct gold, sig...

A pair of gem-set ear clips by Cartier, circa 1960, the textured gold sprays set with circular-cut emeralds, sapphires, rubies and brilliant-cut d...

A mid 20th century ruby, emerald and diamond ring by Cartier, composed of three bombé hoops pavé-set with brilliant-cut diamonds, each highlighted...

A jade brooch, the pierced panel carved to depict a bird amidst foliage, closed-back setting, (jade untested), length 33mm. £300-£400

An emerald and diamond dress ring and earrings, horizontally set with three rows of marquise-cut emeralds with brilliant-cut diamond highlights, t...

A jade ring, the oval cabochon in a rubover setting between broad tapering shoulders bright-cut engraved with a phoenix and Chinese dragon, indist...

A water opal pendant, the irregularly shaped polished water opal in a three-claw setting, pendant length 39mm. £300-£500 --- Acquired by the v...

An opal bracelet, the frontispiece alternately set with three graduated oval opal cabochons and four circular-cut white gemstones, to a plain trac...

A diamond single stone ring, the brilliant-cut diamond, weighing 2.61 carats, in a six-claw setting, to tapered knife-edge shoulders, ring size N....

A Colombian emerald ring, the oval emerald cabochon in a satin finished tapered mount, stamped ‘750’, emerald measurements 13.5 x 10.6 x 7.2mm, ri...

A diamond collar necklace, the front composed of uniform diamond clusters, the back section of continuous open diamond hoops, set throughout with ...

A diamond dress ring, the brilliant-cut diamond within a hexagonal surround, the bombé mount formed as panels of similarly-cut diamonds, stamped ‘...

A pair of ruby and diamond cluster ear studs, the pierced clusters millegrain set with brilliant-cut diamonds and circular-cut rubies, stamped ‘7...

A pair of diamond set star-shaped ear studs, each set throughout with brilliant-cut diamonds, yellow precious metal mounted, on post fittings, dia...

A diamond bangle, the broad cuff of pierced foliate design, set throughout with brilliant-cut diamonds, inner diameter 53mm. £2,000-£3,000

A ruby and diamond necklace and bracelet suite, 1981, the necklace set throughout with ruby cabochons and spaced by geometric-shaped links set wit...

A ruby and diamond cuff, 1980, the articulated strap formed of lozenge-shaped links set with ruby cabochons, alternating with links set with clust...

A mother-of-pearl flowerhead pendant, the carved mother-of-pearl petals centred with an oval-cut yellow gemstone, stamped ‘750’, length 46mm. £20...

A pair of natural pearl and diamond cluster ear studs, the pearls of approximately 8.4mm diameter, each bordered by claw set old-mine cut diamonds...

A cultured pearl necklace with diamond clasp, the double strand of cultured pearls (broken) to a diamond cluster clasp, the pearl diameters measur...

An early 20th century gold and diamond set buckle by Cartier, circa 1902, the bowed oval frame with inner twin C-scrolls set with rose-cut diamond...

An 18ct gold diamond half hoop ring by Kat Florence, the D-shaped hoop pavé-set with brilliant-cut diamonds, the shank slightly pointed to the rev...

A black opal and diamond cluster ring by Kat Florence, the pear-shaped opal cabochon within a tiered surround of brilliant-cut diamonds, the shoul...

An Art Deco diamond double-clip brooch, circa 1930, set throughout with single, brilliant and old brilliant-cut diamonds, the design incorporating...

An Art Deco diamond bracelet, circa 1930, the openwork links of geometric design with pierced palmette decoration, set throughout with old brillia...

A ruby and diamond pendant on chain, the oval cluster pendant of scalloped outline, set with cabochon rubies within borders of brilliant-cut diamo...

A diamond dress ring, the multi-row tapered band set with brilliant-cut diamonds in claw and raised collet settings, ring size M. £500-£600

A rubellite and diamond dress ring by Mary Carmen, the oval mixed-cut rubellite in twin claw settings, between diamond set shoulders, each collet ...

A pair of diamond and ruby ear pendants, the surmounts set with a ruby cabochon and single-cut diamond cluster suspending detachable drops of foli...

A ruby and diamond necklace retailed by Carrington & Co., circa 1963, the articulated necklace set throughout with a continuous row of circular-cu...

A diamond dress ring by Sidersky, circa 1950, set with three brilliant-cut diamonds, within a pear-shaped surround of baguette and brilliant-cut d...

A diamond dress ring by Sidersky, circa 1960, the bombé ring formed as a series of scattered batons, interspersed with old brilliant and brilliant...

A Colombian emerald and diamond necklace, the octagonal-cut emerald, weighing approximately 15 carats, in a four claw setting within a cluster sur...

Three assorted brooches, the first of open hoop design, inset with trillion and marquise-cut garnets, yellow precious metal, reverse stamped ‘585’...

A small collection of jewellery, to include a pair of single stone diamond ear studs, a double row cultured pearl bracelet with a ruby and diamond...

A collection of antique jewellery, to include a seed pearl crescent brooch, circa 1900, a late 19th century garnet and diamond brooch, a lady’s go...

A small collection of antique jewellery, comprising gold and gem-set stick pins and bar brooches, a pair of 9ct gold cufflinks and a pair of silve...

A small collection of jewellery, to include a malachite elephant with single-cut diamond eyes, a gold knot brooch, circa 1900, set with seed pearl...