diamond

A diamond and enamel harp fob seal, the harp with a silver body accented with graduating rose cut diamonds and yellow gold strings, to an oval a...

A Ceylon sapphire and diamond rivière bracelet, c.1920, a series of cushion shaped native cut Ceylon sapphires, interspaced with old European di...

A French Art Deco platinum and diamond bombé ring, the domed ring head with an old European diamond rub set to the centre, channel lines of cal...

A diamond and gemstone set dragonfly brooch, c.1890, the body consisting in a line of rub set oval cut rubies, into a sapphire set abdomen and e...

An impressive single stone diamond ring, a round brilliant cut diamond, estimated as approximately 6.20ct, claw set to a rex collet, to pierced ...

An 18ct gold ruby and diamond rabbit brooch, the resting rabbit is accented with a line of graduated round brilliant cut diamonds to the ear, co...

A late Victorian five stone diamond ring, with five graduated old mine cut diamonds, the central one estimated as approximately 1.20ct, interspa...

An Art Deco sapphire and diamond monogram, with the letter 'L' channel set with a row of calibré cut sapphires, and the letter 'R' grain set wit...

A diamond and pearl ribbon bow brooch, c.1915, the finely pierced lace bow set throughout with rose cut diamonds, old single cut diamonds and se...

A Burmese sapphire and diamond brooch, early 20th century, set with a round cut sapphire, estimated as approximately 1.85ct, and a pear cut sapp...

A pair of diamond daisy cluster earrings, c.1890, each cluster centrally set with an old European diamond, estimated as approximately 0.60ct ea...

A pair of old cut diamond and aquamarine drop earrings, each set with a trio of old cut diamonds in millegrain collets, to rose cut diamond set ...

A pearl and diamond openwork foliate design brooch, c.1900, with graduated pearls, untested , to a pierced scrollwork mount set throughout with...

A late Victorian two row diamond closed crescent brooch, c.1890, with two rows of graduated old European cut, old Swiss cut and rose cut diamo...

A late Victorian five stone diamond ring, with five graduated old mine cut diamonds, the central one estimated as approximately 0.50ct, in claw ...

An early 20th-century 18ct gold three stone diamond ring, with three graduated old mine cut diamonds, totalling approximately 0.60ct, gypsy set...

A pair of 18ct white gold diamond and sapphire drop earrings, headed by a round brilliant cut diamond claw set to post and butterfly, suspending...

An Art Deco diamond eternity ring, with old European and old eight cut diamonds box set within a millegrain edge, with hand engraved scrolls to...

An 18ct white gold aquamarine and diamond cluster ring, with a cushion cut aquamarine encircled by a surround or round brilliant cut diamonds, a...

A French Art Deco diamond single clip brooch, the tapering brooch pavé set throughout with graduating old European diamonds, with a central line...

A diamond full eternity ring, with a line of baguette cut diamonds channel set to a flat profile hoop, 4.50mm wide. Unmarked white metal tested...

A blue and pink sapphire, diamond and split pearl wreath brooch, the open circle frame composed of alternating rose-cut diamond leaves and seed ...

A diamond 'Parisienne' bangle, by Roberto Coin, with seven round brilliant cut diamonds, all tension set to a plain rectangular bar, tapering g...

A pair of late Victorian pearl and diamond cluster earrings, c.1880, with a pearl peg set to the centre. A border of old European cut diamonds,...

An Art Deco diamond panel ring, the oval plaque set with an old mine diamond, estimated as approximately 1.75ct, within a surround of old Europe...

An old cut diamond single stone ring, an old mine cut diamond, estimated as approximately 1.70ct, box set within a square-shaped collet, to elev...

An 18ct gold and diamond bangle, by Asprey, the front in the form of a knot, partly pavé set with round brilliant cut diamonds, the open bangle...

A double row diamond bracelet, set with thirty round brilliant cut diamonds, claw set, estimated total diamond weight 4.00-4.50ct, length appro...

A Georgian graduated rose cut diamond bow loop brooch, with a series of graduated pear shaped and oval Dutch rose cut diamonds, all in silver c...

A pair of diamond cluster earrings, each in a cluster style, with a larger old European cut diamond surrounded by smaller diamonds, all claw set...

An 18ct gold Colombian emerald and diamond three stone ring, centrally set with an octagonal step cut emerald, estimated as approximately 1.32ct...

An 18ct gold, enamel and diamond novelty brooch, by Kutchinsky, in the form a stylised tiger; the textured gold body embellished with blue ename...

An 18ct gold and oval cut diamond three stone ring, three graduated oval mixed cut diamonds rub set in white into a plain yellow gold band. Prin...

A large diamond solitaire ring, featuring a round brilliant cut diamond, estimated weight 3.10ct, in a six claw setting, in a gold mount stamped...

A diamond and ruby necklace, c.1915, with a central ruby and diamond cluster suspending a diamond knife edge drop, terminating in a larger diamo...

A single stone diamond ring, a round brilliant cut diamond, estimated as 1.50ct, claw set in a white rex collet, into a thin yellow gold 'D' sec...

An Art Deco style sapphire and diamond target cluster ring, of octagonal fluted form, with an old European diamond rub set to the centre, encirc...

A mid 20th century sapphire and diamond bombé ring, with an oval mixed cut sapphire claw set within two tiers of marquise and pear cut diamonds...

A pair of white gold diamond, sapphire and citrine drop earrings, with sapphire cabochon and diamond halo surmount, suspending an articulated dr...

A pair of diamond stud earrings, a round brilliant and a transitional cut diamond, the combined weight estimated as 0.90 to 1.00ct, claw set in ...

A scroll design diamond hinged bangle, c.1890-1900, decorated with scrolling leaves and buds set with graduating rose cut, Swiss cut and old Eu...

An 18ct gold diamond single stone ring, set with a round brilliant cut diamond, estimated weight 1.33ct, in a white gold eight claw setting, to ...

A gentlemen's single stone diamond ring, a round brilliant cut diamond, estimated as approximately 1.25ct, belcher set in a plain mount, width 1...

A mid-20th century diamond ribbon bow brooch, the stylised ribbon bow pavé set throughout with graduated round brilliant diamonds, with a centra...

A diamond ruby and enamel sculptural brooch, probably by Nardi, modelled as a tridimensional figure of an Oriental man, with a conical hat, plai...

A white gold single stone diamond ring, with a round brilliant cut diamond, estimated as approximately 1.20ct, six-claw set to a plain white gol...

An 18ct gold diamond cluster ring, set with round brilliant cut diamonds, claw set, in a cluster form, total carat weight approximately 3.00-3.5...

A white gold single stone diamond ring, with a round brilliant diamond, estimated as 2.10ct, in a triple claw prong setting, to knife-edge shoul...

A 14ct white gold Art Deco style sapphire and diamond ring, with three graduated square cut sapphires vertically collet set to the centre, withi...

A platinum and diamond ring, with a principal old cut diamond, estimated as approximately 1.16ct, in a six claw setting, with three round brilli...

An 18ct gold diamond three stone pendant and chain, the pendant set with three graduating round brilliant cut diamonds, totalling 0.95ct, bar se...

A ruby and diamond quatrefoil cluster ring, with central round brilliant diamond quatrefoil, encircled by a line of calibré cut rubies and an ou...

An 18ct white gold diamond pendant and earring set set, the pendant illusion set with four princess cut diamonds in a square frame, encircled by...

A platinum diamond single stone ring, by Tiffany & Co., with a round brilliant cut diamond, stated weight 0.80ct, in a six claw setting, to a pl...

An 18ct gold sapphire and diamond bracelet and necklace suite, both the necklace and bracelet set with marquise faceted blue sapphires and round...

An 18ct gold ruby and diamond brooch, by Tiffany & Co., in a flower head style, set with four round brilliant cut diamonds and four round facete...

A white gold emerald and diamond cluster ring, an emerald cut emerald, claw set, to a diamond halo with pairs of brilliant cut diamonds at the c...

An 18ct gold diamond pendant and stud earring set, the bi-metal pendant with a round brilliant cut diamond gypsy set to a satin finished disc wi...

A Continental platinum diamond ring, of horseshoe nail design, the principal stone a transitional cut diamond estimated as approximately 1.30ct...

A pair of princess cut diamond stud earrings, with a combined weight stated as 0.90ct, in claw setting, to post and butterfly, stamped 14k. 0.83...