diamond

An Art Deco diamond 'Arrow' jabot pin, circa 1920, set with round and old-cut diamonds, unsigned and apparently unmarked, 3g No damage or repair,...

A Non-Nacreous Conch Pearl and diamond ring, the central 9.5mm egg-shaped conch pearl bead suspended on wire frame, flanked by old and rose-cut di...

An Art Deco 2.5ct solitaire diamond ring, centrally claw set with 2.5ct round brilliant-cut diamond, colour approx H/I, clarity approx SI1/SI2, fl...

A Sri Lankan 'No Heat' sapphire and diamond oval cluster ring, centrally claw set with 2.44ct oval mixed-cut sapphire surrounded by modern round b...

An Art Deco diamond geometric panel brooch, circa 1925, total diamond content approx 7ct, principal diamond approx 1.5ct, flanked by 1.1ct and 0.6...

An Antique ruby and diamond fox-head stickpin, circa 1900, pave set with round cabochon ruby eyes and rose-cut diamonds, unmarked silver and yello...

A 19th century 18ct gold split pearl diamond and black enamel 'In Memoriam' mourning ring, maker JW, London 1869, the central marquise panel star ...

A Victorian miniature diamond Grouse bird pendant/charm, set with rose-cut diamonds, apparently unmarked, 10.7mm, 0.7g All stones present, genera...

An Art Deco platinum diamond geometric panel ring, centrally set with 1.15ct old European-cut diamond surrounded by round and rose-cut diamonds, t...

An 18ct white gold Australian boulder opal and diamond pendant necklace, by Leisha Wheeler, the elongated pear-cabochon opal in rub-over open-back...

JOHN DONALD - a pair of 1970s 18ct gold sapphire and diamond abstract clip-on earrings, maker JAD, London 1968, textured bombe block design, set w...

An Art Deco 18ct gold emerald and diamond cluster panel ring, set with rectangular step-cut emeralds and old and rose-cut diamonds, setting height...

A pair of emerald and diamond drop earrings, in the Georgian style, cut-down collet set with round-cut emeralds and modern round brilliant-cut dia...

A Victorian miniature diamond Dachshund dog pendant/charm, set with rose-cut diamonds, apparently unmarked, 14.5mm, 1.4g Lacking 7 diamonds, back...

A pair of 18ct white gold sapphire and diamond flowerhead cluster earrings, claw set with round-cut sapphires and modern round brilliant-cut diamo...

A Georgian Regency diamond heart locket pendant, central applied diamond flowerhead with allover engraved foliate decoration, apparently unmarked,...

A a Danish modernist 14ct white gold ruby cultured pearl and diamond dress ring, by Jorgen Larsen, set with 0.4ct round brilliant-cut diamond, set...

An 18ct white gold 1.9ct solitaire diamond ring, claw set with 1.9ct light yellow old-cut diamond, clarity approx VS1/VS2, diamond measures approx...

An Antique ruby and diamond heart pendant, pave set with oval mixed-cut ruby and rose-cut diamonds, apparently unmarked, 15.6mm, 1.7g All stones ...

An impressive 18ct gold graduated five stone diamond half hoop ring, maker CJH, London 1975, total diamond content approx 2.25ct, principal diamon...

A Victorian miniature diamond dog pendant/charm, set with rose-cut diamonds, apparently unmarked, 16.2mm, 0.7g No damage or repair, all stones pr...

A single Art Deco 0.25ct solitaire diamond earring, set with old-cut diamond, apparently unmarked, 5.8mm, 0.8g No damage or repair, this Lot is o...

A 9ct gold diamond heart pendant/charm, 13.6mm, 1.1g No damage or repair, diamond bright and fiery, stamped 375

A pair of 18ct white gold emerald and diamond drop earrings, set with pear-cut emerald and baguette-cut diamonds, with stud fittings, 24.4mm, 2.1g...

A pair of 18ct white gold diamond hoop earrings, set with baguette and modern round brilliant-cut diamonds, with English lock fittings, indistinct...

An 18ct gold green tourmaline and diamond flowerhead cluster ring, platinum-topped set with round-cut tourmaline and single-cut diamonds, setting ...

A 9ct white gold sapphire and diamond eye cluster ring, in the Art Deco style, setting height 11.2mm, size O, 2.4g (missing 1 diamond) 1 diamond ...

An Art Deco 0.65ct solitaire diamond panel ring, claw set with old-cut diamond surrounded by rose and single-cut diamonds, apparently unmarked set...

An early 20th century opal and diamond heart cluster drop pendant, circa 1910, centrally set with heart cabochon opal surrounded by rose-cut diamo...

An Art Deco star ruby and diamond openwork geometric pendant necklace, circa 1925, centrally set with 1.2ct oval cabochon ruby surrounded by singl...

An 18ct white gold green tourmaline and diamond flowerhead cluster ring, centrally claw set with 3ct round step-cut tourmaline surrounded by a row...

A large 9ct rose gold 1ct solitaire diamond band ring, star set with modern round brilliant-cut diamond, colour approx I/J, clarity approx SI3, I1...

A Victorian Etruscan Revival diamond amethyst and blue enamel bombe memorial brooch, circa 1880, circular form with central star set rose-cut diam...

A modern 14ct rose gold kunzite and diamond dress ring, claw set with oval mixed-cut kunzite, kunzite measures: 14.11 x 12.05 x 8.90mm, size N, 4....

A Vintage single-row Akoya cultured pearl and diamond necklace, with diamond halo spacers and pearl clasp, total diamond content approx 1ct, large...

A modern 14ct gold diamond pear halo cluster pendant necklace, pave set with tapered baguette and modern round brilliant-cut diamonds on 14ct cabl...

An 18ct gold diamond cross pendant necklace, on 9ct fine curb link chain, total diamond content approx 0.5ct, pendant 26mm, chain 44cm, 3.9g No d...

A platinum aquamarine and diamond panel ring, in the Art Deco style, rub-over set with 1.25ct oval mixed-cut aquamarine and millegrain set with si...

A Danish 14ct two-colour gold diamond lattice pendant, 22.3mm, 4.4g No damage or repair, only light surface wear, hinge and catch working, stampe...

A pair of 14ct white gold 0.2ct solitaire diamond earrings, each set with 0.1ct Princess-cut diamond, with stud fittings, 3.6mm, 0.5g No damage o...

An 18ct gold morganite and diamond rectangular cluster panel ring, maker TP, London 2014, claw set with emerald-cut morganite surrounded by 2 rows...

A late 20th century 18ct gold amethyst and diamond cluster ring, maker FRS Ltd, London 1975, setting height 10.5mm, size L, 2.7g No damage or rep...

An 18ct gold diamond and enamel Poodle dog brooch, Ben Rosenfeld Ltd, London 1963, realistically modelled with diamond collar, nodding head and en...

A late 20th century 9ct gold diamond knot ring, maker AC Co, London 1979, setting height 7mm, size O, 2.1g No damage or repair, general wear to h...

A Continental 18ct gold sapphire and diamond collar pendant necklace, by Balestra, set with pear-cut sapphire, modern round brilliant-cut diamonds...

An 18ct gold diamond triple cluster ring, set with Princess-cut diamonds, total diamond content approx 0.5ct, setting height 5.7mm, size M, 3.5g ...

A Portuguese almandine garnet and diamond 'Order Of Christ' cross pendant, 19th century, the baguette and kite-cut garnet cross centrally set with...

An 18ct gold 0.25ct solitaire diamond pendant necklace, on 18ct fine curb link chain, pendant 10.6m, chain 40cm, 3.4g No damage or repair, diamon...

A pair of sterling silver and 18ct gold aquamarine and diamond earrings, maker BB, London 2003, set with triangular-cut aquamarines and pear-cut b...

A pair of 18ct gold 0.8ct solitaire diamond bombe earrings, each rub-over set with 0.4ct modern round brilliant-cut diamond within shield design s...

A 14ct gold emerald and diamond half hoop ring, set with marquise-cut emeralds and round-cut diamonds, setting height 6.3mm, size U, 2.8g All sto...

A Vintage citrine and diamond dress ring, claw set with round-cut citrine and rose-cut diamonds, apparently unmarked settings test as 9ct gold, se...

A mid-20th century graduated five stone diamond half hoop ring, maker DRC, set with old-cut diamonds, total diamond content approx 0.75ct, size P,...

GAY FRERES - a pair of French 18ct gold silver diamond and enamel 'Leopard Spot' hoop clip-on earrings, maker GFF, set with modern round brilliant...

A pair of 18ct white gold 1.01ct solitaire diamond stud earrings, each claw set with individually certificated modern round brilliant-cut diamonds...

A pair of 18ct gold emerald and diamond Forget-Me-Not earrings, set with oval mixed-cut emeralds, modern round brilliant-cut diamonds, and stud fi...

An 18ct white gold 0.5ct solitaire diamond pendant necklace, rub-over set with modern round brilliant-cut diamond, colour approx I/J, clarity appr...

A platinum sapphire and diamond flowerhead cluster ring, maker JC, set with 1ct round-cut sapphire surrounded by single and modern round brilliant...

A Victorian emerald and diamond cruciform ring, circa 1840, collet set with table-cut diamonds, apparently unmarked, setting height 25.3mm, size Q...

An Art Deco 18ct white gold diamond full eternity band ring, millegrain set with eight-cut diamonds and foliate engraved bridge, total diamond con...