CARTIER: DIAMOND-SET 'DOUBLE-C DECOR' RING Set with brilliant-cut diamonds, signed Cartier, maker's mark, numbered, ring size approx. M For furth...

CARTIER: DIAMOND-SET EARRINGS Bicoloured, with brilliant-cut diamonds, diamonds approx. 1.25cts total, signed Cartier, numbered 741086 and 825114...

DIAMOND BOW RING Of ribbon bow design, set with brilliant and tapered baguette-cut diamonds, suspending a pear-shaped diamond drop weighing 0.31 c...

CHOPARD: 'HAPPY DIAMONDS' EARRINGS Each heart-shaped pendant, set with brilliant-cut diamonds, the glazed compartment revealing three 'floating' d...

PIAGET: DIAMOND-SET 'POSSESSION' RING Set with princess-cut diamonds on a rotating central hoop, mounted in 18 carat white gold, signed Piaget, nu...

BOODLES: DIAMOND 'FIREFLY' PENDANT/NECKLACE, 2006 Set with brilliant and marquise-cut diamonds, diamonds approx. 0.85ct total, signed Boodles, mak...

BOODLES: DIAMOND 'CABARET' EARRINGS, 2007 Set with brilliant-cut diamonds, mounted in platinum, signed Boodles, maker's mark B&D, numbered, London...

BOODLES: DIAMOND 'CABARET' PENDANT/NECKLACE, 2007 Set with brilliant-cut diamonds, the trace-link chain accented with two diamonds, mounted in pla...

CARTIER: HOOP EARRINGS, CIRCA 1978 Bicoloured, 18 carat gold, signed Cartier Paris, numbered, maker's mark JC, London import mark, French assay ma...

DIAMOND PENDENT EARRINGS Set with brilliant-cut diamonds, the pendent detachable, diamonds approx. 3.14cts total, length: earstud 0.9cm, detacha...

PIAGET: DIAMOND RING Set with an oval-cut diamond, mounted in 18 carat gold, diamond approx. 0.35ct, signed Piaget, maker's mark PG, numbered, Swi...

TIFFANY: DIAMOND-SET RING, 2007Set with brilliant-cut diamonds, mounted in 18 carat white gold of brushed and polished finish, signed Tiffany & Co...

DIAMOND FLOWER PENDANT/NECKLACE Set with brilliant-cut diamonds, diamonds approx. 1.00ct total, lengths: pendant 2.1cm, chain 48.4cm For further i...

TIFFANY: DIAMOND SINGLE-STONE RING Set with a princess-cut diamond weighing 0.43 carat, signed Tiffany & Co., numbered, ring size approx. L½ , mak...

DIAMOND PLAQUE RING Set with cushion-shaped diamonds, diamonds approx. 1.30cts total, ring size approx. N½ For further information on this lot pl...

EMERALD AND DIAMOND RING AND DIAMOND ETERNITY RING 1st: Set with circular-cut emeralds and brilliant-cut diamonds, mounted in platinum, 2nd: Set t...

DIAMOND CLUSTER RING Set with brilliant-cut diamonds, diamonds approx. 1.55cts total, ring size approx. P For further information on this lot plea...

GOLD NECKLACE Of 18 carat gold ladder-linking, partial UK hallmark, European convention mark, length 40.4cm For further information on this lot pl...

TOURMALINE AND DIAMOND RING Set with an oval-cut green tourmaline and brilliant and baguette-cut diamonds, ring size approx. N½ For further infor...

GOLD NECKLACE, 1999 Bicoloured, of 18 carat gold textured and polished fancy-linking, London hallmark, length 40.5cm For further information on th...

BRACELET Of curb-linking, with a central figure-of-eight link, length approx. 17.0cm For further information on this lot please visit Bonhams.com

CHARM BRACELET The curb-link bracelet, suspending 22 charms, including citrine swivel fobs, a bloodstone and carnelian swivel fob, a mermaid ben...

CROPP AND FARR: GOLD BRACELET, 1994 Of 18 carat gold brick-linking, maker's mark C&F, UK hallmark, length 18.3cm For further information on this l...

CHARM BRACELET, 19TH-20TH CENTURYThe 9 carat gold curb-link bracelet, suspending 19 charms including a 9 carat gold church opening to reveal a wed...

GOLD CHATELAINE, LATE 18TH-19TH CENTURY Comprising a 9 carat gold pen-knife, 1793, a reeded pencil holder with pencil, a matchstick box and key, s...

COLLECTION OF GEM-SET PINS, 19TH-20TH CENTURY 1st: The stickpins variously set with a blue enamel horseshoe, a black and white enamel floral spher...

SAPPHIRE AND DIAMOND RING AND EARRINGS 1st: Of openwork design, the step-cut sapphire within a concentric square cushion-shaped diamond surround, ...

COLLECTION OF GEM-SET JEWELLERY 1st: The five-stone ring set with circular-cut sapphires and brilliant-cut diamonds, mounted in 18 carat gold, 2nd...

COLLECTION OF GEM-SET JEWELLERY 19TH-20TH CENTURY 1st: The brooch designed as a flower with heart-shaped citrine or amethyst petals, accented by c...

ETRUSCAN REVIVAL SARDONYX PENDANT/NECKLACE, CIRCA 1860 The sardonyx cabochon within a gold scalloped and beaded frame and ropetwist surround, with...

DIAMOND-SET SNAKE RING, 19TH CENTURY The coiled snake with a cushion-shaped diamond head, diamond approx. 0.25ct, ring size approx. K1⁄2 For furth...

DIAMOND FIVE-STONE RING Set with old brilliant and brilliant-cut diamonds, diamonds approx. 1.15cts total, ring size approx. O For further inform...

CULTURED PEARL AND DIAMOND PENDENT EARRINGS Each baguette and brilliant-cut diamond surmount, suspending a row of brilliant-cut diamonds, terminat...

DIAMOND COCKTAIL WATCH, CIRCA 1925 The circular dial with Arabic numerals, the bezel and geometric lugs set with old brilliant-cut and cushion-sha...

THREE DIAMOND AND SAPPHIRE BROOCHES 1st: The plaque brooch set with circular and oval-cut sapphires and cushion-shaped diamonds, 2nd: The bar broo...

DIAMOND-SET COCKTAIL WATCH, CIRCA 1930 Th rectangular dial with Arabic numerals, the bezel and geometric lugs set with single and old brilliant-cu...

DIAMOND THREE STONE RING Set with old brilliant-cut diamonds, between single-cut diamond shoulders, diamonds approx. 0.80ct total, ring size appr...

DIAMOND BROOCH, LATE 19TH CENTURY Set with old brilliant-cut diamonds, diamonds approx. 2.25cts total, length approx. 2.8cm For further informatio...

TWO DIAMOND RINGS 1st: Of plaque design, set with cushion-shaped diamonds, 2nd: The cushion-shaped diamond between obliquely-set shoulders of simi...

SAPPHIRE AND DIAMOND BAR BROOCH, EARLY 20TH CENTURY Set with step-cut sapphires and old brilliant-cut and cushion-shaped diamonds, diamonds appro...

DIAMOND BRACELET Set with baguette and brilliant-cut diamonds, diamonds approx. 6.50cts total, length 16.8cm For further information on this lot p...

DIAMOND HOOP EARRINGS Each half-hoop set with baguette and brilliant-cut diamonds, diamonds approx. 2.55cts total, length 1.8cm For further infor...

SAPPHIRE AND DIAMOND BRACELET Set with circular-cut sapphires and single-cut diamonds, mounted in silver, sapphires untested, diamonds approx. 0.8...

BAUME & MERCIER: DIAMOND-SET WRISTWATCH, CIRCA 1971The oval dial with baton hour markers, within a single-cut diamond bezel, on an 18 carat white ...

COLOURED DIAMOND AND DIAMOND RING, AND GOLD BAND 1st: The trifurcated band set with three rows of cushion-shaped diamonds of yellow tint and simil...

FANCY-LINK BRACELET Of floral gate-linking, length 18.6cm For further information on this lot please visit Bonhams.com

THREE GEM-SET AND DIAMOND RINGS1st: The step-cut aquamarine between brilliant-cut diamonds, mounted in 18 carat gold, 2nd: The cushion-shaped pink...

B H BRITTON & SONS: GOLD FRINGE NECKLACE, 1965 Of 9 carat gold fringe and brick-linking, maker's mark B&S, UK hallmark, length 36.2cm For further...

COLOURED DIAMOND AND DIAMOND RING The half eternity ring, set with alternating brilliant-cut diamonds and yellow diamonds, yellow diamonds not tes...

CHAIN NECKLACE Of flattened fancy-linking, length 44.9cm For further information on this lot please visit Bonhams.com

RUBY AND DIAMOND DRESS RING, 1978 Set with oval and pear-shaped rubies and brilliant-cut diamonds, mounted in 18 carat gold, diamonds approx. 0.60...

DIAMOND-SET BROOCH Bi-coloured, the four leaf clover set throughout with brilliant-cut diamonds, diamonds approx. 1.25cts total, French assay mark...

DIAMOND DRESS RING Of bombé design, set with graduated rows of single-cut diamonds, to a central cushion-shaped diamond, mounted in silver, diamon...

RUBY AND DIAMOND LINE BRACELET Set with circular-cut rubies, synthetic rubies and old brilliant-cut diamonds, diamonds approx. 5.00cts total, Aus...

RUBY AND DIAMOND CLUSTER RING The circular-cut ruby within a brilliant-cut diamond surround, ring size approx. N For further information on this l...

DIAMOND BANGLE The square-shaped hinged bangle, set throughout with brilliant-cut diamonds, diamonds approx. 2.15cts total, inner circumference v...

BOULDER OPAL PENDANT/NECKLACE Set with a boulder opal, on a box-link chain, lengths: pendant 3.6cm, chain 50.1cm For further information on this l...

DIAMOND THREE-STONE RING The step-cut diamond, between trilliant-cut diamond shoulders, principal diamond approx. 1.00ct, remaining diamonds 0.35c...

SAPPHIRE AND DIAMOND PENDANT/NECKLACE Set with circular-cut sapphires and brilliant-cut diamonds, suspended from a curb-link chain, diamonds appro...

SAPPHIRE AND DIAMOND CLUSTER RING The cushion-shaped sapphire within a brilliant-cut diamond surround, sapphire approx. 1.25cts, Swedish assay mar...