DIAMOND PLAQUE RING CIRCA 1925 Old brilliant, cushion-shaped and single-cut diamonds, approx. 1.00ct total Mounted in platinum Ring size approx. F...

DIAMOND FLOWER EARRINGS, LATE 19TH CENTURY AND LATER Old cushion-shaped diamonds, approx. 1.40cts total Mounted in silver and gold Length 1.5cm To...

DIAMOND-SET FLOWERHEAD BANGLE, CIRCA 1890 Hinged Old cushion-shaped diamond, approx. 0.15ct Rose-cut diamonds Mounted in silver and gold French a...

DIAMOND RING, 1982 Old brilliant-cut and single-cut diamonds Principal diamond approx. 1.35cts, remaining diamonds approx. 0.10ct total Platinum U...

DIAMOND-SET WATCH Single-cut diamonds, approx. 0.45ct total French assay mark Inner circumference approx. 14.0-23.0cm (adjustable) Weight approx. ...

DIAMOND AND GEM-SET CHARM BRACELET EARLY 20TH CENTURY Single and rose-cut diamonds Cushion-shaped red gemstone Mounted in platinum Length 17.0cm W...

DIAMOND PLAQUE JEWEL, MID 20TH CENTURY Old brilliant and single-cut diamonds, principal diamond approx. 1.25cts, remaining diamonds approx. 2.05ct...

DIAMOND-SET PENDENT EARRINGS, EARLY 20TH CENTURY AND LATER Old brilliant and cushion-shaped diamonds, approx. 1.50cts total Possibly converted fro...

DIAMOND HEART PENDANT/BROOCH, CIRCA 1900 Old brilliant-cut diamonds, approx. 1.30cts total Mounted in gold and silver Length 3.5cm Weight approx....

DIAMOND PENDANT NECKLACE, EARLY 20TH CENTURY AND LATER Old brilliant and single-cut diamonds, approx. 0.65ct total Mounted in platinum and gold La...

DIAMOND BAR BROOCH, EARLY 20TH CENTURY AND LATER Old brilliant-cut diamonds, approx. 1.70cts total Later brooch pin Length 5.0cm Weight approx. 5....

DIAMOND-SET BROOCH/PENDANT, CIRCA 1880 Cushion-shaped and rose-cut diamonds Cushion-shaped diamonds approx. 1.95cts total Mounted in silver and go...

ART NOUVEAU PEARL AND DIAMOND WING BROOCH, CIRCA 1900 Pearl Rose-cut diamonds Mounted in gold French assay mark Length 1.8 x 8.7cm Weight approx. ...

GEM-SET COCKEREL CLIP BROOCH Ruby cabochon Carved sapphires Length 2.5cm Weight approx. 7.5g Footnotes: OVERALL CONDITION Light surface wear to th...

RUBY AND DIAMOND RING, 2008 Oval-cut ruby, weighing 1.05cts Brilliant-cut diamonds, approx. 0.50ct total 18 carat gold London hallmark Ring size a...

FOLIATE BROOCH, MID TO LATE 19TH CENTURY Length 4.0cm Weight approx. 9.0g Footnotes: OVERALL CONDITION Light surface wear to the unhallmarked yell...

TWO GEM-SET RINGS WITH HEART-SHAPED LOCKET 1st: Garnet and diamond ring, 1975 Oval-cut garnet Brilliant-cut diamonds, approx. 0.20ct total 18 cara...

SEED PEARL BUTTERFLY BROOCH, CIRCA 1900 Seed pearls Lengths: pin 3.9cm, butterfly 2.3cm Weight approx. 2.5g Cased by Gieves Ltd, 21 Old Bond Stree...

LOCKET PENDANT, CIRCA 1870 Glazed compartment to reverse Mounted in gold Length 5.6 x 3.7cm Weight approx. 18.0g Footnotes: OVERALL CONDITION Lig...

TWO GOLD BUCKLE RINGS 1st: Diamond-set gold buckle ring, 1875 Old cushion-shaped diamond approx. 0.35ct 18 carat gold UK hallmark Ring size approx...

TURQUOISE MATRIX NECKLACE AND BROOCH; CHILD AND CHILD: TURQUOISE MATRIX NECKLACE 1st: Turquoise matrix necklace and bar brooch Turquoise matrix be...

CHALCEDONY AND TURQUOISE BROOCH, CIRCA 1830 Oval-cut chalcedony Turquoise cabochons Mounted in gold Length 3.6 x 2.6cm Weight approx. 12.5g Footn...

GEM-SET RING, CIRCA 1830 Step-cut green gemstone Turquoise Half pearls One turquoise deficient Ring size approx. O½ Weight approx. 4.0g Footnotes:...

JADE PENDENT EARRINGS, CIRCA 1900 AND LATER Carved jade Length 7.5cm Total weight approx. 9.0g Footnotes: OVERALL CONDITION Light surface wear to...

HARDSTONE FOB SEAL, EARLY 19TH CENTURY Carnelian matrix Length 3.2cm, length of seal 2.2cm Weight approx. 15.0g Footnotes: OVERALL CONDITION Light...

TOPAZ RING; OF ROYAL INTEREST: PORTRAIT MINIATURE BROOCH 1st: Portrait miniature brooch, 18th century Depicting William III, background reading W ...

DIAMOND RING, EARLY 19TH CENTURY Rose-cut diamonds Closed-back settings Mounted in silver and gold Ring size approx. L (hoop off-round), plaque ap...

FIVE FOB SEALS AND A SWIVEL FOB PENDANT NECKLACE, 19TH CENTURY AND LATER 1st: Stirrup form, foliate engraved case Rectangular bloodstone intaglio ...

COLLECTION OF ANIMAL AND INSECT STICK PINS AND BROOCHES 1st: Scottish Terrier brooch, 1953 9 carat gold UK hallmark Lengths: pin 4.9cm, dog 1.6 x ...

CHARM BRACELET, 19TH CENTURY AND LATER Suspending twelve charms, including two hardstone fobs and a locket Inner circumference very approx. 15.0cm...

SHELL CAMEO BROOCH/PENDANT, EARLY 19TH CENTURY Carved shell depicting the story of Pygmalion Length 8.0 x 6.7cm Weight 38.0g Footnotes: Please no...

FIVE SHELL CAMEO BROOCHES Five shell cameo brooches depicting classical and religious scenes Each shell cameo set within a yellow metal mount with...

CULTURED PEARL NECKLACE WITH CULTURED PEARL AND DIAMOND-SET CLASP 8.0-8.4mm cultured pearls 5.9mm cultured pearl (clasp) Brilliant-cut diamonds L...

CULTURED PEARL NECKLACE, SAPPHIRE AND DIAMOND CLUSTER RING AND EARRINGS 1st: Cultured pearl necklace with sapphire and diamond clasp 6.0-6.4mm cul...

SAPPHIRE AND DIAMOND RING, CIRCA 1975 Oval-cut sapphire, approx. 0.95ct Single-cut diamonds, approx. 0.25ct total 18 carat gold Import mark Ring s...

SAPPHIRE AND DIAMOND BAR BROOCH, EARLY 20TH CENTURY Step-cut sapphires Old brilliant and cushion-shaped diamonds, approx. 0.80ct total French assa...

BULGARI: DIAMOND-SET 'INFINITO' RING Brilliant-cut diamond, very approx. 0.03ct Signed Bulgari Ring size approx. G½ Weight approx. 4.5g Footnotes...

TIFFANY: 'ATLAS' PENDANT/NECKLACE AND RING Signed Tiffany & Co. Lengths: pendant 3.6cm, chain 40.4cm, ring size approx. I½ Maker's pouch Total wei...

DIAMOND SINGLE-STONE RING Princess-cut diamond weighing 1.01 carat Ring size approx. G Weight approx. 4.0g Footnotes: GIA: 1.01 carat, F colour, V...

DIAMOND LINE BRACELET Brilliant-cut diamonds, approx. 1.65cts total Length 17.6cm Weight approx. 17.5g Footnotes: OVERALL CONDITION Some surface w...

TIFFANY: DIAMOND 'ETOILE' BANGLE, 2001 Hinged Brilliant-cut diamonds, approx. 0.20ct total Platinum Signed Tiffany & Co., maker's mark, London hal...

DIAMOND PENDANT NECKLACE Old brilliant-cut diamonds, approx. 1.75cts total Lengths: 45.0cm - 50.0cm chain (adjustable), 7.9cm pendant drop Weight...

TIFFANY: DIAMOND ETERNITY RING, 2005 Brilliant-cut diamonds, approx. 0.70ct total Platinum Signed T&Co., maker's mark, London hallmark Ring size a...

PALOMA PICASSO FOR TIFFANY: DIAMOND-SET CROSS PENDANT/NECKLACE, 2004 Brilliant-cut diamonds, approx. 1.00ct total 18 carat white gold Signed Palom...

ELSA PERETTI FOR TIFFANY: DIAMOND 'SEVILLANA' PENDANT, 2006 Brilliant-cut diamonds, approx. 1.70cts total Platinum Suspended from a cord necklace ...

TIFFANY: TWO PAIRS OF DIAMOND-SET EARRINGS 1st: Paloma Picasso for Tiffany diamond-set heart earrings Brilliant-cut diamond Textured 18 carat whit...

TIFFANY: DIAMOND PENDANT NECKLACE, 2002 Heart-shaped diamond weighing 0.51 carat Platinum Signed Tiffany & Co., maker's mark, London hallmark Leng...

Lot withdrawn: please contact Bonhams for more information about this lot For further information about this lot please visit the lot listingSa...

AQUAMARINE AND DIAMOND PENDENT EARCLIPS Circular-cut aquamarine Baguette-cut diamonds, approx. 0.40ct total Length 2.5cm Total weight approx. 6.5g...

AMETHYST, PERIDOT AND DIAMOND DRESS RING, 2009 Step-cut amethyst Fancy-cut peridot, one chipped Brilliant-cut diamonds approx. 0.25ct total 18 car...

GIORGIO VISCONTI: DIAMOND SET EARRINGS Brilliant-cut diamonds, approx. 1.00ct total Signed Giorgio Visconti Length 2.2cm Total weight approx. 29.0...

FRANK GEHRY FOR TIFFANY: DIAMOND-SET 'TORQUE' PENDANT/NECKLACE, 2007 Brilliant-cut diamonds, approx. 0.60ct total 18 carat white gold Signed Tiffa...

TWO GEM-SET RINGS 1st: Emerald and diamond cluster ring Step-cut emerald, approx. 1.00ct Brilliant and tapered baguette-cut diamonds, approx. 0.25...

EMERALD AND DIAMOND RING Step-cut emerald, approx. 3.60cts total Tapered baguette-cut diamonds, approx. 1.80cts total Ring size approx. N Weight a...

TOURMALINE EARRINGS AND PENDANT Checkerboard-cut tourmalines Brilliant-cut diamonds, approx. 0.85ct total Lengths: earrings 2.7cm, pendant 2.3cm T...

DIAMOND RING Brilliant and baguette-cut diamonds, approx. 0.80ct total 18 carat white gold London hallmark Ring size approx. K (hoop off-round) We...

CARTIER: DIAMOND-SET HEART PENDANT NECKLACE Brilliant-cut diamonds, approx. 0.10ct total 18 carat white gold Signed Cartier, numbered M63161, Swis...

DIAMOND LINE BRACELET Old brilliant-cut diamonds, approx. 3.15cts total Length 17.2cm Weight approx. 13.5g Footnotes: OVERALL CONDITION Light surf...

CHANEL: 'MATELASSÉ' RING, 2006 Articulated 18 carat white gold Signed Chanel, maker's mark, London hallmark Ring size approx. P (leading edge), wi...

DIAMOND RING, 2003 Brilliant-cut diamonds, approx. 1.05cts total Platinum UK hallmark Ring size approx. H Weight approx. 5.0g Footnotes: OVERALL C...