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Kailis South Sea pearl necklace marked Jorg Heinz original…

Kailis South Sea Pearl Necklace with Diamond Clasp

Kailis South Sea pearl necklace marked Jorg Heinz original Kailis to the diamond set ball clasp 1014***, 28 13 mm - 14.3 mm pearls, Aa-Aaa quality. Length 41 cm

18ct 450 stone ruby and diamond necklace, design of 45 floret…

Ruby and Diamond Necklace with 45 Floret Clusters

18ct 450 stone ruby and diamond necklace, design of 45 floret clusters of oval mixed cut rubies approx 9.0cts tgw surrounded by brilliant cut diamonds approx 6.0cts TDW, 45 cm length

Fancy 14ct 437 stone diamond necklace, all hinged link 12 oval…

Star Burst Diamond Necklace with 437 Stones

Fancy 14ct 437 stone diamond necklace, all hinged link 12 oval panels, two marquise panels and 16 oval back panels all of star burst design set with native cut diamonds, ten pendant diamond drops approx 12.50ct TDW, 42 cm long

A diamond single-stone pendant, the cushion-shaped diamond,…

Cushion Diamond Pendant on Fine Chain

A diamond single-stone pendant, the cushion-shaped diamond, weighing approx. 2.75ct, in eight claw setting suspended on knife-edge bar and a fine link chain.

Platinum and diamond 'Diamonds by the Yard' necklace, Elsa…

Peretti's Diamonds by the Yard Necklace

Platinum and diamond 'Diamonds by the Yard' necklace, Elsa Peretti for Tiffany & Co., designed as a long trace chain collet-set at intervals with twelve brilliant-cut diamonds together weighing between 1.20-1.30 carats, length approximately 920 mm, signed…

Platinum and diamond pendant necklace, Terminating in a…

Diamond Drop Pendant with Surrounding Brilliance

Platinum and diamond pendant necklace, Terminating in a drop-shaped plaque centring a pear brilliant-cut diamond weighing 1.01 carats within an open work surround decorated with brilliant-cut diamonds, completed by a fine trace chain, circumference…

Art Deco diamond pendant necklace, circa 1910, property from a…

1910 Art Deco Diamond Pendant Necklace from Private Collection

Art Deco diamond pendant necklace, circa 1910, property from a private collection, terminating on a swing drop millegrain-set with an old European-cut diamond weighing approximately 1.58 carats, surmounted by a similarly set diamond between an openwork…

Platinum and diamond necklace Collet-set with a heart-shaped…

Heart-shaped diamond necklace with old European-cut diamonds

Platinum and diamond necklace Collet-set with a heart-shaped diamond weighing approximately 1.72 carats within a filigree surround framed by a scalloped border millegrain-set with old European-cut diamonds to a trace chain, pendant approximately 18 x 18…

A strand of South Sea pearls by Paspaley, comprising thirty…

Paspaley South Sea Pearl Strand with Diamond Clasp

A strand of South Sea pearls by Paspaley, comprising thirty eight Baroque pearls of creamy white hues measuring 11.0 mm to 14.0 mm, finished with a concealed clasp set with a single brilliant cut diamond, total length 440 mm, with box, pouch and papers

18ct 42 stone sapphire & diamond necklace seven oval dark blue…

Sapphire and Diamond Necklace with Cluster Pendant

18ct 42 stone sapphire & diamond necklace seven oval dark blue sapphires interspaced with diamonds supporting single sapphire and diamond cluster pendant on fine mixed curb link chain, approx 13.00cts tsw and 0.50cts TDW 48 cm length

A cultured pearl and diamond necklace, comprising a double row…

Double Row Cultured Pearl and Diamond Necklace

A cultured pearl and diamond necklace, comprising a double row of pearls suspending diamond set plaques and a triple row of graduated pearls measuring 9.96 - 13.34 mm. Platinum. Length 49 cm.

A diamond Zipper necklace, estimated diamonds weight approx 10.…

Jacqueline Lillie's 10ct Diamond Zipper Necklace

A diamond Zipper necklace, estimated diamonds weight approx 10.00 carats, length 35.5 cm. Jacqueline I. Lillie has pieces in the collections of the Cooper-Hewitt Museum of design, Corning Museum of glass, the Metropolitan Museum of Art, Powerhouse Museum…

A diamonds by the Yard necklace by Tiffany & Co, from the Elsa…

Elsa Peretti's 2.80ct Diamond Necklace by Tiffany & Co

A diamonds by the Yard necklace by Tiffany & Co, from the Elsa Peretti collection, set with twenty round brilliant cut diamonds totalling 2.80cts, mounted in platinum, total length 790 mm.

Platinum and diamond necklace, Tiffany & Co., modelled as an…

Tiffany Star Diamond Necklace

Platinum and diamond necklace, Tiffany & Co., modelled as an eight point star pave-set with brilliant-cut diamonds suspended from a fine trace link chain accented at intervals with eleven collet-set diamonds, the diamonds together weighing approximately 2…

Elsa Peretti for Tiffany & Co. 'Diamonds by the Yard' necklace,…

Elsa Peretti for Tiffany & Co. 'Diamonds by the Yard' necklace, designed as a continuous line of 11 spectacle-set brilliant-cut diamonds alternating between trace link chain connectors, the diamonds together weighing approximately 1.87 carats, mounted in…

Diamond necklace, platinum featuring graduated round brilliant…

Graduated Diamond Bezel Necklace in Platinum

Diamond necklace, platinum featuring graduated round brilliant cut diamonds, all bezel set, approximately 10ct total weight, G/H colour, Si-pique clarity, stamped 'D1001 PT900', 36 grams, length 40 cm

Diamond necklace, the claw-set heart brilliant-cut diamond…

1.5 ct Heart Diamond Necklace with GIA Report

Diamond necklace, the claw-set heart brilliant-cut diamond weighing 1.50 carats, is completed by a fine platinum trace chain, circumference 465 mm, accompanied by a GIA report numbered 3365498769, dated 02 November 2020, stating that the 1.50 carat…

Aquamarine and diamond cocktail necklace, retailed by C.V.…

Aquamarine and diamond cocktail necklace, retailed by C.V. Secrett, the knifewire open collar extending to ribbon terminals set throughout with single-cut diamonds and suspending a briolette shaped aquamarine measuring approximately 470 x 18.70 x 12.5 mm,…

Diamond necklace, retailed by Hardy Bros, of scrolling foliate…

9ct Diamond Necklace by Hardy Bros

Diamond necklace, retailed by Hardy Bros, of scrolling foliate design set throughout with marquise, baguette and round brilliant-cut diamonds, estimated total diamond weight 9.00carats, mounted in platinum, accompanied by Hardy Bros. fitted box, weight 36…

Diamond necklace, mid 20th century, Set to the front with a…

Mid-century Diamond Necklace with Foliate Motif and Swing Drop

Diamond necklace, mid 20th century, Set to the front with a line of collet-set brilliant-cut diamonds alternating between a foliate motif decorated with diamonds suspending to the front a pear-shaped diamond set swing drop, completed by a trace link chain…

Platinum, emerald and diamond necklace, Sophia D., designed as…

Sophia D. Emerald Diamond Necklace

Platinum, emerald and diamond necklace, Sophia D., designed as a line of brilliant-cut diamonds suspending a swag of similarly-cut diamonds accented at intervals with step-cut emeralds, the emeralds and diamonds together weighing approximately 16.02…

14ct 92 stone emerald and diamond necklace, 46 hinged links of…

Emerald and Diamond Necklace with 92 Stones

14ct 92 stone emerald and diamond necklace, 46 hinged links of oval bright green emerald interspaced with round brilliant cut diamond, 31.94cts tew, 1.68cts TDW

Tahitian pearl necklace, comprising thirty three graduating…

Bronze Tahitian Pearl Necklace with Diamond Clasp

Tahitian pearl necklace, comprising thirty three graduating round pearls of deep bronze hues measuring approximately 9.7 mm - 15.0 mm, to a ball clasp set with brilliant-cut champagne and cognac diamonds, length approximately 420 mm.

Early Victorian 15ct amethyst and diamond snake necklace,…

15ct Amethyst and Diamond Snake Necklace with Ruby Eyes

Early Victorian 15ct amethyst and diamond snake necklace, articulated neck chain with three oval mixed cut amethysts to the head each set with single rose cut diamond, ruby eyes with heart pedant set with single amethyst and diamond, reverse locket panel,…

Platinum and diamond necklace, designed as a graduated line of…

Diamond Baguette Graduated Necklace

Platinum and diamond necklace, designed as a graduated line of channel-set baguette diamonds, the diamonds together stated to weigh 11.40 carats, inner circumference approximately 410 mm.

Diamond necklace, set to the front with a line of 89 claw-set…

Brilliant Fringe Diamond Necklace

Diamond necklace, set to the front with a line of 89 claw-set brilliant-cut diamonds suspending a graduated fringe of articulated bars accented with similarly set brilliant-cut diamonds, completed by a chain of polished spheres, the diamonds together…

Tiffany & Co., 'Victoria' pendant necklace, set with marquise…

Tiffany & Co. Diamond Flower Pendant Necklace

Tiffany & Co., 'Victoria' pendant necklace, set with marquise and pear shaped diamonds forming a flower head, the fine trace link necklace set at intervals with spectacle-set brilliant-cut diamonds, estimated total diamond weight 2.50 carats, signed…

Tiffany & Co., cultured pearl and diamond necklace designed as…

Tiffany Pearl & Diamond Necklace

Tiffany & Co., cultured pearl and diamond necklace designed as a row of 36 white round pearls alternating with clusters of brilliant-cut diamonds, estimated total diamond weight 60 carats, signed Tiffany & Co., mounted in platinum, accompanied by maker's…

A sapphire and diamond necklace by Tiffany & Co., from the…

Tiffany Sapphire & Diamond Necklace from Victoria Collection

A sapphire and diamond necklace by Tiffany & Co., from the Victoria collection, comprising sixty round cut sapphires totalling 6.45cts, with fifty seven alternating round brilliant cut diamonds totalling 5.40cts, mounted in platinum, to a marquise diamond…

A Belle Epoque platinum diamond necklace; centrepiece features…

Platinum Diamond Necklace with 10.55ct Estimated Weight

A Belle Epoque platinum diamond necklace; centrepiece features a drop shape cluster with an articulating old European cut diamond estimated as 5.00ct. M - P1 to surround of 21 old European cut diamonds bellow a line of three old European cut diamonds…

Diamond riviere necklace, composed of a graduated line of 139…

Graduated Diamond Riviere Necklace in Platinum

Diamond riviere necklace, composed of a graduated line of 139 collet-set brilliant-cut diamonds completed by a concealed box clasp, the diamonds together weighing approximately 13.51 carats, mounted in platinum, length 440 mm.

A Belle Epoque emerald and diamond necklace, circa 1910, of…

Emerald and Diamond Crossover Necklace

A Belle Epoque emerald and diamond necklace, circa 1910, of crossover design, the articulated ribbon motif set with single-cut diamonds terminating in a pear-shaped emerald drop to a fine chain necklace spectacle set with old European-cut diamonds,…

An Edwardian diamond pendant necklace, circa 1910. Claw set…

Edwardian Diamond Pendant Necklace with Graduating Stones

An Edwardian diamond pendant necklace, circa 1910. Claw set with four graduating old European cut diamonds of estimated weights 2.75, 0.49, 0.23, 0.17 and 0.09 carats, suspended from a fine anchor link chain. Platinum. Weight 6.70 grams. Length 39.5 cm.

Platinum and diamond collier, Cartier Paris composed of a…

Cartier Paris Diamond Collier

Platinum and diamond collier, Cartier Paris composed of a graduated line of one hundred and thirteen claw-set brilliant-cut diamonds completed by a concealed box clasp, the diamonds together weighing approximately 10.50 carats, gross weight approximately…

Platinum and diamond 'Diamonds By the Yard' necklace, Elsa…

Elsa Peretti's Diamond By the Yard Necklace

Platinum and diamond 'Diamonds By the Yard' necklace, Elsa Peretti for Tiffany & Co., designed as a long trace chain spectacle-set at intervals with twenty-four brilliant-cut diamonds together weighing approximately 4.32 carats, length approximately 9,650…

Tiffany &. Co, platinum and diamond collar, 1990. Modelled…

Tiffany & Co Platinum Diamond Collar, 1990 - 6.67 carats

Tiffany &. Co, platinum and diamond collar, 1990. Modelled as a continuous line of open geometric links, set throughout with brilliant-cut diamonds together weighing 6.67 carats, completed by a tongue and groove clasp, signed, length 430 mm..…

Tiffany & Co., diamond 'Enchant Flower' necklace, designed as a…

Tiffany's Enchant Flower Diamond Necklace

Tiffany & Co., diamond 'Enchant Flower' necklace, designed as a swag of flowers set throughout with rose and brilliant-cut diamonds, estimated total diamond weight 12.50 carats, signed Tiffany & Co., mounted in platinum, accompanied by maker's box, weight…

An emerald and diamond necklace, Tony White, the necklace…

Emerald and Diamond Necklace with Carved Plaques

An emerald and diamond necklace, Tony White, the necklace consisting of six rows of graduated polished emerald beads, set to each side with a carved emerald and diamond plaques, diamonds approx 3.70ct total, length of shortest strand 40.5 cm.

Platinum emerald and diamond necklace featuring 36 emeralds and…

Emerald & Diamond Platinum Necklace with 802 Stones

Platinum emerald and diamond necklace featuring 36 emeralds and 802 diamonds

An Art Deco diamond riviere necklace, comprising one hundred…

Art Deco Diamond Riviere Necklace - 14.50cts

An Art Deco diamond riviere necklace, comprising one hundred and twenty three graduated old brilliant cut diamonds, each individually set in mille grain rubbed over collet mounts, including three diamonds set as a hidden clasp. Total diamond weight: 14…

An impressive platinum emerald and diamond necklace…

Platinum Emerald and Diamond Necklace with 82.71ct Emeralds

An impressive platinum emerald and diamond necklace thirty-three cushion, oval and emerald cut medium-dark emeralds bead set and surrounded by a halo of small round brilliant cut diamonds, TEW 82.71ct, TDW 9.23ct, push clasp with safety catch. Gemologist…

Tanzanite and diamond necklace, Tiffany & Co., the front…

Tanzanite and Diamond Necklace by Tiffany & Co

Tanzanite and diamond necklace, Tiffany & Co., the front designed as a double-swag of four cushion-shaped tanzanites together weighing approximately 19.35 carats, set at intervals between baton shaped links pave-set with round brilliant-cut diamonds…

Platinum emerald and diamond necklace featuring centre, 25 pear…

Emerald and Diamond Platinum Necklace - 68.49ct TSW

Platinum emerald and diamond necklace featuring centre, 25 pear cut, medium dark green emerald, 68.49ct TSW, heavy natural inclusions, with 740 round brilliant cut diamonds, 9.23ct TDW, colour G/H, clarity SI. Spring clasp and safety bar, total item…

All platinum 31 stone emerald and diamond necklace 31…

Platinum Emerald & Diamond Necklace: 31 Stones, 113.67cts

All platinum 31 stone emerald and diamond necklace 31 graduating oval cushion cut medium-dark green emeralds 113.67cts tsw, 4-claw set on scroll galleries surrounded with 712 round brilliant cut diamonds 8.62cts TDW 45 cm length

Platinum, aquamarine and diamond sautoir, comprising of a…

Diamond and Aquamarine Sautoir Necklace

Platinum, aquamarine and diamond sautoir, comprising of a necklace modelled as a line of openwork geometric links pave-set with brilliant-cut diamonds between rectangular spacers channel-set with baguette diamonds, supporting an emerald-cut aquamarine…

Tiffany &, Co., platinum and diamond 'Victoria' necklace, of…

Tiffany Platinum & Diamond Victoria Necklace

Tiffany &, Co., platinum and diamond 'Victoria' necklace, of graduated riviere style, comprising one-hundred and seventeen brilliant-cut diamonds together weighing 10.85 carats, completed by a flowerhead clasp set with four marquise-cut diamonds together…

Platinum and diamond 'Masterpiece' pendant necklace, Tiffany &…

Tiffany & Co. Diamond Masterpiece Pendant Necklace

Platinum and diamond 'Masterpiece' pendant necklace, Tiffany & Co., circa 2015, of architectural design, modelled as a pierced out circular plaque embellished with circular and baguette diamonds, applied to one side with a pair of similarly decorated…

Platinum, sapphire and diamond necklace, Bulgari, designed as a…

Bulgari Sapphire and Diamond Necklace

Platinum, sapphire and diamond necklace, Bulgari, designed as a line of claw-set mixed-cut sapphires alternating between collet-set carre-cut diamonds completed by a concealed clasp, the sapphires and diamonds together weighing approximately 90.00 carats…

An important platinum and diamond riviere, circa 1934,…

Platinum & Diamond Graduated Riviere, 1934

An important platinum and diamond riviere, circa 1934, collet-set with 80 old European-cut diamonds, masterfully graduated in size from the centre, the largest diamond weighing approximately 1.97 carats, cased by Hoover & Smith Co. Philadelphia, gross…

A rare van Cleef & Arpels diamond 'A Cheval' necklace, composed…

Rare van Cleef & Arpels Diamond Necklace

A rare van Cleef & Arpels diamond 'A Cheval' necklace, composed of a line of claw-set brilliant-cut diamonds flanked by a row of collet-set diamonds completed by a concealed box clasp, the 378 diamonds together weighing approximately 19.28 carats, mounted…

Diamond necklace, of bib design the flexible collar composed as…

Breathtaking Bib Diamond Necklace with 40 Carats

Diamond necklace, of bib design the flexible collar composed as a line of channel-set baguette diamonds between claw-set brilliant-cut diamonds partially framed by a line of collet-set marquise-shaped diamonds further supporting an elaborate lattice work…