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Double strand pearl neck with detachable brooch, of sapphire and 8 cut diamonds, both tested as 14ct (Clasp marked 14K), pearls individually strung, size: approx 43 cm (shorter strand), in a box marked La Bourse 168 Pitt St Sydney

An Edwardian diamond pendant necklace, the pierced elongated pendant having a single drop set with an old European cut diamond of 0.35cts, having further diamond detail set throughout and to the geometric bale, suspended from a trace chain, all mounted in

A diamond heart pendant necklace by Tiffany & Co., the pave set diamond pendant suspended from a diamond set fancy link chain, all in platinum, signed, total length 430mm.

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 diamond pendant, centered with a cushion cut diamond of 2.30cts, suspended within a pierced bow, floral and foliate fitting set with single and rose cut diamonds, mounted in platinum, to a conforming fine trace chain, total length 395mm.

A Morganite and diamond pendant on chain, sterling silver, presented as a teardrop shaped cluster pendant, set with central pale peach coloured morganite, weighing approximately 3.85ct, claw set within a claw set frame of nineteen brilliant and single cut

Vintage gradated pearl necklace, with sapphire and diamond clasp, size

18ct 34stone diamond cross pendant double row rub-over set round brilliant cuts approx. 0.50cts tdw on 18ct chain

Jade Pi pendant 18ct fancy floral mount set with three diamonds on 18ct chain

9ct 18stone sapphire and diamond pendant pear cut dark blue sapphire with surround of 16 brilliant cut diamonds headed with oval mixed cut sapphire on trace link chain

14ct double strand box clasp set with scrolls of 26 single cut diamonds, demountable to make two separate clasps

9ct emerald and diamond pendant oval bright emerald, three support diamonds on curved bars supporting modern flat link neck chain

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: 14.50c

18ct 16 stone diamond cross pendant on 18ct fine neck chain ‘13

9ct single diamond pendant fancy leaf mount on fine 18ct neck chain

Art Deco 9ct 16stone sapphire & diamond necklace clasp on imitation pearl necklace

Silver pearl diamond coral & jade necklace a diamond set silver scroll necklace with carved drops of coral, jade and cultured pearls and seed pearls with a silver clasp.

Pearl necklace, the single row of pearl with aquamarine and diamond embellishement, length 78 cm

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 approxim

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 approxi

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.

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 - 13.34mm. Platinum. Length 49 cm.

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

Edwardian seed pearl necklet ribbon worked pearls on platinum rose cut diamond set clasp with matching midsection mount supporting triple rings as pendant support (pearls need restringing)

Four strand uniform cultured pearl choker 188 lustrous 6mm pearls on textured finish box clasp set with 17 diamonds

Two strand uniform cultured pearl necklace 37 & 57 white lustrous 8 - 10mm pearls on platinum & 56 stone diamond two section clasp, central claw set round brilliant cut on mille-grain and box set panel an ribbon loop design all diamond set '16

18ct ten stone Ceylonese sapphire and diamond pendant cushion cut light blue sapphire with head of three diamonds, suspender pave set diamonds on 9ct snake link chain '06

Edwardian 9ct four stone turquoise leaf shield pendant on chain together with 9ct six stone turquoise and single diamond floret ring

18ct 13stone diamond & single pearl pendant leaf design pave set with round brilliant cut and single cultured pearl on fine 18ct curb link chain '15

18ct three stone diamond pendant Crown claw set round brilliant cuts in double petal frame on 9ct twist link chain '14

A lovely Art Deco diamond set brooch. Platinum, made as a rectangular shaped plaque brooch of finely pierced geometric work, centred by a single old cut diamond of approximately 0.35ct, grain set in a hexagonal frame, further flanked by two bezel set diamo

A diamond necklace, featuring fifty nine graduated round brilliant and old European cut diamonds, individually collet set and interspaced by fine chain, all mounted in platinum, total length 1050mm

An Edwardian seed pearl choker, of seven strand design, with five pearl set vertical spacers and rectangular pearl set clasp. Leatherette box signed The Association of Diamond Merchants Jewellers & Silversmiths Ltd. 6 Grand Hotel Buildings, Trafalgar S

An antique diamond pendant on seed pearl necklace, the stepped pear-shaped pendant with ribbon surmount set throughout with rose cut diamonds, and hung on a triple strand seed pearl necklace. Length of pendant 5.9cm. Length of necklace 40cm

Platinum and diamond necklace, designed as a graduated line of pear-shaped motifs each claw-set with a pair of brilliant-cut diamonds, the diamonds together stated to weigh 10.00 carats, length approximately 420mm.

Platinum, South Sea pearl, topaz and diamond 'Flutter' pendant necklace, Paspaley, Terminating in an oval cultured pearl measuring 14.00mm suspended from a surmount modelled as a butterfly, the wings embellished with blue topaz above an open work m

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 approximatel

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 carats

A strand of natural pearls and turquoise, comprising Baroque natural pearls interspaced with turquoise drops, to a diamond set clasp in platinum. Condition: has been restrung and had an antique clasp added. Diamond is oval old European cut diamond, tinted

An Edwardian diamond and pearl necklace, of pierced floral design comprising two graduated panels set throughout with early round brilliant cut diamonds and finished with a natural pearl, to a fine trace chain, all set in platinum, total length 425mm. Cond

Multi coloured tourmaline necklace, a double strand of facetted multi coloured tourmaline, beads finished with seed pearl toped briolette, tourmalines and a diamond studded 18ct ball clasp. Length 38 cm