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18ct gold, platinum and diamond bracelet, the tapering bracelet of interwoven ropework design, set to the top with ribbons claw-set with brilliant-cut diamonds together weighing approximately 3.85 carats, completed by a concealed clasp with safety catch, g

Early 20th century diamond pendant, a delightful pendant set with 1=0.21ct H colour SI clarity old European cut diamond and 10=0.20ct H colour SI clarity old European cut diamonds with an additional 0.18ct G colour SI clarity early modern brilliant cut dia

Platinum, modern, diamond ring, featuring one claw set marquise cut diamond of estimated weight .15ct, I colour, VS - SI clarity, accented on shoulders by fourteen baguette cut diamonds of estimated total weight .30ct, H - I average estimated colour, VS -

Platinum, modern, 8.60ct cushion cut sapphire ring. Featuring one 10.6 mm x 10.3 mm, cushion cut sapphire, of estimated weight 8.60ct, in a rub over setting. New Zealand made. Ring size O 1/2. Finished weight 25.72 grams. .

Platinum, modern ring, set with one 4.90 mm x 3.60 mm emerald cut diamond of approximate weight .30ct, G - H colour, VS clarity. Ring size J. Finished weight 6.86 grams.

EIIR 'Platinum jubilee' silver gilt cufflinks by Mappin & Webb London 2022. Unused

Edwardian emerald and diamond ring, platinum, claw set with a fine baguette cut natural emerald possibly Columbian, to a cluster of bezel set old mine cut diamonds, tapering down to a fine shank, stamped 'Plat', size J, total weight 4 grams

Platinum and diamond ring, 950 platinum, designed with rectangular bars to the edge pave set with brilliant cut diamonds, approx 0.45cts, stamped '950 plat', size T 1/2, total weight 13.6 grams

Platinum and diamond eternity ring, claw set fine round brilliant cut diamonds, totaling approx. 2cts and Vs-Si clarity, unstamped, tested as 93% platinum, size 1/2, total weight 4 grams

Platinum chain, 950 platinum, fancy rectangular diamond cut links, set with a parrot clasp, stamped '950', length 45 cm, total weight 12 grams

Platinum chain, 950 platinum, fancy link with diamond cut engraving, with parrot clasp stamped '950', length 60 cm, total weight 30 grams

Art Deco lady's platinum and diamond watch, platinum, designed with a rectangular case bead set, with single and baguette cut diamonds, to an elaborate bracelet of geometric links, bead and bezel set with brilliant and single cut diamonds, inside case stam

White gold and diamond ring, platinum, claw set with a fine round brilliant cut diamond, approx. 1.02cts, G colour and VS1 clarity, two tapered baguettes to the shoulders and two brilliant cut diamonds to the shank, with GSL certificate, size 1/2, total we

Tiffany, Elsa Peretti heart necklace, 950 platinum, stylized heart pave set with fine round brilliant cut diamonds to a fine trace chain, signed ?Tiffany & Co, PT950, Elsa Peretti', with valuation, total length 48 cm, total weight 10 grams

Platinum and diamond chandelier earrings, platinum, designed as long drops with bar and circle motifs, terminating to bezel and milgrain set old mine cut articulated diamonds, diamonds are cape series and tinted pale yellow and SI and Pi clarity, with scre

Three stone diamond ring, 18ct yellow and platinum, three round brilliant cut diamonds, totalling approx 1.44cts, stamped '750, 950', size N1/2, total weight 5.5 grams

Boodles, platinum and diamond ring, 950 platinum, claw set with a fine 3.05ct emerald cut diamond, D colour and Vs2 clarity, surrounded by a halo of carre cut diamonds and tapered carre cut diamonds down the shank, total weight of small diamonds 1.71cts, h

Antique diamond ring, platinum claw set with an appox 1.5ct rose cut diamond, with four small rose cut diamonds to the shoulders, stamped 'Plat', size Q

Art Deco platinum and diamond ring, designed as an elongated oval with filigree and fret work, bezel set with eight small old mine cut diamonds, and an 1.20ct oval cut champagne diamond in the centre, stamped 'Plat', with valuation, size M, total weight 5.

Art Deco platinum and diamond brooch, platinum, rectangular plaque design, claw set with three main old European cut diamonds approx. 3cts in total, surrounded by a fine saw pierced setting with old mine and single cut diamonds, total estimated diamond wei

Tiffany & Co. Pair of 'Enchant' diamond and tanzanite pendant earrings, each openwork pendant of interlacing scroll design is pave-set with brilliant-cut diamonds terminating on a line of collet-set tanzanite swing drops, supported from an elliptical diamo

Diamond line bracelet, composed of a line of 26 claw-set princess-cut diamonds alternating between 27 collet-set baguette diamonds, the diamonds together weighing approximately 10.00 carats, mounted in platinum, length 175 mm.

Magnificent diamond solitaire ring, the emerald-cut diamond weighing 8.15 carats, is claw-set between a pair of tapered baguette diamonds together weighing approximately 1.00 carats, mounted in platinum, size J1/2. Accompanied by a GIA report numbered 2235

Pair of diamond earrings, Italy, each elliptical hoop is claw-set with marquise and brilliant-cut diamonds, the diamonds together weighing approximately 3.75 carats, mounted in platinum, length 22 mm, width 12 mm, post and clip fittings, Italian workshop r

Jean Schlumberger for Tiffany & Co. Diamond 'Lynn' necklace, composed of a line of stylised X-shaped motifs claw-set with brilliant-cut diamonds between circular link connectors, the diamonds together weighing approximately 5.00 carats, mounted in platinum

Spectacular emerald and diamond three stone ring, the square emerald-cut emerald weighing approximately 8.10 carats, is claw-set between a pair of trillion-shaped diamonds, each weighing approximately 1.00 carats, mounted in platinum and 18ct gold, size L1

Diamond solitaire ring, the cushion modified brilliant-cut diamond weighing 3.06 carats, is claw-set to a continuously pave-set brilliant-cut diamond hoop, the diamonds together weighing approximately 0.34 carats, mounted in platinum, size H1/2. Accompanie

Harry Winston stunning diamond eternity ring, designed as a continuous row of 18 channel-set trillion-shaped diamonds together stated to weigh 5.13 carats, mounted in platinum, size K1/2. Accompanied by a Harry Winston pouch,, a Harry Winston Tax invoice,

An outstanding antique diamond bracelet, circa 1930, the 20 mm wide Art Deco strap is composed of three articulated openwork plaques of geometric design alternating between buckle shaped connectors decorated with marquise, baguette and circular-cut diamond

South Sea pearl and diamond necklace, centring a 13.50 mm off-round cultured South Sea pearl surmounted by a claw-set cluster of pear-shape and brilliant-cut diamonds, suspended from an undulating wire chain claw-set at intervals with brilliant-cut diamond

Emerald and diamond ring, the pear shaped emerald weighing 3.19 carats, is claw-set between a pair of tapered baguette diamonds, the diamonds together weighing approximately 0.30 carats, mounted in platinum, size K.

Aquamarine and diamond demi-parure, the fringe necklace is composed of a trace chain decorated at intervals with 9 pear shaped aquamarine drops together weighing approximately 16.37 carats, mounted in platinum, inner circumference 450 mm, a pair of earring

Emerald and diamond two stone ring, of toi et moi design, claw-set with two pear shaped emeralds, to shoulders pave-set with diamonds, the small diamonds together stated to weigh 0.86 carats, mounted in platinum, size M.

platinum and diamond solitaire ring, a 0.64ct round brilliant cut diamond (Colour F, Clarity SI2), multi claw set. Diamond report and valuation available.

Sapphire & diamond set platinum ring marked 10% iri(dium), plat (90%), 5.2 x 3.7 mm estimated 0.43ct, 2x tapered baguette diamonds total estimated 0.60ct, item weight 3.4 grams

Garnet, diamond & platinum ring marked 10% iri(dium), plat (90%), 8.88 mm pyraldine garnet. 2x tapered baguette diamonds total estimated 0.60ct, item weight 4.83 grams, ring size M-N

A platinum solitaire diamond ring, centring a round brilliant cut diamond of 1.54ct/ G/P1, to shoulders set with 5 baguette cut diamonds (missing one diamond), width 7.32 mm, size L, wt. 5.43g, with Hrd Antwerp cert. 11000549004.

An Art Deco platinum diamond Huguenin ladies wristwatch, rectangular dial, applied markers, case, lugs and shoulders set with 100 early single cut diamonds on a 9ct white gold stretch link band with box clasp and safety pin, width 10.4 mm, length 15 cm, wt

18ct platinum diamond dress ring, 18ct dress ring with central raised diamond, size M

Diamond ring, property from the Estate of a private Sydney Collector, of cluster design, centring a pave-set brilliant-cut diamond within a surround or similarly set diamonds, the diamonds together weighing approximately 0.87 carats, mounted in platinum an

Kalmar Antiques sapphire and diamond ring, centring a claw-set oval sapphire weighing approximately 1.35 carats, flanked with a similarly set brilliant-cut diamond, the diamonds together weighing approximately 2.86 carats, mounted in 18ct gold and platinum

Royal engineers 18ct yellow gold and platinum, enamel and diamond brooch with King George VI cypher, World War II period, stamped '18ct, Plat.', 3.2 cm high, 7.7 grams

An 18ct white gold and platinum diamond cluster ring, stamped '18ct & Pt.', 2.4 grams

Platinum, opal and diamond brooch. Centring a claw-set oval opal cut en cabochon weighing approximately 14.00 carats, within a geometric surround detailed with single, rose and old European-cut diamonds together weighing approximately 0.70 carats, length 2

Platinum, opal and diamond pendant. Claw-set with an oval black opal cut en cabochon, below an old European and brilliant-cut diamond drop, the opal weighing 7.19 carats, the diamonds together weighing approximately 0.35 carats, to an integral fine chain c

Platinum, diamond and gem-set brooch. Modelled as an arrow, set throughout with old European and single-cut diamonds, carre-cut synthetic sapphires and a cultured pearl, length 78 mm, gross weight 7.1 grams

Platinum, zircon and diamond brooch,. The rectangular plaque, centring two collet-set circular-cut zircons together weighing approximately 4.00 carats, within an openwork geometric surround set throughout with single-cut diamonds, length 14 mm, width 45 mm

Cartier, platinum and diamond ring. Claw-set with an emerald-cut diamond weighing 3.06 carats, to shoulders detailed with graduating brilliant-cut diamonds together weighing approximately 0.48 carats, signed Cartier and numbered 19PPPJ, size J (50).. Accom

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.. Accompanie

Pair of platinum and diamond earrings. Each earring claw-set with a brilliant-cut diamond weighing 1.05 carats and 1.06 carats respectively, to post and butterfly fittings.. Accompanied by a copy of GIA report number 2151657762 dated 17th September 2013 st

Platinum and diamond ring suite. Comprising a cluster ring centring a rub-over set asscher-cut diamond weighing approximately 2.02 carats, within an octagonal surround of brilliant-cut diamonds to a diamond set band, the diamonds together weighing approxim

A platinum and five stone diamond ring, the five emerald cut diamonds claw set in a row, graded G-H and VS or better. TDW. 2.61ct. Insurance

A platinum and diamond dress ring, the centre set with four 0.25ct princess cut diamonds (Colour G, Clarity SI1) with a further thirty-two princess cut diamonds (Colour G, Clarity SI1), set to the top and each side of the shoulders, TDW 2.00ct.

A pair of vintage precious metals and diamond cluster earrings, the flower form mounts set with various cut diamonds, similar design, one in 18ct white gold, the other in platinum. Posts for pierced ears. TDW 1.41ct.

Sapphire & diamond set platinum ring marked PT900, 0.24ct of diamonds 0.64ct of sapphire ring size I, item weight 5 grams

Art Deco diamond & 18ct yellow gold ring with a platinum setting, marked 18ct plat rubbed, old cushion cut diamond 3.3 mm x 3.5 mm = 0.25ct estimated. Champagne colour. Ring size N, ring weight 1.5 grams

Rare Art Deco brooch, vintage emerald and diamond brooch set with four emeralds and 50 diamonds, hand made in platinum c.1920

Platinum, modern diamond ring, featuring one claw set pricess cut diamond of known weight .50ct, F colour, SI2 clarity, as per GIA diamond report 1353451699, the diamond is surrounded with twelve round brilliant cut diamonds of estimated total weight .38ct

Two identical platinum diamond set bands, claw set with twenty eight, round brilliant cut diamonds of approximate total weight .50cts, G-H colour, Vs-I1 clarity. Ring size O. Total weight 6.49 grams.

Platinum, plain 2.63 mm wide band. Ring size M. Finished weight 3.98 grams.

Platinum, vintage, 16.0 mm wide x 26.0 mm long pendant in a filigree style, set with one old European cut diamond of estimated weight .14ct, very approximate G - I colour, SI clarity, accented with thirty, rose cut diamonds, of estimated total weight .12ct

Platinum, modern ring, conisisting of one triangular shaped tanzanite, of reported weight 1.67ct, in a three claw settng, the ring is accented on shoulders with nine baguette cut diamonds, of reported . 30cts total weight. Ring size M. Finished weight 8.15

Platinum modern 2.4 mm wide band, set with ten, channel set round brilliant cut diamond of estimated .10 cts, G - H colour, I1 clarity. The ring is accented on shoulders with ten small round brilliant cut diamonds of estimated total weight .35cts, G - H co

A platinum and yellow gold multi diamond ring, the five old brilliant cut graduating diamonds set in a row. The largest approx. 0.50ct.

An 18ct yellow gold and solitaire diamond ring, the 1.75ct modern brilliant cut diamond graded colour M-N and clarity SI1. Claw set in a platinum 'Matthey' style coronet.

Omega fine Art Deco lady's wristwatch in platinum and diamond case, circa 1930s

A platinum ring adorned with 18ct yellow gold bands, stamped '750, Plat.' with additional maker's marks (illegible), 11.5grams total

An 18ct yellow gold ring, set with a row of three brilliant cut fine white diamonds (approx. 1.0ct total), mounted in platinum, stamped '18ct, Pall.', 5.4 grams

An 18ct white gold and platinum ring, set with a brilliant cut white diamond surrounded by eight white diamonds, stamped '18ct, Plaat.', 9.6 grams

A 9ct yellow gold ring, set with three white diamonds mounted in platinum, stamped '9ct, Plat', 2 grams

An antique platinum brooch, set with a cabochon turquoise surrounded with twelve impressive white diamonds, circa 1910, 7.5 cm wide, 6.5 grams

Rare Art Deco brooch, vintage emerald and diamond brooch set with four emeralds and 50 diamonds, hand made in platinum c.1920

Platinum band, channel set with seven, princess cut diamonds of approximate total weight .90 cts, very approximate G - H colour, SI -I 1 clarity, where two diamonds are chipped. Finished weight 6.83 grams. Ring size M.

Platinum and diamond brooch, modelled as a crown, set with old mine-cut diamonds, estimated total diamond weight 1 carats, stamped Pt with safety chain, weight 6.7 grams, measuring 2 x 3 cm

Emerald and diamond ring, centrally set with a round brilliant-cut diamond, estimated weight 0.50 carats, between borders of brilliant-cut diamonds and scissor-cut emeralds, estimated remaining diamond weight 0.60 carats, emeralds untested for origin and n

Diamond set tennis bracelet, manufactured in 900 platinum and set with 47= 3.29ct round brilliant cut diamonds H colour VS to SI clarity. Length: 17.5 cm. Weight: 7.1 grams.

Three dress rings, one in 18ct yellow gold and set with 2= 2.38ct green blue parti sapphires round and rectangular cut. Weight: 5.1 grams. One ring in 14ct yellow gold set with large amethyst approximate 17.2 ct oval deep bright purple colour. Weight: 12.0

Aquamarine and diamond Tiffany & Co ring, mount in platinum stamped 950 Pt Tiffany & Co. Set with 1= approximate 0.55ct pale blue transparent round cut aquamarine and 8=0.72ct FG colour VS clarity marquise cut diamonds. All are claw set. Size: N. Weight: 8

Tiffany & Co diamond ring, finished in platinum this high domed band, 6.0 mm wide is set with 114=3.42ct approximately, FG colour VS clarity round brilliant cut diamonds. Stamped Tiffany &Co Pt 950. Size: N. Weight: 6.1 grams.

Tiffany & Co key, the key is set with 20=0.30ct 11=0.22ct 1=0.08ct and 5= 0.01ct all are FG colour VS clarity round brilliant cut diamonds. The key is in platinum and is fitted with a Tiffany & Co open link chain in 18ct white gold. Key length: 4.0 cm. Key

Tiffany & Co pendant and chain, in platinum having a brilliant cut diamond set at the centre of the pendant 1@ 0.15ct G VS which is surrounded by 11= 0.165ct G VS round brilliant cut diamonds. The platinum chain is 40 cm long. Total weight: 3.5 grams.

Delightful diamond drop earrings, with a circular design and having an articulated lower section being set with 86 small round brilliant cut diamonds GH colour SI clarity which are mounted in platinum. Weight: 6.6 grams.

Three stone diamond ring, crafted in 18ct white gold and platinum and mounted with 1= 1.20ct IH colour SI clarity, 1=0.73ct IH colour SI clarity, 1= 0.75ct H colour SI clarity, good bright old European cut diamonds. All are double claw set. Size: J. Weight

Platinum, kunzite and diamond ring, the slender band of cross over design pave-set to the top with brilliant-cut diamonds and framing an oval kunzite, the kunzite and diamonds together weighing approximately 6.52 carats and 0.29 carat respectively, size L.

Platinum and diamond bracelet, comprising an articulated line of 34 links designed as paired leaf-shaped motifs grain-set with diamonds and completed by a stylised 18ct white gold buckle clasp, the diamonds together weighing approximately 3.00 carats, leng

Platinum, sapphire and diamond ring, claw-set to the top with a rectangular radiant-cut sapphire flanked by two similarly set trapezoid-shaped step-cut diamonds, the sapphire and diamonds together weighing approximately 1.76 carats and 0.60 carat respectiv

Platinum, natural pearl and diamond ring, London, 1982, the pierced diamond-shaped plaque centring an approximately 7.50 mm natural pearl framed by claw and collet-set brilliant-cut diamonds together weighing approximately 0.62 carat, size O/12;, signed Wt

Pair of platinum and diamond earrings, each designed as a stylised cluster of three floral sprays centring an end-set marquise-shaped diamond, the open work flowers claw-set with brilliant-cut diamonds and the leaves channel-set with baguette diamonds fram

Ruby and diamond ring, of cluster design, centring a claw-set near round mixed-cut ruby weighing 4.44 carats framed by similarly set marquise-shaped diamonds together weighing approximately 1.68 carats, mounted in platinum and 18ct gold, size U/12;. Accomp

Platinum, 18ct gold, sapphire and diamond ring, Harry Winston, modelled as a flower, the stamen centring a brilliant-cut diamond framed by graduated pear shaped sapphires of various hues of yellow between claw-set circular-cut pink sapphires, the petals pa

Diamond solitaire pendant necklace, the claw-set heart brilliant-cut diamond weighing 1.01 carats, is claw-set, supported by a fine trace link chain, mounted in platinum, inner circumference 465 mm, adjustable to 435 mm., accompanied by a GIA report number

Fancy yellow diamond and diamond ring, the cushion modified brilliant-cut natural fancy yellow diamond weighing 2.07 carats is claw-set, to shoulders pave-set with near colourless brilliant-cut diamonds, the small diamonds together weighing approximately 0

Tiffany & Co. Diamond 'Victoria' bracelet, composed of a line of 61 claw-set brilliant-cut diamonds, completed by a concealed box clasp centring a floral motif decorated with marquise-cut diamonds, the diamonds together weighing approximately 4.49 carats,

Tiffany & Co. tourmaline and diamond ring, the oval tourmaline weighing approximately 13.00 - 15.00 carats is claw-set, to shoulders pave-set with a triple row of brilliant-cut diamonds, the diamonds together weighing approximately 1.30 carats, mounted in

Tiffany & Co. gem-set and diamond feather brooch, circa 2008, modelled as a peacock feather, the eye claw-set with an oval tanzanite, framed by a triple tier of circular-cut sapphire, yellow sapphire and tsavorite garnets, the barbs embellished with brilli

An outstanding antique emerald and diamond bracelet, circa 1930, the Art Deco strap is composed of three articulated openwork plaques of geometric design, centring an emerald-cut emerald framed by half-moon, baguette and circular-cut diamonds between styli