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Lot 168

A yellow metal bar brooch having a central cabochon cut opal (untested) No hallmark; stamped HG&S 9ct Sil Set. 1.9 grams

Lot 200

A 9ct opal and garnet bar brooch together with two gold cz pendants and two plain gold pendants. Gross weight 6.9 grams

Lot 1094

A yellow and white metal, opal and diamond three-stone ring, having a centre oval white opal cabochon, flanked on either side by an Old European cut diamond, all in claw settings, opal dimensions approx 8 x 6 x 2.25mm, weight estimated as 0.61 carats, diamond dimensions each approx 4 x 2.8mm, total weight estimated as 0.58 carats, assessed mounted collectively colour J to K and clarity SI2 to I1, gross weight 2.6g, size O, stamped and tested as 18ct and platinumCondition report: Opal is slightly chipped on the girdle.One diamond has a small chip on the girdle.Opal has a pale white body colour with red and green play of colour.

Lot 1140

A yellow metal opal brooch, featuring an oval opal cabochon bezel set within a scrollwork surround, with roller catch fastening, opal dimensions approx 14.5 x 9.35 x 3.6mm, weight estimated as 2.79 carats, colour assessed as transparent with blue, green and pink play of colour, brooch width 30mm, gross weight 5.2g, stamped and tested as 9ct

Lot 1141

A yellow metal abstract hydrophane opal pendant, measuring approx 30 x 15mmn, attached to a yellow metal figaro link chain with a lobster clasp, chain length 600mm, width 1.7mm, gross weight 8.7g, stamped and tested as 14ct

Lot 928

A gold filled pendant and chain with large opal doublet

Lot 964

An 18ct gold opal and diamond ring, Birmingham 1903, (with inscription in the shank 'Xmas 1903'), 3.4g, N, resized

Lot 132

A 9-carat yellow gold brooch; modelled as leaves and an oval flowerhead set with an opal (within black velvet box)Condition Report: Very good condition, no problems

Lot 152

A lady's dress ring (probably 19th century); centrally set with an oval opal bordered by three further, smaller cabochon turquoise stones, marked 9CT, togther with one further ring (probably 18 or 22 carat gold) set with three stones (probably a diamond chip bordered by two small sapphires) and a yellow metal swastika brooch marked 9CT (3)

Lot 192

A pair of 9ct gold opal ear studs and a pair of silver, cultured pearl and marcasite ear studs, cased

Lot 223

A 9ct gold opal doublet ring, J, 2.2gm

Lot 230

A gold opal diamond and red stone heart shape ring, Q, 2.6gm

Lot 253

A 9ct gold opal and garnet cluster ring, P 1/2, 5.2gm

Lot 255

Three 9ct gold mounted opal pendants and a 9ct gold opal doublet pendant, 5.4gm

Lot 272

A 9ct gold opal doublet ring, surface rubbed and possible crack to underside of doublet, P, 2gm

Lot 58

A Victorian 15 carat gold cluster ring, size K, together with an early 20th century opal pendant and various earrings and costume jewellery

Lot 464

A 9ct gold opal ring with diamond set shoulders, approx UK size 'N'.

Lot 503

A 9ct gold and opal dress ring, approx UK size 'L'.

Lot 195

A quantity of jewellery including a 22 carat gold turquoise and split pearl ring (a.f.), an 18 carat gold opal and diamond ring, a 9 carat gold opal and sapphire ring, four further rings, an Edwardian bangle (a.f.), a 9 carat gold locket, further lockets, various brooches, a collar stamped '925', various earrings, plated chains etc . 22 carat gold ring - 2.6 grams. Opal and diamond ring - 2.9 grams. Opal and sapphire ring - 1.3 grams.

Lot 288A

Three stickpins, stamped '9CT' including two peridot and split pearl examples; another opal and diamond stickpin, unmarked; a 9 carat gold bracelet (a.f.); and a marcasite pendant on chain . Three stickpins stamped '9CT' - 3.6 grams. Opal stickpin - 1.6 grams. Bracelet - 6.3 grams.

Lot 1001

Victorian gold opal crescent brooch, eleven round and oval opals with diamonds set between

Lot 1013

9ct white gold three stone opal ring, hallmarked

Lot 1014

9ct gold oval opal triplet ring, hallmarked

Lot 1023

Edwardian rose gold peridot, opal and split pearl brooch, graduating pale pink coral necklace with gold clasp and a stone set gilt pendant

Lot 1027

Pair of 9ct gold opal pendant earrings, stamped 375

Lot 1037

Pair of silver opal pendant earrings, stamped 925

Lot 1038

9ct rose gold five stone opal ring, hallmarked

Lot 1050

Baccarat crystal heart shaped necklace, 9ct gold stone set ring, hallmarked, 9ct and silver full eternity ring, pair of silver opal earrings, pair of silver topaz earrings and similar pendant necklace, stamped 925

Lot 1063

9ct gold oval opal ring, hallmarked

Lot 1073

Pair of silver oval opal stud earrings, stamped 925

Lot 1088

Pair of silver fire opal pendant earrings, stamped 925

Lot 1116

Silver and 14ct gold wire opal ring, stamped 925

Lot 1118

Collection of Victorian and later gold jewellery including stone set ring, Birmingham 1886, seed pearl bar brooch, cameo stick pin, pair of opal stud earrings and an amethyst ring

Lot 1135

Gold opal, sapphire and blue stone five band ring

Lot 1136

Two 9ct gold emerald and opal cluster rings, both hallmarked

Lot 562

A 9ct gold opal pendant and chain, 2.6g gross; a 9ct gold opal set brooch, marked 9k, 2.7g gross; a silver Macintosh pendant, etc

Lot 572

Loose Gem Stones - an Australian opal, polished circular cabochon, 0.70cts

Lot 722

A 9 carat gold opal ring, size M, 1.4g

Lot 800

A 9 carat gold opal and ruby pendant on 9 carat gold chain

Lot 1008

4 items of boxed silver jewellery. A twist design 20" chain, a pair of stud earrings set with amethyst cabochon stones, a band ring set with coloured shell and a gilt ring set with amethyst and opal stones (1 opal missing). All items hallmarked, marked 'silver' or 925.

Lot 256

5ct oval cabochon cut natural opal stone with gemological card

Lot 258

Sterling silver ring with central opal stone set in a 4 claw setting size l1/2 3.84g gross

Lot 259

3.66ct oval cabochon cut natoral opal together with 4.35ct triangular step cut natural fluorite stone both have gemological cards

Lot 191

A group of three stamped 925 silver bangle bracelets to include a bangle set with two opal and red and green stones and the bracelet taking the form of two swans, alongside a tree of life bangle set with opals and green stones and a silver rope twist bracelet having two pearls to the end set and Chinese dragons upon the settings. Total weight 102g. 

Lot 582

MINERAL SPECIMENS - A collection of mineral specimens to include opal, azurite malachite, rams horn calcite, galena, prehnite, feldspar. The specimens ranging in size from 2cm - 10cm approximately in length. 

Lot 006

A 9ct yellow gold cluster ring set with a cabochon cut oval white opal, approx. 8.4mm x 6.4mm, surrounded by small round cut emeralds, approx. 1.20 carats, 3.27g, size M.

Lot 707

A 9ct gold Rocks & Co white gold blue fire opal and diamond ring size W, with similar earrings weight 5.2gms Condition Report: Available upon request

Lot 838

A 9ct Mexican fire opal and diamond ring size W1/2, and a 9ct five stone sapphire ring size V1/2, weight together 5.9gms Condition Report: Available upon request

Lot 202

GEM-SET AND PASTE GIARDINETTO BROOCHDesigned as a woven basket, issuing a floral bouquet, set with vari-cut gemstones and paste including diamond, amethyst, opal and seed pearl, length 4.7cmFootnotes:Please note this lot has VAT at the prevailing rate on both Hammer Price and Buyer's Premium.This lot is subject to the following lot symbols: ΩΩ VAT on imported items at the prevailing rate on Hammer Price and Buyer's Premium.For further information on this lot please visit Bonhams.com

Lot 125

OPAL AND DIAMOND PENDANTThe pear-shaped opal cabochon suspended within a knifewire frame set with cushion-shaped diamonds, on an unassociated 18 carat white gold chain, chain with London import mark, lengths 3.0cm, chain 40.0cmFor further information on this lot please visit Bonhams.com

Lot 134

OPAL AND DIAMOND CLUSTER RINGThe oval opal cabochon within a single-cut diamond surround, ring size approx. N½ For further information on this lot please visit Bonhams.com

Lot 267

OPAL AND DIAMOND CLUSTER RINGThe oval opal cabochon within a surround of brilliant-cut diamonds, ring size approx. PFor further information on this lot please visit Bonhams.com

Lot 44

COLLECTION OF ASSORTED STICK PINSIncluding carved agate, labradorite, mother-of-pearl cameo stick pins, turquoise, lapis lazuli, opal and enamel decorated stick pins lengths: 5.5-8.5cm (16)Footnotes:This lot will be subject to US Fish and Wildlife inspection if imported into the USA.This lot is subject to the following lot symbols: YY Subject to CITES regulations when exporting items outside of the EU, see clause 13.For further information on this lot please visit Bonhams.com

Lot 207

OPAL AND DIAMOND CLUSTER RINGThe oval opal cabochon within a surround of single-cut diamonds, ring size approx. NFor further information on this lot please visit Bonhams.com

Lot 126

OPAL AND DIAMOND PENDENT EARRINGSEach oval opal cabochon suspended within a knifewire frame set with brilliant-cut diamonds, on a similarly-set diamond surmount, mounted in 18 carat gold, partial UK hallmarks, European convention marks, length 2.5cmFor further information on this lot please visit Bonhams.com

Lot 266

OPAL AND DIAMOND RING, 1994The oval opal cabochon between bifurcated shoulders set with brilliant-cut diamonds, mounted in 18 carat gold, UK hallmark, ring size approx. K½For further information on this lot please visit Bonhams.com

Lot 354

An emerald and diamond stylized cross pendant necklace, 5.2g gross; an opal and diamond accented oval pendant necklace, 9ct gold mount and chain, 4.9g gross (2)

Lot 357

An Edwardian style opal and diamond ribbon swag pendant necklace, 9ct white gold mount and chain, stamped 375, 9K, 46cm long, 6.8g gross

Lot 358

A pair of diamond and opal cluster clip on earrings, yellow metal mounts, stamped 585, 5.5g gross; a diamond cluster pendant, unmarked mount, 0.7g gross; a turquoise cabochon pendant, 9ct white gold mount, 2.7g gross

Lot 285

Four various gold stick / tie pins including a 14ct seed pearl modelled as a bunch of grapes with central small diamond, a 10ct with oval opal (af) and a 10ct spiral flower shaped with central pink stone example etc. 4.3g (4)

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