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Lot 4075

An Opal, emerald and zircon dress ring, gold plated shank stamped 925

Lot 4083

An opal set dress ring of circular form shank stamped 925

Lot 4084

A Welo Opal ring of square form flanked by Zircon chip shoulders, shank stamped 10k

Lot 140

925 and Other Opal Set Jewellery, including garland brooch with marcasite highlights, an oval cabochon set brooch stamped "Sterling", c.early XX Century style bar brooch etc. (8)

Lot 172

A c.Early XX Century Opal and Chain Necklace, of uniform design with faceted bead spacers (chips), 50cm long.

Lot 205

A Modernist Style Black Opal Doublet Set Pendant, of abstract design collet set, stamped "585", on a fine 9ct gold chain; Together with A Modern 9ct Gold Heart Shape Pendant.

Lot 285

A QVC Modern 9ct White Gold Opal Doublet Single Stone Ring, between plain crossover shoulders (finger size P) (2.3grams).

Lot 286

A Single Stone Opal Ring, oval cabochon collet set to the centre (doublet? / closed back setting), between bifurcated shoulders, stamped "9ct" (finger size T) (2.9grams).

Lot 1033

A 9ct single stone opal ring, oval claw set stone, with a 9ct hallmarked diamond cluster ring, total weight 3.3g, ring sizes O and K respectively. (2)

Lot 1118

A 9ct hallmarked opal and diamond cluster ring, central brilliant cut diamond with four oval radiating opals spaced by diamonds to split shoulders, weight 2.8g, ring size N.

Lot 1141

An early 20th Century 18ct Art Nouveau open work pendant, by Archibald Knox, set with seed pearl, green and garnet. diamond and opal panels, length of pendant 6cm, suspended form an 18ct fine belcher chain, total weight 6.5g, unmarked.

Lot 1157

Five 9ct hallmarked stone set rings to include amethyst, opal doublet and other examples, total weight 10.5g, various styles and sizes. (5)

Lot 1202

An 18ct hallmarked opal and diamond cluster ring, central oval claw set opal, length 20mm, within a border of individually set brilliant cut diamonds, weight 7.7g, ring size M 1/2.

Lot 1238

An opal and diamond set stick pin with three further stick pins, two stone set bar brooches and a gilt metal cameo brooch. (7)

Lot 1259

A 9ct hallmarked opal and diamond cluster ring, central opal within a border of diamonds, weight 2.7g, ring size N.

Lot 1264

Four assorted dress rings to include a 9ct two stone pink stone, a blue paste, an opal and garnet cluster and a further silver ring. (4)

Lot 338

A 19th Century glass decanter, circa 1851, probably George Bacchus & Co, of globe and shaft form and cased in opal over uranium green and cut with a diamond pattern, with conforming hollow blown ball stopper, height 24.cm.

Lot 874

An early 20th Century 18ct hallmarked seven stone opal and diamond boat shaped ring, three oval opals spaced by two pairs of diamonds, length of largest opal 6mm, weight 4.2g, ring size M, Birmingham 1900.

Lot 956

A 9ct opal seven stone daisy cluster ring, weight 1g, ring size N 1/2, with a paste set 14ct example, weight 2.5g, ring size O.

Lot 980

Twenty silver assorted stone set ring to include, CZ, opal, amber and amethyst set examples, various styles and sizes. (20)

Lot 033

An 18ct white & yellow gold pendant set with a pear shaped black opal, measuring approx. 14.5mm x 8.5mm, surrounded by round brilliant cut diamonds and a diamond set bale, on an 18ct white gold 16" curb chain, 5.62gm.

Lot 038

An 18ct white gold three stone ring set with a central cabochon cut white opal, 5.4mm with one round cut diamond set in an illusion setting to each side, 2.43gm, size K.

Lot 045

A rose & white gold (not hallmarked or tested) dragonfly brooch with a yellow gold safety chain, set with on oval cabochon cut white opal, a round cut ruby, a mixture of round & oval cut sapphires and old cut diamonds, 8.62gm, pin & catch fitting, approx.

Lot 091

A 9ct yellow gold ornate open design pendant/brooch set with two oval cabochon cut white opals and round cut sapphires, approx. 3.8cm x 2cm (including bale & opal drop), pin & safety catch, 3.83gm

Lot 148

A selection of jewellery to include a 9ct yellow gold five stone ring set with oval cut black opals, (one missing), 2.84gm, size P 1/2, a 9ct yellow gold ring set with an oval cut black opal triplet, 4.34g, size P/12, a pair of 9ct yellow gold earrings set with oval cut black opal triplets, (one butterfly missing), 2.69gm, a 9ct yellow gold ring set with a white oval cut opal, 4.28gm, size P 1/2 and a pair of 9ct yellow gold earrings set with oval cut white opals, (mis-matched butterflies), 3.00gm, (5).

Lot 149

A 9ct yellow gold ring set with a 1.55 carat white oval cabochon cut opal from the Coober Pedy Mine in Australia, with 0.061 carats of round brilliant cut diamonds (three set to each shoulder), 1.90gm (with tag on), size R to S, comes with Authenticity Certificates for the Opal from Gemporia 14333713 and a certificate for the diamonds from Australian Diamonds BMKS40*9.

Lot 180

OPAL, AMETHYST AND DIAMOND BROOCHThe opal cabochon, within an openwork surround set with cushion-shaped amethysts, and rose and cushion-shaped diamonds, cushion-shaped diamonds approx 1.80cts total, length 3.50cmFor further information on this lot please visit Bonhams.com

Lot 220

SMOKE-TREATED OPAL AND DIAMOND CLUSTER RINGThe oval smoke treated opal, within a brilliant-cut diamond surround, diamonds approx 2.40cts total, ring size approx N For further information on this lot please visit Bonhams.com

Lot 218

OPAL DOUBLET BRACELETThe three opal doublets on a fancy link bracelet, inner circumference approx. 15.5cmFor further information on this lot please visit Bonhams.com

Lot 231

FIRE OPAL AND DIAMOND RING, 2003The cushion-shaped fire opal between trilliant-cut diamond shoulders, mounted in 18 carat gold, London hallmark, European convention mark, ring size approx. SFor further information on this lot please visit Bonhams.com

Lot 84

OPAL AND DIAMOND CLUSTER RINGThe oval cabochon opal within a brilliant-cut diamond surround, mounted in 18 carat gold, diamonds approx. 0.80ct total, UK hallmark (partially rubbed), ring size approx. KFor further information on this lot please visit Bonhams.com

Lot 160

COLLECTION OF OPAL-SET JEWELLERY1st: The brooch designed as a butterfly, set with single-cut diamonds, rubies, emeralds and sapphires, with an opal cabochon body, 2nd: The brooch designed as a butterfly set with marquise-shaped opal cabochons, 3rd: The pendant set with a rectangular opal on a brilliant-cut diamond surmount, mounted in 18 carat gold, 4th: The bracelet set with oval opal cabochons, 5th: Each earstud set with a marquise-shaped opal and colourless paste, 3rd: London hallmark, lengths: 1st 4.8cm, 2nd 2.7cm, 3rd pendant 1.8cm, chain 42.5cm, 4th 16.5cm, 5th 1.3cm (5)Footnotes:Please note this lot has VAT at the prevailing rate on both Hammer Price and Buyer's PremiumThis 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 36

OPAL AND DIAMOND RING AND EARRINGS1st: The ring set with an opal cabochon within a brilliant-cut diamond surround, 2nd: Each earring set with an opal cabochon and single-cut diamond cluster, suspended from a single-cut diamond surmount, mounted in 18 carat white gold, diamonds approx. 1.55cts total, 2nd: London hallmarks, ring size approx. R, earrings 2.1cm (2)For further information on this lot please visit Bonhams.com

Lot 161

COLLECTION OF DIAMOND AND GEM-SET PENDANT/NECKLACES1st: Four cross pendants set with brilliant-cut diamonds, mounted in 9 and 18 carat gold, 2nd: The heart-shaped ruby within a brilliant-cut diamond surround, on an 18 carat gold chain, 3rd: The pendant set with three brilliant-cut diamonds, mounted in 9 carat white gold, 4th: Set with a cultured pearl of grey tint and brilliant-cut diamonds, 5th: Set with an oval opal cabochon, 6th: Designed as a series of pink and purple circular-cut gemstone trefoils and brilliant-cut diamonds, 7th: Three novelty pendants, the apple and dolphin set with single and brilliant-cut diamonds, 1st with UK hallmarks and European convention marks, 2nd: chain with UK hallmark, 3rd: partial UK hallmark, European convention mark, lengths: pendants 2.0-4.3cm, chains 37.5-55.0cm (12)Footnotes: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 138

COLLECTION OF DIAMOND AND GEM-SET RINGS, 1989-2007Including brilliant-cut diamond-set rings, sapphire, blue topaz and opal-set rings, diamonds approx. 5.15cts total, seven rings with UK hallmarks for 18 and 9ct yellow and white gold, ring sizes approx. L-N (10)Footnotes: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 116

COLLECTION OF ABSTRACT JEWELLERY1st: The ring, earclips and pendant composed of abstract circles, set with opal triplets, 2nd: The bracelet composed of abstract circular-links, 3rd: The brooch set with a sovereign within an abstract circular frame, 4th: The abstract brooch set with a cultured pearl of grey tint, 5th: The brooch of abstract orchid design with silver petals, set with an opal triplet, lengths: 1st ring size approx. M, earclips 2.0cm, pendant 4.2cm, 2nd 18.5cm, 3rd 14.3cm, 4th 4.5cm, 5th 7.8cm (7)For further information on this lot please visit Bonhams.com

Lot 369

A Victorian yellow metal brooch, stamped 9ct, set vibrant coloured Australian opal, 32mm x 14mm

Lot 382

An 18ct gold, opal and diamond dress ring, size O, 4g

Lot 414

A blue and green opal doublet, in 9ct gold pendant mount, on 9ct gold fine link chain

Lot 452

A yellow metal and diamond posy ring, size Q, 1.6g, and a yellow metal dress ring, set opal doublet and brilliants, size N, 4.4g

Lot 67

A seven stone opal and diamond ring, designed as three graduated oval opals interspersed with four old cut diamonds, the yellow metal shank not stamped, weight approx 4g

Lot 73

An opal doublet dress ring, designed as an oval opal doublet set within decorative pierced mount, the shank stamped '585', ring size Q, weight approx 9.1g

Lot 63

An Arts and Crafts abalone shell and opal pendant by Joseph Anton Hodel, Bromsgrove Guild, designed as a central oval abalone shell plaque mounted within two sylised white metal leaves and suspending oval opal drop, with white metal chain with toggle fastening, pendant measures approx 60mm x 30mm (excluding lug), chain measures approx 42cm long, weight approx 14.3gCondition report: Stamped 'Hodel' to the reverse, some cracks and wear to the abalone shell, some general wear to the white metal scroll work embellishment but no significant visible damage, refer to images

Lot 65

An 18ct gold black opal and diamond cluster ring, the oval black opal claw set in white gold within a border of eight cut diamonds, ring size N, weight approx 8.6gCondition report: Opal measures approx 18mm x 14.5mm x 5.5mm deep, some slight surface abrasion in keeping with use but no significant visible damage or surface reaching fractures, general wear, refer to images and video

Lot 119

A yellow metal (tested high carat gold) brooch set with a cabochon cut opal and seed pearls, approx. 6.3ct opal L. 7cm.

Lot 79

A 14ct yellow gold (stamped 14k) ring set with a cabochon oval cut opal and stone set shoulders, (possibly synthetic opal), (O.5).

Lot 29

18ct (750) yellow gold, intense black opal and diamond pendant, set with six diamonds approx 9 pts, approx 25 x 14mm, approx 10.9 gms. Property of a Cotswold lady. -

Lot 37

14ct white gold and black opal bracelet. The bracelet set with eleven graduated opals measuring from 10 mm to 15 mms d, approx 9 gms, mm HI, approx 175mm. Property of a Cotswold lady. -

Lot 39

14ct yellow gold opal cluster ring. The rope-form floral ring set with 14 opals approx 3mm each, size N, approx 10.5 gms. Property of a Cotswold lady. -

Lot 43

Silver and opal pendant, approx 35 x 12 mm together with an opal turtle brooch approx 30 x 23 mm. Property of a Cotswold lady. -

Lot 71

A Victorian opal bracelet, with graduated nine oval opal doublet stones, in claw setting in individual hinged mounts, with sectional two bar gate type links to either end, with safety chain, unhallmarked but tests as 9ct gold, 9.7g all in. 

Lot 32

925 silver opal and white stone set ring, size N, 3.6g. P&P Group 1 (£14+VAT for the first lot and £1+VAT for subsequent lots)

Lot 172

A 9ct gold dress ring set with central oval opal and surrounded by a ring of garnets. Framed with a gold rim. Fully hallmarked inside band. Opal approx. 8mm x 6mm. Total weight approx. 4.4g. Ring size Q.

Lot 213

A silver dress ring set with an oval cut black opal stone. Worn makers and silver marks to inside of band. Ring size M. Stone approx. 2cm x 1cm.

Lot 22

A pair of 9ct gold and opal drop earrings with hook wires. Central oval opal (approx. 6mm x 4mm) in a decorative pierced work mount (approx. 12mm x 10mm). Marked 9k to reverse and with makers mark. Total weight approx. 1.8g.

Lot 227

A 9ct white gold Ethiopian Welo opal and diamond trilogy style dress ring. 3 oval cut opals with 3 small round cut diamonds to each shoulder. Full hallmarks to inside of band. Ring size O, total weight approx. 2.2g.

Lot 4

A 9ct gold wire style pendant set with a marquise cut opal. On an 18" rope chain marked 375 to spring clasp and joining link. Pendant approx. 3cm drop x 1.5cm wide, marked 9ct to reverse of bale. Total weight approx. 2g.

Lot 92

An antique jewellery box containing an Edwardian opal set bar brooch marked '9ct', a hallmarked 9ct gold pendant necklace, various yellow metal, silver etc.

Lot 503

An opal cross pendant, 9ct gold chain, 8.5gross; a pair of opal pendant earrings

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