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9ct gold and solid opal pendant, with oval form opal (2.57ct), in 9ct gold setting, with 9ct gold chain, total weight 2.64gm, length of pendant 1.3 cm

Two opal and diamond rings, comprising: an 18ct white gold, opal and diamond ring, ring size K1/2; a platinum, opal and diamond ring, ring size K. Provenance: Estate of Mrs Claire Frances Andu

Three opal and diamond rings, comprising: a white opal and diamond ring, ring size J1/2; a boulder opal and diamond ring, ring size L; a black opal and diamond ring, ring size J1/2. Provenance: Estate of Mrs Claire Frances Andu

Gemstone and silver jewellery group includes, amber brooch with polish marks, ruby zoisite and silver pendant, coloured glass and silver pendant, Italian silver and glass pendant marked nuove gioie, pear cut citrine set silver pendant, opal set silver pend

Fire opal & silver cocktail ring ring size R, setting 19 x 34 mm

Scandia opal & silver 'Artists palette' brooch marked Scandia sterling, length 29 mm

Loose Ethiopian type opal weight 22ct

Gold ring & a toggle group includes a unmarked gold ring 1.3 grams, and antique opal set toggle 0.9 grams, ring tests as 14ct

Australian Arts & crafts 9ct rose gold, opal doublet brooch, marked 9ct, weight 4.7 grams, minor scratch

Antique opal and rose gold cluster ring set with old cut colourless gemstones ( tests as white sapphires), in a silver setting. Unmarked, opal size 15.4x 10.4 x 1 mm, ring size N, item weight 4.4 grams.

Opal & diamond set 18ct white gold cocktail ring marked 750, 10x round brilliant cut diamonds 0.60ct estimated, cabochon size 12 mm dia x 3.5 mm, ring size N, weight 9.6 grams

Vintage opal and 18ct white gold ring marked P18, opal size 12 x 8 x 2 mm, ring size M, weight 3.2 grams. Strong play of colour

Vintage opal set 10ct yellow gold ring marked 10ct, weight 4 grams, ring size N

Antique Australian opal and 9ct rose gold brooch marked 9ct Joseph Lawrence (Melbourne), cabochon size 7 mm, (showing strong play of colour), item weight 3.7 grams

Solid white opal brooch styled in a frog design and set with two old European cut diamonds as eyes approximate weight 0.25ct and oval opal with good play orange yellows. Total weight of the 18ct gold brooch is 8.4 grams.

Two silver brooches, one set with a white opal, the other with coral. Weight (all in) 13.4g.

Five gold pendant/charms, including 18ct gold, opal and diamond pendant; and a '13' 18ct gold charm and 14ct gold charm. Weight (all in) 5.8g.

Two brooches: an opal and gold brooch and a gold-silver-lined christening brooch. (2)

An antique Australian 9ct gold and opal ring, triplet opal, hallmarked. Size T. Weight 3.7g.

A gold, opal and ruby duck brooch the textured gold duck set with a white opal cabochon belly and ruby eye, sitting atop a pool of water in white gold, accented with single-cut diamonds, estimated total diamond weight 0.20 carats, mounted in 18ct white and

A pair of Edwardian style opal earrings; 9ct gold scroll frames with drops set with oval and round cabochon white opals on shepherds hook fittings, length 35 mm, wt. 3.29g.

Seven silver stone set rings; torque ring set with a pear cut green chrysoprase and an oval cut labradorite, width 7 mm, size L; a round and 2 baguette cut zirconias, width 7.5 mm, size W; round cabochon opal, width 8.8 mm, size K; emerald cut citrine, wid

A 9ct gold opal and sapphire ring; 3.4 mm wide, half hoop set with 4 round crystal opals adjacent to 3 round cut blue sapphires totalling approx. 0.60ct, size O, wt.1.7g.

Two unset stones and a 14ct gold cherub pendant; an opal doublet size 10.6 x 9.47 mm, an oval cut amethyst of approx. 4.34ct, size 12 x 10 mm, and a gold cherub pendant, width 11.8 mm, wt. 0.52g.

A 9ct rose gold Edwardian style opal and ruby ring; cluster top of 9 round cabochon opals to a surround of 23 trapezoid cut rubies, top size 15 x 14 mm, size O, 2.76g.

An 18ct gold opal ring; set with a pear shape solid opal with good colour display surmounting a heart motif, size L, wt. 1.77g.

A 9ct gold opal pendant necklace; featuring a free form solid opal with good colour display, size 23.5 x 12.3 mm, on cable chain to a bolt ring clasp, length 45 cm, wt. 3.19g.

A 14ct gold opal pendant necklace; rub set with a 12 x 9 mm oval cabochon solid opal with fine colour display surmounted by a round brilliant cut diamond, size 22 x 11 mm, on cable chain to a bolt ring clasp, length 45 cm, wt. 3.79g.

A 20ct gold opal ring; claw set with 14 x 10 mm opal triplet of very fine colour display on floral carved shoulders, size P, wt. 6.02g.

A 9ct gold opal ring; cut down claw set with a 9 x 7.5 mm solid white opal (surface abraded) on a leaf gallery and shoulders, size P, wt. 3.25g.

A welo opal and diamond pendant, featuring one 9.03 mm x 6.98 mm welo opal, accented with three round cut diamonds of estimated total weight 0.06 carats. 9ct gold. Total weight 1.28 grams. Pendant size 20.1 mm.

A pair of opal triplet screw ear clips, for non-pierced ears. 9ct gold. Total weight 1.83 grams.

An oval cut opal triplet set in 9ct yellow gold. Total weight 4.42 grams. Ring size O 1/2.

Harrop & Neill (Dunedin) 9ct gold and opal bar brooch, the oval cabochon milk opal framed by restrained scrolls and other designs. Applied maker's mark. In period box.

Brown & Kerr (Nelson) 15ct gold and opal brooch, Arts & Crafts style, the double bars applied with sculpted leaves, scrolls and two flower heads each set with a small opal cabochon of strong colour. Of good weight. Double stamped with maker's mark.

Natural white opal and diamond necklace, 18ct yellow gold bezel set with six oval shaped solid opals, gold with pave diamond intervals, teminating to a drop shape white opal with pave diamonds to top, on a 9 ct yellow gold fancy link chain , total weight 6

Opal mosaic brooch, 9ct yellow gold designed in the form of a butterfly, set with Lightning Ridge opal, with two solid white opals to the body, total weight 9 grams

An 18ct gold, diamond and opal pendant, a 27ct free form boulder opal (colour play of orange, blue and green) double claw set in a gold frame with nine modern round brilliant cut diamonds to the top, TDW 0.32ct.

Mid century opal doublet set silver ear clips unmarked, opal diameter 10 mm

Fire opal and sapphire cluster ring set in silver, size N-O

Mid century Australian opal and rose gold brooch, 9ct. The clasp is metal, weight 3 grams

Opal set yellow gold brooch marked 10k, opal 8 x 5.5 mm & 7.6 mm dia, item weight 4.4 grams, opal and settings are antique on a later mounts, tests as 9ct

Two loose opal cabochons, pear 2.45ct, oval1.90ct

Australian arts & crafts silver pendant and tie clips. The pendant is set with a white opal (chipped) and is unmarked and the clip is marked STG Sil Proud, setting size 12 x 24 mm and 39 x 16 mm

Loose opal, 3.15ct cabochon strong play of colour

Loose opal, 5.15ct strong red orange flashes, some yellow, blue, green

Loose solid opal, 2.15ct strong green play of colour

Loose black boulder opal, 5.90ct, strong play of colour, dull patch in one corner

Loose solid black opal, 4.10ct

Loose crystal opal, weight 3.40ct, blue and green colour with flashes of orange

Vintage Australian 9ct yellow gold cufflinks marked 9ct. Set with opal doublets, weight 8.2 grams

Vintage opal triplet set 18ct yellow gold ring for restoration, marked 18ct, weight 10.6 grams. Clouding and wear to the opal and bruising to the setting

Mid century Australian black opal & diamond set with gold brooch, unmarked, opal dimensions 21 x 19 x 5 mm, item weight 10.60ct. Set with old mine cut diamonds, the gemstones were taken from an older piece and reset. tests as 12ct

Vintage matrix opal and yellow gold pendant unmarked, weight 4.6 grams, cabochon size 27 x 13 x 3.7 mm, tests as 9ct

Vintage Australian 9ct rose gold cocktail ring set with a likely synthetic opal triplet, marked 9ct, weight 3.2 grams, ring size N-O

Vintage black opal ring with Oriental marks, cabochon size 10 x 7 mm, ring size L, weight 3.4 grams, small chip to girdle, surface tests as 18ct gold

Amethyst and opal rose gilt hinged bangle unmarked, inside width 55 mm, setting width 29 mm, weight of item 40 grams, file mark to one corner

A Vintge 9ct gold opal bridge ring; belcher set across the top with 5 oval cabochon solid opals with good play of colour to tapered shank resized to L, width 6 mm, wt. 3.56g.

A pair of 14ct gold opal stud earrings; each centring an oval cabochon crystal opal with good colour range, size 9.5 x 7.5 mm, wt. 1.35g.

A 14ct gold opal and diamond ring; centring an oval cabochon solid opal of approx. 1.46ct 10.2 x 8.2 mm, to surround set with 20 round brilliant cut diamonds, size at top 13 x 11.5 mm, size N1/2, wt. 3.1g.

An 18ct gold opal and diamond ring; centring an oval cabochon solid opal with good play of colour to surround set with 12 round brilliant cut diamonds above shoulders set with 2 single cut diamonds, size at top 13 x 11.5 mm, size Q, wt 4.2g.

A unset 1.17ct light black opal; oval cabochon solid opal with good red flash, size 9.35 x 7.60 mm.

A 14ct gold opal and diamond ring; centring an oval cabochon Ethiopean solid opal of approx. 7.44ct to surround set with 20 round brilliant cut diamonds, top size 21.5 x 17 mm, size N, wt. 6.45g.

An 18ct white gold opal and diamond pendant; featuring a curved drop shape solid opal with good play of colour 23 x 12.7 x 6.4 mm, to frame set with 15 round brilliant cut diamonds, size 35 x 18.5 mm, wt. 5.36g.

Pear shape cabochon opal approx 1.95cts with single diamond set to the bail on fine 9ct herringbone link neck chain 38 cm length

14ct white gold Coober Pedy white opal and diamond pendant single cabochon tear drop cut white opal approx 5.31cts, with surround of 31 round brilliant cut diamonds approx 0.74cts TDW on fine trace link chain, 45 cm length Australian Gemological valuation

Poul Henningsen (Danish, 1894-1967), Ph 3/2 table lamp, manufactured by Louis Poulsen, white opal glass shades, with black metallized brass, height 46 cm. Provenance: Private Collection, Sydney

18ct yellow gold opal cocktail ring, beautiful set with opals and garnet stones

Pair of 9ct gold and opal cufflinks, retro pair with large inset opals 10.8g

14ct rose gold opal and diamond cocktail ring, featuring centre, one oval cabochon cut, white solid natural opal (4.08ct, red, yellow, orange, green and blue play of colours) ring size N.

Rare reversible ring, 14ct yellow gold set with opal with 2 diamonds to one side, ruby with 2 diamonds to the opposite side

A vintage silver necklace set with opal doublets and marcasite, early 20th century, the pendant 4 cm high

A pair of gold and opal earrings, a gold and opal brooch and a silver and opal brooch (3 items), 19th and 20th century

A 14ct white gold, opal and diamond drop pendant, a 10.52ct diamond shaped cabochon natural white opal (colour play of green, blue, yellow and orange) corner claw set and surrounded by thirty-six round brilliant cut diamonds with a further four diamonds se

15ct gold, opal and emerald necklace, circa 1890, comprising three circular fringed pendants detailed with a cabochon opal and circular-cut emeralds within applique decoration, each with a glazed panel to reverse and suspended from buckle shaped links, to

9ct yellow gold opal earrings, eight 7 mm cabochon solid white opal in trilobal pink gold screw fittings, total weight approx. 2.57g. Provenance: Deceased Estate, Sydney.

18ct yellow gold opal pendant, multi claw set with Australian white opal in handmade 18ct gold mount, opal approx. 7.9ct. Total weight approx.7.7g. Provenance: Deceased Estate, Sydney.

9ct pink gold opal brooch, eleven 8.5 white opal cabochon set with 9ct bar, total weight approx .3.7g. Provenance: Deceased Estate, Sydney.

18ct yellow & white gold opal & diamond brooch/pendant, oval white opal multi claw, set with 3 diamonds above, below and to each side in white gold four claw collets, diamond weight around 1.08ct, opal approx. 12ct. Total weight approx. 10.5g (approx.). Pr

18ct yellow gold opal earrings, handmade oval solid with opal earrings (pierced with clip), total weight approx. 11.6g (approx.). Provenance: Deceased Estate, Sydney.

18ct opal ring, signed 'Cerrone', multi claw set Australian white opal in handmade 18ct gold mount, opal approx. 5ct. S U/10.5. Total weight approx.10.5g. Provenance: Deceased Estate, Sydney.

9ct yellow gold Australian opal triplet ring, fifteen 12 mm triplet showing full colour range from red to violet. Milgrain set to 9ct band. Size R/9, total weight approx. 4.23g. Provenance: Deceased Estate, Sydney.

9ct gold and solid opal pendant, with oval form opal (2.52ct), in 9ct gold setting, with 9ct gold chain, total weight 2.95gm, length of pendant 1.7 cm

9ct gold and boulder opal pendant, with organic form boulder opal (15.7ct), in 9ct gold setting, with 9ct gold chain, total weight 6.77gm, length of pendant 2.5 cm

430Australian 9ct gold and opal brooch, marked 9ct Hawke, with an oval opal of approx 8 mm height set within a scrolled filigree 9ct gold setting, with duotone leaf accents, suspended below a bar with further filigree decoration, total weight 6.58gm, drop

Handsome 18ct gold opal ring, marked 18ct to band, featuring a solid oval cut opal resting on a knife edge 18ct yellow gold band, total weight 1.37gm, size P

15ct gold solid opal bar brooch, marked 15ct verso, featuring a central oval shaped opal of 2.9 cm length in a pronged setting, set on a 15ct yellow gold bar terminating both sides with a small oval solid opal of approx. 6 mm length, with safety chain and

Gold and opal pendant, featuring an oval solid opal within a gold leaf and berry motif setting, total weight 4.72gm, pendant height 3.8 cm

Australian 9ct gold opal ring, marked 9c, featuring an oval solid opal set within a 9ct gold rope twist border and tri leaf shouldered band, total weight 2.52gm, size N

Vintage gents 9ct gold opal cufflinks, marked 9ct, featuring oval cut triplet opals set against a rectangular backing with pole and hinged toggle, with safety chain and pin, total weight 10.19gm

Australian 9ct gold & opal pendant with chain, early 20th century, marked 9ct to both, the oval doublet opal set within a 9ct yellow gold applied leaf and nut setting with exposed backing, suspended on a 9ct yellow gold chain of 41 cm length, total weight

Lovely 9ct gold mounted solid opal brooch, stamped 9ct verso, of oval form and set within a rope twist 9ct yellow border and backing, with loop for use as pendant, total weight 36.6gm, 4.2 cm x 5.5 cm

Sidse Werner (Denmark, 1931-1989) for Holmegaard, 'Apoteker 255' glass pendant lamp shade, hand-blown in opal glass to give a soft light; offered together with a Danish orange glass teardrop pendant light, 26 x 26 x 26 cm

Verner Panton for Louis Poulsen, 'Panthella' standard lamp, originally designed in 1971, manufactured in injection moulded white opal acrylic, original manufacturer's label to underside, height 135 cm

Verner Panton for Louis Poulsen, 'Panthella' standard lamp, designed in 1971, manufactured in injection moulded white opal acrylic, original manufacture label to underside, height 135 cm

Poul Henningsen for Louis Poulsen, Ph 3 ½ - 2 ½ floor lamp, with three mouth-blown opal three-layer glass shades on a stainless steel base, manufacturer label 'Louis Poulsen type 27087' to the base, 130 x 33 cm