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Opal, South Sea pearl and diamond 'Embrace the Sea' necklace, Paspaley, 2005 the flexible Collar comprised of 47 South Sea cultured semi-Baroque pearls highlighted by nine variously shaped crystal opals together weighing 131.69 carats and highlighted by br

Outstanding & unique 117 ct Lightning ridge black opal, set in a ladies 18ct gold belt buckle with a diamond and emerald surround, and a bespoke Hermes crocodile belt approx Specifications: GSL certificate, solid natural opal (type 1), Variety black N2, 58

Piaget Ref 9317 A6 18ct white gold, opal, diamond and sapphire-set oval bracelet wristwatch, circa 1976, dial: opal, calibre: cal. 9P2 manual winding, 18 jewels, movement number: 7614994, case: 18ct white gold, secured by four screws, bezel-set with circul

Rene Lalique, Perruches (Parakeets), Cadmium selenium red, inner layer of phosphate opal glass, mould-blown using four-part mould, powdered and acid-etched. Red vase with motif of parrots, branches, and flowers, with frosted low lights. 'R. Lalique ' ha

An exceptional black opal and diamond brooch, designed as a freeform floral spray, having three solid black opals displaying a vivid play-of-colour all totalling 15.45cts, the main stone with harlequin pattern, accompanying stones with harlequin and rollin

Pair of 18ct white gold, opal and diamond earrings, Faberge, each surmount modelled as a flower is collet-set with a rose-cut diamond surrounded by brilliant-cut diamond petals suspending a similarly set articulated connector and terminating in a diamond-c

An Australian opal and gold kangaroo brooch, circa 1870 modelled with a kangaroo looking backwards standing on a gold nugget within a circle and a border of scrolling grape vines and two flowerheads, each set with a round solid white opal set within little

George V gilt sterling silver gem set chalice, hallmarked Dublin, 1932, Lg (Larry Gunning), in the Gothic style in 24ct gold plated sterling silver, the calix featuring six round and six drop shaped amethyst stones amongst Celtic style knot borders, set ab

18ct rose gold, 'Pearl of the Harvest' South Sea pearl, keshi pearl, opal and diamond 'Lavalier' pendant necklace, Paspaley, designed as a sautoir comprising of trace link chains gathered to the front by a slide pave-set with brilliant-cut diamonds termina

Rene Lalique, Oran, Phosphate opal glass, mould-blown using four-part mould, acid-etched. Height eavy-form vase with raised opalescent flowers and background leaf pattern. R. Lalique France etched to base. Model created on 2nd September 1927, not conti

A rare and important colonial Australian gold and opal brooch by Evan Jones of Sydney, the oval frame applied and sculpted with palm trees, emu, kangaroo and balga grass plant, framing the large oval polished quality opal panel of colours representing the

Tiffany & Co. diamond and multi-gemstone 'Heart Key' pendant necklace, of bombe form, the openwork heart shaped padlock is pave-set to the front with brilliant-cut diamonds between collet-set circular-cut gemstones including citrine, tsavorite, amethyst, f

A rare black opal and diamond ring centring a black opal fashioned as an oval cabochon which is distinguished by a distinct Chinese writing pattern and play-of-colour predominantly in vivid greens, blues, and reddish orange, weighing approximately 8.70 car

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

Dior, diamond and gem-set 'Rose Des Vents' bracelet, set with circular-cut diamonds, lapis lazuli, carnelian, malachite, turquoise, pink opal, tiger's eye and mother of pearl, stated total diamond weight 37 carats, signed Dior, French assay marks, numbered

Paspaley South Sea pearl, Keshi pearl, opal and diamond 'Lavalier Opal Hero' pendant necklace, designed as a sautoir, composed of a pair of trace link chains gathered to the front by a white gold slide pave-set with brilliant-cut diamonds terminating in a

Rare Northwood peacock and urn Carnival glass dish with light iridescence between pastel and butterscotch in Aqua opal, 25 cm diameter

14ct white gold, opal and diamond brooch, the oval opal cut en cabochon weighing approximately 68.00 carats, within a surround of twenty-four old European-cut diamonds together weighing approximately 2.80 carats, length approximately 28 mm, width approxima

18ct white gold, opal and diamond ring, of cluster design, centring on an oval opal weighing 8.35 carats, claw-set within a double surround of brilliant-cut diamonds together weighing approximately 4.00 carats, size N1/2. Accompanied by a GSL report number

An opal and diamond ring, the solid semi-black opal, cut en cabochon of 8.56cts, exibiting all the spectral colours, in a border of round brilliant cut diamonds, mounted in 18ct white gold and platinum, ring size K.

18ct gold, opal and diamond pendant, Prouds, claw-set with an oval opal measuring approximately 26.00 x 20.00 mm framed by a textured abstract surround embellished at intervals with brilliant-cut diamonds, gross weight approximately 48.60 grams, approximat

An Art Deco Lightning Ridge opal and diamond ring, the central oval opal of estimated weight 3.54 carats, in a single and baguette cut diamond set mount, estimated diamond weight 0.58 carat. 18ct white gold and platinum. Weight 3.85 grams. Platinum. Ring s

An opal and diamond brooch / pendant, featuring an oval opal cut en cabochon weighing 49.60cts, surrounded by round brilliant cut diamonds totalling 2.08cts, in 18ct white gold.

Art Deco 18ct white gold opal and diamond necklet, oval cabochon black opal approx 8.84ct with fancy diamond set shoulders on silver chain

A selected strand of South Sea pearls having 59 near round silver white 12.5 to 13.5 mm South Sea cultured pearls good to lustre and some very minor blemishes. Fitted to the strand is an 18ct white gold clasp set with a cabochon cut oval semi dark opal app

Pair of 18ct rose gold, 'White Star' south sea pearl, keshi pearl, opal and diamond 'Lavalier' pendant earrings, Paspaley, each half hoop surmount pave-set with brilliant-cut diamonds supporting a trace chain mesh modelled as a basket decorated at interval

Opal and diamond bracelet, designed as a line of five open work plaques centring an oval cabochon opal within a brilliant-cut diamond surround accented by round cabochon opals and diamond clusters framed by a diamond set border, the opal and diamonds toget

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

A Victorian opal and diamond snowflake pendant / brooch, Centrally set with an old European cut diamond of 1.00cts, surrounded by five oval opals cut en cabochon, with further diamond detail, in 14ct gold.

Opal and diamond ring, the oval crystal measuring approximately 19.07 X 14.50 X 8.87 mm within a border of brilliant-cut diamonds, estimate diamond weight 4.00 carats, mounted in platinum, ring size Q.

18ct bi-colour gold, opal and diamond necklace, the claw-set pear shaped black opal cabochon is suspended from a diamond-set triangular bale completed by an 18ct white gold foxtail chain, the opal and diamonds together weighing approximately 18.72 carats a

Platinum, opal and diamond ring, of cluster design, centring a claw-set oval cabochon opal weighing 10.84 carats surrounded by one continuous border and one spaced border of similarly set brilliant-cut diamonds, to shoulders partially set with brilliant-cu

Pair of 18ct rose gold, 'White star' South Sea pearl, keshi pearl, opal and diamond 'Lavalier' pendant earrings, Paspaley, each half hoop surmount pave-set with brilliant-cut diamonds supporting a trace chain mesh modelled as a basket decorated at interval

A solid black opal, sapphire and diamond pendant on chain, 14ct and 18ct white gold, handcrafted, set with an oval black opal of deep blue and green colours with rolling flashes, weighing 30.00cts, claw set in an open backed basket, framed by a claw set fr

Opal and diamond cluster ring, centring an oval shaped white opal, measuring approximately 12.40 x 110 x 3.30 mm, displaying green, blue, orange, yellow and pink play of colour, within a border of old European-cut diamonds, estimated total diamond weight 1

18ct white gold, opal and diamond necklace, centring an oval opal cut en cabochon weighing approximately 12.0 carats, within a surround of twenty-six claw-set brilliant-cut diamonds together weighing approximately 2.30 carats, length approximately 40 mm, t

99ct black opal 9ct yellow gold bracelet, a freeform black opal bracelet handcrafted, featuring, 99ct of mixed Bolder opals, solid opals and doublets in various colours shapes and sizes, very good play of colour, blues, greens, reds and violets, the opals

18ct gold, coloured diamond, diamond and gem-set brooch, modelled as a peacock resting on a 14.85 mm South Sea cultured pearl, the eyes accented with a circular-cut ruby, the neck and saddle pave set with brilliant-cut diamonds of yellow hue, the breast si

Opal and diamond necklace/brooch, circa 1910 of celestial design, the half moon-shaped black opal surmounted by a star motif accented with circular-cut diamond suspending an oval black opal surmounted by similarly set stars further suspending three lines o

An opal brooch, the oval solid white opal with fine play of colour, weighing 40.16cts, in 18ct white gold.

An Art Deco opal and diamond ring, featuring an oval opal with fine play of colour weighing 2.50cts, within diamond set shoulders, all in platinum and 18ct white gold, hallmarked W. Drummond & Co., ring size L-M.

An opal and diamond pendant necklet, Anson, Gold Coast. The centrepiece a large opal crystal of estimated weight 98 carats, in a pave diamond frame, and set either side with a matte finished freeform yellow gold panel and a white gold openwork freeform pan

Rene Lalique, Danaides, Phosphate opal glass, mould-blown using four-part mould, acid-etched. Opalescent glass vase depicting female nudes pouring liquid from amphorae. R. Lalique France hand-etched to base. Model created 16th March 1926, removed from

A fine black opal and diamond ring claw-set with a black opal fashioned as an oval cabochon displaying a distinct play of colour predominantly in vivid blues, greens and reddish orange, weighing approximately 4.22 carats, between crossover scrolled shoulde

Pair of 18ct rose gold, south sea pearl, lavender amethyst, pink sapphire, pink opal and diamond 'Reveal' pendant earrings, Paspaley, each half hoop surmount pave-set with brilliant-cut diamonds suspending an oval pink opal centring an amethyst framed by b

18ct gold, opal and diamond pendant necklace, the flexible serpentine link collier decorated to the front with a plaque pave-set with brilliant-cut diamonds suspending to the centre a pear-shaped opal stated to weigh 8.48 carats framed by brilliant-cut dia

Tony White, a cultured pearl, diamond and opal necklace, composed of two strands of cultured Tahitian South Sea pearls, measuring approximately 8.75 mm, centring a boulder opal framed by round brilliant-cut diamonds, signed white, estimated total diamond w

14ct pink gold, opal, yellow sapphire and diamond ring, of cluster, design, centring a claw-set oval cabochon opal framed by a border, of circular-cut yellow sapphires and a further border, of single-cut diamonds to pierced shoulders, each accented by a si

Prouds opal and diamond ring, circa 1940, of cluster design, centring a claw-set oval cabochon opal weighing approximately 2.10 carats, framed by a line of pave-set old-cut diamonds, the small diamonds together weighing approximately 0.23 carats, mounted i

Platinum, opal and diamond ring, centring a collet-set oval opal cut en cabochon weighing approximately 2.80 carats, within a surround of brilliant and baguette-cut diamonds to diamond set shoulders, the diamonds together weighing approximately 0.45 carats

An opal and diamond ring, the circular black opal cabochon, measuring approximately 12.2 mm, mounted within a round brilliant-cut diamond cluster surround, opal weighs approximately 2.40 carats, diamonds approximately 0.80 carat total, mounted in 18 carat

An opal bead and rock crystal necklace, early 20th century, composed of two rows of graduated opal beads, measuring approximately 11.4 mm-3.3 mm, alternating with faceted rock crystal rondelles, the clasp mounted with an oval-shaped opal, measuring approxi

14ct white gold, solid crystal opal necklace with 34 (8 by 10 mm) opals (48ct) and 35(4 by 6 mm) opals (10cts). Total weight approx 53.5 grams

Rene Lalique, Montmorency, Phosphate opal glass, mould-blown using four-part mould, acid-etched. Opalescent vase with bulbous cherry motif. R. Lalique acid-etched to base. Model created on 15th September 1930, not continued after 1947. Height 20.5 cm,

Rene Lalique, Borromee, Phosphate opal glass, mould-blown using four-part mould, blue powder and acid-etched. Opalescent vase with ovoid form and short flared neck. Peacock motif with blue tinted intaglio detailing. R. Lalique France hand-etched to bas

Rene Lalique, Chardons (Thistles), Carbon iron amber glass, inner layer of phosphate opal glass, mould-blown using four-part mould, acid-etched. Vase with raised thistle leaf motif forming four corners. Model created in 1922, not continued after 1947. R.

Grima, an opal and diamond brooch, of star burst design, centrally set with a free form black boulder opal measuring approximately 14.48 x 9.83 mm within a halo of round brilliant-cut diamonds, signed Grima, mounted in gold, length 3.00 cm.

A ladies opal and diamond wristwatch by Chopard, manual wind movement, oval opal dial with diamond set bezel,18ct white gold case and conforming integral woven bands, serial number 5735150361, total length 150 mm, total weight 48gms, 25 mm diameter, boxed.

A solid black opal and diamond cluster pendant, 18ct white gold, made as a classic oval pendant, set with central large piece of solid black opal, measuring 21 x 17.8 mm, strong deep red, blue and green spectral colours throughout in a four claw setting in

18ct gold, enamel and opal pendant necklace, Giuliano, circa 1900, the pendant of cruciform design applied with green and lime green champleve enamel, the arms connected by scrolling motifs terminating in collet-set opals to an applied green enamel candy t

Rene Lalique, Ceylan (Ceylon), Phosphate opal glass, mould-blown using four-part mould, acid-etched. Vase with raised bird and sunken leaf motif. R. Lalique France etched to base. Model created on 16th May, not continued after 1947. Height 24 cm, diam

Art Nouveau opal and diamond ring, centring a collet-set Australian Lightning Riddge cabochon opal measuring approximately 14 mm x 9.5 mm framed by a folliate surround between collet-set circular-cut diamonds, mounted in 18ct gold, size M

14ct white gold, opal and diamond brooch, centring a claw-set cushion-shaped opal measuring approximately 18.00 x 14.00 x 8.00 mm framed by a line of brilliant-cut diamonds flanked by a foliate motif embellished with diamonds, the diamonds together weighin

18ct gold, opal and diamond necklace, Giulians, circa 2001, designed as a choker comprising of an articulated line of curved wire links suspending a tear drop motif centring a claw-set Queensland boulder opal stated to weigh 11.70 carats framed by pave-set

Opal and diamond pendant necklace/brooch, of cluster design centring a triangular-shaped black opal weighing approximately 20.00 carats within a brilliant-cut diamond ribbon motif surround, the diamonds together weighing approximately 2.00 carats, mounted

Eric Carr gold and white opal necklace 18ct yellow gold chain and mount, opal of triangular shape, weighing 52.5ct weight approximately 72.5 grams

A stunning solid black opal and diamond brooch / pendant, 18ct and 14ct white gold, antique styled, the feature oval cluster set with a central solid black opal from Lightening Ridge, weighing approximately 2.88ct, intense colours throughout of red, blue,

An antique Australian opal and diamond pendant/brooch by Forster, of starfish design, centrally set with an opal cut en cabochon, each free form arm set with a row of graduated old European cut diamonds totallng 6.30cts, signed Forster, mounted in 18ct gol

Jenny Pattrick (New Zealand) single opal ring, large natural form cabochon black opal on wide band with scroll and bead work

14ct pink gold, opal, orange sapphire and diamond pendant necklace, of cluster, design, centring a claw-set free form cabochon opal framed by a border, of circular-cut orange sapphires and a further border, of brilliant-cut diamonds to a diamond-set bale,

18ct yellow & white gold 17 stone boulder opal & diamond pendant large freeform squarish Queensland boulder opal dark violet green flash opal, two tone scroll frame with scattered diamonds

Opal and diamond pendant necklace/brooch, the torque collar of foliate design set to the front with a line of variously-shaped opals above an open work surround between a brilliant-cut diamond set border suspending a detachable opal and diamond cluster pen

An Art Deco black opal and diamond pendant, the oval black opal cut en cabochon of 8.66cts, set within a panel of early brilliant cut and single cut diamonds totalling 0.35cts, suspended from an integral chain, mounted in 18ct gold.

An impressive 14ct white gold opal and diamond pendant, a 36.93ct oval cabochon opal with good play of fire claw set and surrounded by a double halo of round brilliant cut diamonds, four diamonds bezel set to the white gold chain, TDW 2.74ct. Gemologist re

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

A pair of opal earrings, the stylized gold leaf tops suspending a bezel-set pear-shaped boulder opal, signed White, gross weight approximately 15.30 grams, mounted in 18ct gold, length 4.00 cm.

14ct tanzanite opal and diamond hinged snap bangle central oval mixed cut tanzanite approx 1.44cts, with twelve black opal tablets all highlighted with channel and grain set diamonds, 6.5 cm dia

New Zealand 15ct opal and diamond bar brooch large oval cabochon translucent milk opal with four old brilliant cut diamonds surrounding on scrolling frame. Made by Denton Jewellers, Wellington opal size 26 x 12 x 3.2 mm Provenance: Being of direct family d

Platinum opal and diamond brooch, circa 1930; of Art Deco design centring a claw-set oval-shaped cabochon opal weighing approximately 18.62 carats, within an openwork geometric frame accented with millegrain-set old mine-cut diamonds together weighing appr

Exquisite opal and diamond set brooch / pendant with five large solid opals and two diamonds in 18ct white gold

A platinum opal and diamond bracelet, composed of 10 open geometric plaque links each set with 15 round brilliant cut diamonds to uniting links each set with 3 round brilliant cut diamonds to a central 24.7 x 8.6 mm crystal opal, length 20 cm, wt. 24.42g.

A cultured pearl, opal and diamond necklace, composed of two strands of cultured pearls, measuring approximately 8.66 x 8.65 mm, to an oval-shaped black opal clasp within a round brilliant-cut diamond surround, accented with gold spacers, signed white, est

An opal and diamond ring, centring an oval white opal, measuring approx. 18.1 x 11.9 mm, to a surround of round brilliant-cut diamonds, diamonds approximately 2.50cts total, mounted in 18ct gold, signed white, estimated total diamond weight 1.50cts, mounte

An opal pendant, the pear-shaped crystal opal, measuring approximately 35.0 mm x 25.0 mm x 16.5 mm, displaying excellent play-of-colour of green and blue hues, mounted within a polished gold surround with suspension loop, opal weighs approximately 50.00 ca

An opal and diamond ring, of cluster design, featuring an oval opal cut en cabochon weighing 2.51cts, surrounded by round brilliant cut diamonds and baguette cut diamond shoulders altogether totalling 1.97cts, in platinum, ring size N.

Rene Lalique, Druide (Druid), Chrome green glass, inner layer of phosphate opal glass, acid-etched. Spherical vase with raised mistletoe motif. 'R. Lalique France' hand-etched to base. Created May 6th 1924, removed from catalogue in 1937, not continued

An Edwardian opal drop pendant necklace, comprising six Lightning Ridge solid black opals cut en cabochon, interspaced with fancy seed pearl set fittings, mounted in 15ct gold, total length 420 mm.

An antique Australian opal and diamond brooch / pendant, the pierced oval plaque set with solid white opals cut en cabochon and interspaced with old European cut diamonds, with detachable bale and brooch pin fitting, mounted in 15ct gold, boxed.

A large opal and diamond ring, centrally set with a solid white opal cut en cabochon of 25.99cts, with round brilliant and baguette cut diamond surround, mounted in 18ct white gold, ring size N. Condition: ring presents in as new condition and stones are s

An opal and diamond pendant necklace, the tear drop shaped solid crystal opal cut en cabochon, surrounded by round brilliant cut diamonds totalling 0.32cts, suspended from a princess cut diamond of 0.42cts and further emerald and marquise cut diamonds, to

14ct white gold white opal and diamond pendant central free form cut natural white opal approx 19.99cts, surrounded with 50 round brilliant cut fancy light champagne diamonds approx 1.48cts TDW on 14ct cable link chain featuring six round brilliant cut fan

School of Rhoda Wager, Arts & Crafts style opal doublet jewellery suite c.1940's set in 9ct, 14ct and 18ct yellow and rose gold. Consisting of a necklet, brooch and ring. All with matching opal doublets of brilliant opalescence, predominantly red, blue/vio

Victorian opal and diamond set yellow gold brooch in a Hardy Bros. Sydney box. Length 75 mm, weight 11 grams, 19x oval opal cabochons 2 x 2.3 mm - 8.5 x 5.4 mm. Tests as 18ct gold. Estimated opal weight 6.90ct of South Australian crystal opal type. Provena

A substantial boulder opal and diamond enhancer pendant / brooch, the free form pear shaped boulder opal measuring 48 mm x 24 mm, approx 75.00cts, surrounded by a border of hammer set round brilliant cut diamonds totalling approx 1.00ct on a detachable enh

A loose Lightning Ridge oval opal

A solid crystal opal and diamond cluster ring, 18ct yellow and white gold, crafted as a large oval cluster dress ring of classic proportion, featuring a central cabochon high domed crystal opal weighing approximately 8.20ct, vibrant rolling spectral colour