Large 18ct Gold Black Opal and Rose Cut Diamond Crowned Heart Ring    truly beautiful black opal with rose cut crown detailing, exquisite!!    mea...

A retro opal and diamond ring. The ring set with a tear drop opal and a triangular shaped opal doublet / triplet with central diamond in a pierced...

9ct Gold Opal Ring    a wonderful opal ring!     measurements size UK P1/2 US 8 head of ring 10mm x 9mm weight 2.36g stamped 375   materials  9ct ...

Antique Gold Opal and Diamond Ring    a beautiful fiery opal stone with sweet diamonds surrounding!!   measurements size UK P US 8 head of ring 14...

Vintage 9ct Yellow Gold Garnet and Opal Flower Ring   fiery opal with sweet garnets surrounding    measurements size UK N1/2 US 7 head of ring 13m...

An opal and brilliant-cut diamond cluster ring. Opal calculated weight 3.71cts, based on estimated dimensions of 13.9 by 9.8 by 4.7mms.Estimated t...

A Modernist cocktail ring set with fire opal, the marquise-cut fire opal of intense reddish-orange colour measuring 13.0 x 6.9 mm, corner-set with...

Amazing Opal and Diamond Drop Earrings in White Gold   the most beautiful pair of earrings, truly exquisite!    measurements size 24mm x 9mm weigh...

A late Victorian gold opal and diamond cluster hinged bangle, with brooch fitting. Estimated total diamond weight 0.75ct, G-H colour, VS-SI clarit...

Antique Opal 5 Stone Ring with Diamonds Points    truly beautiful fiery opals with sweet diamond points    measurements size UK O US 71/2 head of ...

Sweet 9ct Gold Ruby and Opal Ring    so dainty and so cute!!   measurements size UK G US 3 3/4 head of ring 11mm x 5mm weight 1.04g hallmarked 375...

9ct Gold Opal Marquise and Diamond Ring    lovely opal stone with sweet diamond shoulders    measurements size UK N US 7 head of ring 15mm x 12mm ...

Very Rare Fire Opal and Diamond 18ct Yellow Gold Ring    wonderful rare opal stone!! with sweet diamonds surrounding, excellent!    measurements s...

18ct white gold diamond and opal stud earrings. Each stud has a three leaf clover style setting has three pear shaped opals with diamonds in betwe...

Incredible Antique Opal and Diamond Pendant on Platinum Chain in Original Fitted Box   truly outstanding diamond and opal pendant, incredible!!   ...

Sweet 9ct Gold Opal Five Stone Ring    5 sweet opal stones    measurements size UK N US 7 head of ring 16mm x 4mm weight 1.68g   materials  9ct go...

ANTIQUE DIAMOND, TURQUOISE, OPAL AND PEARL INSECT BROOCH. High carat gold and silver. Diamonds bright and lively. Vibrant turquoise. Pearls untes...

VICTORIAN OPAL AND DIAMOND BROOCH set with a vibrant opal with great play of colour approx. 13.4 mm by 13.4 mm Diamonds bright and lively, totall...

A black opal dress ring, featuring an oval precious opal cabochon approximately measuring 13.4 x 9.3 x 4.7 mm, displaying mild play-of-colour rang...

BLACK OPAL AND DIAMOND CLUSTER RING. 18 ct yellow gold. Set with vibrant opal of good play of colours. No chips Bright and lively rose cut diamond...

BELLE EPOQUE BLACK OPAL AND DIAMOND PENDANT, Platinum. Suspending a black opal of approx. 12 x 7.1 x 4.5 mm. Diamonds bright and lively. L. 4.3 cm...

Vintage 9ct Gold Garnet and Opal Full Eternity Band Ring   the sweetest opal and garnet ring!    measurements  ring size UK S US 91/2 band width 3...

Wonderful Gold Amethyst and Opal Bangle/ Bracelet    the most beautiful scroll detailing around the bangle, with gorgeous amethyst and opal stones...

OPAL LOBSTER GOLD BROOCH, The lobster set with 2 cabochon cut opals. L. 2.6 cm. 3.3 grams.

Antique 18ct White Gold Opal and Diamond Ring   beautiful opal stone surrounded by bright clean diamonds!! exquisite!!   measurements  size UK H1/...

An 18ct gold opal and diamond ring. The ring set with an opal doublet having four single cut diamond accents to bifurcated shoulders marked 18ct 7...

A 9ct gold opal triplet ring. The ring set with an oval opal claw mounted opal triplet to tapering band. Marked 9ct. Weight 2.6g. Size M. All weig...

An opal and diamond cluster ring Claw-set with a pear-shaped cabochon opal in a border of round brilliant-cut diamonds, plain band, unmarked Rin...

An 18ct gold opal and diamond pendant Claw-set with a large oval cabochon opal, in a border of six round brilliant-cut diamonds, UK hallmark; to...

A collection of unmounted gemstones Including various blue and fancy-coloured sapphires, a rough emerald crystal in host rock, and various cut eme...

A hallmarked 9ct gold bracelet and an 18ct gold AF ring. The bracelet formed with box links to spring hoop clasp. The 18ct gold ring set with two ...

A mid 20th century gold opal and vari-cut diamond cluster ring. Opal estimated dimensions of 14.3 by 10.8 by 2.9mms. Estimated total diamond weigh...

Wonderful 9ct Gold Opal and Diamond Bangle Bracelet   truly beautiful    measurements inner diameter 50mm x 45mm width 7mm weight 7.23g stamped 9....

A hallmarked 9ct gold  diamond and gem set crossover ring. The ring having a central oval cut citrine set in a crossover mount set with rows of ro...

A collection of 9ct gold and gem set earrings. The lot to include a pair of 9ct gold hoop earrings, marked 375 to hinge fastener. A pair of hallma...

A hallmarked 9ct gold, sapphire and opal cluster ring. The ring set with a central oval opal cabochon surrounded by a halo of round cut sapphires ...

Five 9ct gold and gem set necklace pendants. The pendants to include a 9ct gold, ruby and diamond articulating clown pendant, marked 375 to verso....

18ct Yellow Gold Opal 5 Stone Ring   5 beautiful fiery opals    measurements size UK O US 71/2 head of ring 18mm x 5mm weight 3.12g hallmarked 18 ...

An opal and brilliant-cut diamond cluster ring. Opal estimated dimensions of 12.9 by 8.7 by 4.8mms. Estimated total diamond weight 1.10cts. Stampe...

An early 20th century 15ct gold and opal brooch pin. The brooch set with an oval opal cabochon to bar mount having hinged pin and roller clasp ver...

A hallmarked 9ct gold, diamond and opal ring. The ring having two rows of mixed oval and round opal cabochons interspersed by four round cut diamo...

Wonderful Opal and Diamond 5 Stone Ring in 18ct Gold    5 truly delightful opal stones on a beautiful scroll    measurements size UK N1/2 US 7 hea...

Amazing Black Opal and Diamond Halo 18ct Yellow Gold Ring   exceptional opal stone with sweet diamonds surrounding    measurements size UK M US 61...

A hallmarked 9ct gold, sapphire and opal three stone ring. The ring having a central round opal cabochon flanked by two round cut sapphires set in...

Two 9ct gold and gem set rings. The lot to include a hallmarked 9ct gold, opal and white stone cluster ring, hallmarked for London, 1989. Together...

Assorted 9ct gold earring fragments. The lot to include a single hallmarked 9ct gold endless hoop earring, hallmarked with import mark for Birming...

Antique Gold Opal Opal and Diamond Crescent Brooch    Wonderful chunky opal brooch!    measurements  length 53mm  width 11mm  weight 8.63g   mater...

Vintage Chunky Gold Opal 5 Stone Ring   5 gorgeous chunky opal stones!!     measurements  size UK O US 71/2 head of ring 19mm x 7mm weight 2.66g  ...

Silver Gilt Opal and Garnet 5 Stone Boat Shaped Ring   truly wonderful ring!   measurements size UK L US 6 head of ring 18mm x 7mm weight 2.62g   ...

A 9ct gold, synthetic opal and diamond gypsy ring. Stamped 9ct. Size Q. Weighs 2.6g. All weights, measurements and sizes are approximate. 

18ct Yellow Gold Ruby and Opal Starburst Brooch / Pendant    a beautiful opal starburst with ruby detail, truly delightful    measurements  length...

A reversible freeform opal, diamond and multi-gem hinged bangle. Estimated total diamond weight 1.25cts, G-H colour, VS-SI clarity. Inner diameter...

18ct Yellow Gold Opal and Diamond Ring   gorgeous fiery opal stone with diamonds surrounding, exquisite!    measurements  size UK S1/2 US 91/2 hea...

Antique 18ct Yellow Gold Scroll Gallery Opal and Diamond 5 Stone Ring    gorgeous opal stones with diamond points, exquisite!   measurements  ring...

Gold Opal 5 Stone Ring    the most beautiful fiery opal stones    measurements size UK P1/2 US 8 head of ring 16mm x 6mm weight 2.58g   materials ...

A continental synthetic opal and diamond cluster ring. The ring having a domed cluster head set with a central synthetic opal framed by diamond se...

Antique Circa 1800 Opal Pear and Enamel Mourning Ring    opal has crack see pics    gorgeous spilt shoulders    measurements  size UK K 1/2 US 5 1...

9ct Yellow Gold Opal and Diamond Bangle Bracelet    beautiful fiery opals with diamond details, truly wonderful!!   measurements inner diameter 60...

Opal and Diamond Crescent Brooch in 9ct Gold    the most beautiful fiery opals with diamond points, exquisite    measurements size 51mm x 5mm  wei...