Antique or vintage diamond and opal ring

Rare Black Opal and Diamond Ring

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…

Opal and Diamond Ring with Spectral Colors

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.

Art Deco Opal and Diamond Ring

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…

Opal and Diamond Platinum Ring with 4ct Diamonds

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.

Opal and Diamond Art Deco Ring

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.

Opal and Diamond Ring with Baguette Surround

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…

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

Art Deco Black Opal & Diamond Pendant with Chain

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.

Opal and Diamond Ring with 2.50ct Diamonds

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,…

Opal and Diamond Ring, 18ct White Gold, 25.99cts

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…

Opal and Diamond Scroll Ring

18ct bi-colour gold, opal and diamond ring, the collet-set pear-shaped cabochon crystal opal is framed by scroll motifs partially set with round brilliant-cut diamonds, the opal and diamonds together weighing approximately 4.19 and 1.75 carats…

Opal and Diamond Cabochon Ring in 14ct Gold

An opal and diamond ring, featuring an oval opal cut en cabochon weighing an estimated 7.90cts, withn a border of round brilliant cut diamonds, in 14ct gold, ring size Q 1/2.

Art Deco Opal, Diamond and Emerald Ring

An opal, diamond and emerald ring, in the Art Deco style, comprising central circular cabochon cut lightning ridge black opal of blue and green colours, with small square cut emeralds tapering to each shoulder with two rows of surrounding small single cut…

Opal and Diamond Rose Gold Ring with Play of Colors

14ct rose gold, 6.33ct opal and diamond ring, the design features, one free form cabochon cut, plays of green, violet, yellow, orange, blue, Australia black opal 6.33ct, 14.23 mm x 12.99 mm x 4.54 mm, channel set. Encompassing the design are 41 round…

Opal and Diamond Ring - Lightning Ridge Beauty

Black opal and diamond ring; centring a bezel-set low cabochon Lightning Ridge black opal weighing approximately 5.47 carats, to scrolled shoulders accented with round brilliant-cut diamonds together weighing approximately 0.05 carats, mounted in 18ct…

Opal and Diamond Geometric Ring

Platinum, opal and diamond ring, centring an oval opal cut en cabochon weighing approximately 3.30 carats, within a geometric and foliate surround of baguette and single-cut diamonds together weighing approximately 0.86 carats, size N.

Opal and diamond ring with 1.50 ct diamonds

An opal and diamond ring, centring a round white opal, measuring approximately 14.54 x 13.40 mm, to a surround of round brilliant-cut diamonds, signed white, estimated total diamond weight 1.50 cts, mounted in 18ct white gold, size P

Opal and Diamond Ring in 14K Yellow Gold

An opal and diamond ring, the oval-shaped white opal cabochon measuring approximately 13.3 x 10.4 x 5.6 mm, mounted within a round brilliant-cut diamond surround, diamonds approximately 1.60 carats total, mounted in 14 carat yellow gold, ring size M

Opal and Diamond Ring with Lightning Ridge Opal

An opal and diamond ring, featuring a solid oval opal weighing 10.34cts, within an undulating border of baguette cut diamonds totalling 1.10cts, in platinum, ring size L. The ring presents in excellent condition with little evidence of any wear. The opal…

Harlequin Opal and Diamond Ring by Catanachs

A harlequin opal and diamond ring by Catanachs, platinum, manufactured and retailed by Catanachs, featuring a central solid harlequin opal of strong blocked colours, measuring 21 x 13.5 x 4.65 mm, bezel set, flanked by curved grain set rails of old cut…

Boulder Opal and Diamond Ring in 18ct Gold

An opal and diamond ring, centrally set with a boulder opal measuring approximately 23.50 x 12.20 x 3.55 mm, accented with round brilliant-cut diamonds, estimated total diamond weight 0.30 carats, mounted in 18ct gold, gross weight approximately 13.30…

Opal and diamond cage ring with 14 diamonds

A large oval opal and diamond and white gold cage set ring, set with fourteen diamonds around the edge

Australian opal and diamond halo statement ring, 14K white gold, the centre features, one oval cabochon cut greenish-blue base with colour play of green blue and teal Australian opal (4.23ct). Size O

Opal and Diamond Two-Tone Gold Ring

18ct two-tone gold, opal and diamond ring. Centring an oval opal cut en cabochon weighing approximately 1.72 carats, within a surround of baguette and round brilliant cut diamonds, ring size O.

Opal and Diamond Ring, 18ct Gold, London 1978

An opal and diamond ring, featuring an oval opal cut en cabochon weighing 9.81cts, surrounded by single cut diamonds totalling 0.50cts, in 18ct gold, hallmarked London 1978, ring size O.

Opal and Diamond Ring in 18ct Gold

18ct yellow and white gold diamond and opal ring. The Australian cabochon opal is surrounded by brilliant cut and baguette diamonds. Approx 1ct of diamond, finger size M

Opal and diamond three stone ring, centred by an oval opal cabochon measuring approximately 9.53 x 7.63 x 4.34 mm, between two old mine-cut diamonds, estimated total diamond weight 0.80 carats, mounted in 18ct gold, weight 4.7gm, ring size M.

Lightning Ridge Black Opal & Diamond Platinum Ring

Lighting Ridge black opal ring an oval cabochon cut 10.5 x 5.45 mm with good play of colour, being blues, greens and orange flashes in a broad flash pattern. Companion set with 2x 0.20ct of G colour, Si clarity, brilliant cut diamonds. All set into a…

Black Opal and Diamond Statement Ring in White Gold

14ct white gold statement ring, solid black Lightning Ridge opal and diamond. The centre features, one rectangular cut solid black with colours of green and blue Lightning Ridge opal (4.23ct), bezel set, with 116 round brilliant cut diamonds (1.57ct TDW…

Opal and diamond ring, the textured mount set with a boulder opal with blue, green, yellow and orange play of colour, accented with round brilliant-cut diamonds, estimated total diamond weight 0.45 carats, 18ct gold, weight 23.5gm, ring size T.

Opal and Diamond Ring in White Gold

White gold, opal and diamond ring, centring an oval opal cut en cabochon weighing approximately 11.70 carats, within a surround of thirty round brilliant-cut diamonds together weighing approximately 0.30 carats, mounted in low carat white gold, ring size…

Opal and Diamond Antique Ring, 18ct Yellow Gold

An antique opal and diamond ring, the central oval solid white opal of estimated weight 0.70 carat, shouldered by old European cut diamonds of estimated total weight 1.25 carats. Engraved detail to shoulders. 18ct yellow gold. Weight 3.21 grams. Size R

Crystal Opal & Diamond Ring in 18ct Yellow Gold

18ct yellow gold crystal opal & diamond ring, a natural crystal opal approximately 5.35cts freeform, shape with good play of colour within a border of accent diamonds 0.22cts to a half round band. Weight 6.1 grams,

Black Opal Diamond Ring, 14k White Gold, Valued

Solid black opal and diamond set white gold ring marked 14k, Australian natural dark opal of Coober Pedy type 22.65 x 16.48 x 5.62 mm. Opal displays patches blue, green, orange, red medium, play of colour is medium to good. 80x Single cut diamonds = 0…

Opal and Diamond Ring in 18K Gold

18 carat yellow and white gold ring set with an opal of approximately 16.69 carats & small diamonds

Black Opal and Diamond Ring

An opal and diamond ring set with an oval-shaped black opal measuring approximately 22.35 x 17.26 mm between diamond-set shoulders, estimated total diamond weight 0.70 carats, mounted in gold, ring size M.

Opal and Diamond Ring in 14ct Gold

14ct gold, opal and diamond ring. Centring a white oval opal cut en cabochon weighing approximately 6.60 carats, flanked by round brilliant-cut diamonds together weighing approximately 0.16 carats, ring size N 1/2.

Opal and Diamond Ring in 18ct Gold

A solid white opal and diamond ring, the oval opal cut en cabochon bordered by round brilliant cut diamonds totalling 0.36cts, mounted in 18ct gold, ring size N. Condition: ring presents in very good condition. Opal measures 22.46 mm x 16.61 mm x 4.82 mm…

Vivid Tanzanite and Diamond Ring with Yellow Gold Mounting

Large tanzanite and diamond ring an outstanding, deep, vivid blue coloured, oval cut 2.20ct bezel set tanzanite, emphasised by 12=0.96ct H colour Si P1 clarity round brilliant diamonds. Mounted in 14ct yellow gold. Weight5.1 grams. Size L trio of opals…

Rose Gold Opal and Diamond Art Deco Ring

18ct rose gold Art Deco style ring set with a rectangular cabochon cut Ethiopian opal and 14x 0.02ct G\VS2 diamonds. Weight 5.5 grams. Size O1\2.

Opal and Diamond Ring in 14ct Yellow Gold

14ct yellow gold, crystal opal and diamond ring 14.50ct Opal and 40 diamonds (0.80ct) colour H-I and clarity SI1-SI2, total weight approx 10.5 grams

Opal and Diamond Ring in 18ct White Gold

An opal and diamond ring, comprising an oval white opal cut en cabochon, surrounded by eighteen round brilliant cut diamonds, mounted in 18ct white gold, ring size P.

Opal and Diamond Ring with 10.36ct Jelly Opal

An opal and diamond ring, centrally set with a solid jelly opal cut en cabochon of 10.36cts with round brilliant, princess and baguette cut diamond set shoulders, mounted in 18ct white and yellow gold, ring size N. Condition: ring presents in as new…

Opal and Diamond Textured Gold Ring by Kevin

Opal and diamond ring, set with an oval shaped opal measuring approximately 14.78 x 13.10 x 5.26 mm, set in a textured mount, estimated total diamond weight 0.80 carats, signed Kevin, mounted in 14ct gold, weight 12.4gm, ring size Q.

Opal and Diamond Ring with Tapered Baguette Border

Opal and diamond ring, the oval shaped opal, measuring approximately 18.50 x 14.25 x 5.00 mm, within a border of round brilliant and tapered baguette-cut diamonds, estimated diamond weight 1.30 carats, mounted in gold, weight 12.0gm, ring size L.

Lightning Ridge opal and diamond ring, 14ct white gold Art Deco style featuring centre, one oval cabochon cut, solid Lightning Ridge opal (3.34ct, blue/green/orange/yellow colour play, marquel role pattern), bezel set, with 20 round brilliant cut diamonds…

Solid Opal and Diamond Ring in 18ct Yellow Gold

18ct yellow gold, solid opal and diamond ring, dark solid opal 17.5-10 mm displaying blue, green, yellow, orange and red very good play of colour and 5 brilliant cut diamond TDW=0.12ct, G-H/VS, 17.2 grams, size 6/M

Opal and Diamond White Gold Ring

18ct white gold solid opal and diamond ring comprising long oval cabochon cut solid opal 3.78 ct (18.3 mm by 7.6 mm, depth 4.3 mm) and 16 brilliant cut diamonds (40.7 ct, 80.48ct, 4.20ct) and 6 tapered baguette diamonds (approx 0.6ct)

Black Diamond & Opal Ring in 18ct White Gold

A black diamond & opal ring; 16.5 x 12.5 mm translucent opal to a surround of 18 round brilliant cut black diamonds in 18ct white gold. Size M. Wt. 9.9g.

Opal and Diamond Ring in 18ct Yellow Gold

Spectacular opal and diamond ring set in 18ct yellow gold

Black Opal and Diamond Halo Ring

Black opal and diamond set halo ring 18x old cut diamonds 2.3 mm-2.5 mm dia, opal cabochon size 12.5 mm x 8.3 mm x 3.55 mm, ring weight 2.8 grams, ring size P-Q. Light surface wear to opal. Ring tests as 850 palladium

Opal and Diamond Scalloped Ring in 18ct Gold

An opal and diamond ring, featuring an oval solid crystal opal weighing 4.32cts, within a decorative scalloped surround detailed with round brilliant cut diamonds totalling 0.30cts, in 18ct gold, ring size N.

Opal and Diamond Ring with Flashes of Color

A 14ct yellow gold opal and diamond ring, an oval cabochon cut white Australian opal, with strong flashes of red, green and blue bezel set and surrounded by twenty-six round single cut Diamonds (0.52ct TDW, Clarity VS-SI, Colour G-H).

Opal and Diamond Couture Ring, 4.20ct

Bunda, An opal and diamond 'Couture' ring, the freeform bolder opal weighing approx. 4.20ct, brilliant-cut diamonds approx. 0.15ct total, mounted in gold, weight 8.9gm, ring size N.

Opal and Diamond Ring in 14ct Gold, Size P

An opal and diamond ring, centering a cushion shaped opal measuring approximately 11.25 11.05 x 4.05 mm, mounted in 14ct gold, ring size P.

Australian Opal and Diamond Ring in Palladium and Gold

A vintage Australian solid opal and diamond ring, the oval semi black opal cut en cabochon showing green, blue and purple colours, having single cut diamonds set to the shoulders, mounted in palladium and 18ct gold, signed Prouds, ring size N.

Opal and Diamond Cabochon Ring in 18ct Gold

An opal and diamond ring, the solid black opal cut en cabochon surrounded by rose cut diamonds, mounted in 18ct gold, ring size N.

Opal and Diamond Art Deco Ring

An Art Deco style opal and diamond ring, centrally set with an oval solid opal weighing 15.3cts, flanked by three round brilliant cut diamonds to either side totalling 0.30cts, in 14ct white gold, ring size N-O.

Opal and Diamond Oval Ring with Accent Stones

Opal and diamond ring, set with an oval opal measuring approximately 24.15 x 20.35 x 5.55 mm, accented with round brilliant-cut diamonds, estimated total diamond weight 0.35 carats, mounted in gold, weight 31gm, ring size S.

Opal and Diamond Gents Ring in Yellow Gold

9ct yellow gold opal & diamond ring a handcrafted gents ring featuring an oval cabochon black opal blues and green flashes bezel set. Tapered textured shoulders bezel set with approximately 1ct of diamonds colour G, Clarity SI weight 19.0 grams, size S

18ct Yellow Gold Opal Ring with Diamond Accents, Stamped

An 18ct yellow gold ring, set with a solid polished opal surrounded by brilliant cut white diamonds, stamped '750'

Fire Opal and Diamond Gold Ring

A large fire opal and 18ct yellow gold ring with a halo of diamonds. Marked 750. Approx Mexican fire opal size 19 mm x 14.5 mm x 9.7 mm, weight of ring 13 grams, ring size N-O

Edwardian Opal and Diamond Three Stone Ring

Edwardian 18ct three stone opal and diamond bridge ring, oval cabochon opals interspaced with four natural single cut diamonds hallmarked Chester circa 1916, ring size Q

Opal and Diamond Art Deco Ring

Lightning Ridge opal and diamond ring 14ct white gold Lightning Ridge opal and diamond Art Deco ring, with central black Australian Lightning Ridge opal (4.13ct, blue-green colour play, floral pattern, opaque) flanked 26 round brilliant cut diamonds size…

Large Opal & Diamond Ring in 14ct Yellow Gold

14ct yellow gold large central opal & diamond ring centre opal 5.0 ct triplet, 28 round white diamonds total weights approx 0.50ct. Colour G-H, clarity SI1-SI2. Total weight approx 6.0 grams.

Opal, Emerald and Diamond Ring with Oval Cabochons

14ct gold, silver, opal, emerald and diamond ring, centring a trilliant-cut opal cut en cabochon weighing approximately 8.30 carats, within a surround of single cut diamonds together weighing approximately 0.24 carats and a further surround of twelve oval…

Opal and Diamond Ring with Old Cut Diamonds

An opal and diamond ring, the solid white oval opal, estimated weight 2.45cts, surrounded by sixteen old cut diamonds, estimated total diamond weight 1.44cts, in platinum and gold, ring size O.

18ct White Gold Opal & Diamond Ring

An 18ct white gold ring set with an impressive solid Coober Pedy white opal surrounded by two rows of white diamonds, stamped '750, 18ct',

Opal and Diamond Vintage Ring in 18ct White Gold

Vintage opal and diamond set 18ct white gold ring also with a platinum setting. Marked 18ct plat. Approx 11 mm x 7 mm cabochon 1.95ct, 12x round brilliant cut diamonds estimated weight 0.42ct, VS-Si clarity, ring weight 5.9 grams, ring size N.

Opal and Diamond Ring in 14ct Yellow Gold

14ct yellow gold, opal and diamond ring greyish crystal opal with 25 brilliant cut diamonds (TDW=0.40ct), H=I, SI-I1, approx 7.3 grams

Opal and Diamond Border Ring in 18ct Gold

An opal and diamond ring, centering an oval opal, measuring approximately 19.50 x 13.60 mm, within a border of round brilliant-cut diamonds, mounted in 18ct gold, size O.

Opal and Diamond Trilliant Ring in White Gold

A white gold opal and diamond ring, centring an 11.5 x 10.5 mm crystal opal to upswept shoulders each set with a trilliant cut diamond, 2 totalling approx. 0.50ct, in 15ct gold, size O, wt. 4.21g.

14ct Gold Opal and Diamond Ring with Oval Cabochon

A 14ct gold opal and diamond ring, featuring an oval cabochon solid black opal, cracks, size 13.95 x 11.66 mm, with mostly blue and green colours flanked by 8 round brilliant cut diamonds totalling approx. 0.18ct, size N, wt. 4.27g.

Harlequin Opal and Diamond Ring by Catanachs

A harlequin opal and diamond ring by Catanachs, platinum, manufactured and retailed by Catanachs, featuring a central harlequin opal of strong blocked colours, measuring 21 x 13.5 x 4.65 mm, bezel set, flanked by curved grain set rails of old cut diamonds…

A good 18ct gold large opal and diamond ring, the oval cabochon 5.23ct. opal with white base and good blue/green/orange flash in radiating 14-pillar wire basket setting, framed by three modern brilliant cut diamonds to each side, graded F-G and Vs-Si. TDW…

Fire Opal and Diamond Ring in 18ct Gold

Fire opal and diamond ring, centred with a fire opal cabochon measuring approximately 14.6 x 12.40 x 8.36 mm, to diamond set claws and surround, mounted in 18ct gold, weight 15.4gm, ring size M.

18ct Opal & Diamond Ring with Ethiopian Black Opal

An 18ct white gold opal and diamond ring, millegrain set with a solid Ethiopean cabochon black opal to surround and upswept shoulders set with 42 round brilliant cut diamonds, tests 18ct gold, size at top 16 x 14 mm, size M, wt. 5.02g.

5.22ct Black Opal Ring with Diamond Halo

Lightning Ridge opal ring a black opal with strong play of colour in purple blues and green colours. Having a weight of 5.22ct with a halo of small diamonds total weight 0.32ct G to I colour SI to P1 clarity. Finished in 14ct white gold. Weight: 5.6 grams…

Black Opal and Diamond Artisan Band Ring

A modern solid black opal and diamond band ring, 18ct yellow gold, made as a handcrafted artisan style band ring, featuring a solid rectangular piece of black opal, measuring approximately 10 x 2 mm, strong green and blue spectral colours, horizontally…

Opal and Diamond Ring in White Gold

A solid black opal and diamond ring, the oval opal cut en cabochon surrounded by eight round brilliant cut diamonds, mounted in 18ct white gold, ring size K. Condition: ring presents in good condition. Opal displays good play of colour with flashes of…

Opal and Diamond Ring in 18ct Gold

Opal and diamond ring 18ct gold, opal within a surround of six brilliant cut diamonds and four pear shape cut diamonds, stamped '750' weight approximately 5.6 grams

18ct Gold Opal & Diamond Ring - Red/Green Hue

An 18ct yellow gold solid white opal and diamond ring one oval solid white opal, 8.00ct, red green in colour with sixteen round brilliant cut diamonds, 0.42ct in total, mounted in 18ct yellow gold. Total weight 11.4g

Opal and Diamond Ring in 18ct Yellow Gold

18ct yellow gold opal and diamond ring, set with solid white opal 3.1 mm surrounded by round brilliant cut diamonds I-SI2 clarity

Opal and Diamond Ring in 18ct Gold

Lightning Ridge opal (2.85ct) ring set in 18ct yellow gold with diamonds to shanks, total weight 3.3 grams, size N/7

Opal and Diamond Ring in 15ct White Gold

15ct white gold, pearl shaped opal & diamond ring approx 5.7 grams, size N/7

18ct Gold Mexican Fire Opal Ring with Diamonds

18ct gold rare large Mexican fire opal ring, set with diamonds

14ct Gold Opal and Diamond Ring with Rolling Colours

A 14ct gold opal and diamond ring, centring an oval cabochon solid crystal opal of approx. 5.01ct with good rolling colour display to surround set with 24 round brilliant cut diamonds totalling approx. 0.35ct, size at top 16 x 14 mm, size P, wt. 4.46g.

14ct Gold Opal & Diamond Ring - Ethiopean Solid Opal

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.

18ct Gold Opal & Diamond Ring with Black Opal

An 18ct gold opal and diamond ring, centring a 7.5 mm round fine black opal with blue green violet and some orange, surrounded by 2 round brilliant cut diamonds totalling an estimated 0.60ct Si, and 10 baguette cut diamonds totalling an estimated 0.80,…

18ct Rose Gold Opal & Diamond Ring, 4.90ct Opal

An 18ct rose gold opal & diamond ring, one oval solid white opal, 4.90ct with round brilliant cut diamonds, 0.70ct mounted in rose gold, size M Wt 6.1 grams

Opal and Diamond Gold Ring with Upright Shoulders

An 18ct gold opal and diamond ring, the oval cabochon opal in a rubover mount with a round brilliant cut diamond to each side, upright shoulders.

Opal and Diamond Halo Ring

14ct white gold opal and diamond halo ring, a 2.53ct oval opal cabochon (strong plays of green violet, orange and yellow), bezel set and surrounded by a halo of thirty-two round brilliant cut diamonds (Colour J-K, Clarity SI2- I2), with a single diamond…