Antique or vintage diamond and opal ring - price guide and values

Opal and Diamond Ring in 18ct Yellow Gold

18ct yellow gold opal & diamond ring. Oval opal with two shoulder diamonds (total approx. 0.09ct).

White Gold Opal & Diamond Ring with 0.25ct Diamonds

14ct white gold opal & diamond ring. Large white oval opal surrounded by diamonds. Total diamonds approx. 0.25ct

Opal and Diamond Ring in 14ct Yellow Gold

14ct yellow gold opal & diamond set ring. Central oval solid opal with 6 shoulder diamonds. Wt.4.8g

Victorian Opal and Diamond Half Hoop Ring

An antique opal ring, 18ct yellow gold, crafted as a classic five stone half hoop Victorian ring, set across with five oval solid white opals in low bead claw settings with open backs, spaced to each by tiny mine cut diamonds grain set, scrolled to…

18ct Gold Opal & Diamond Ring with Triangular Stone

An 18ct gold white opal doublet and diamond ring one triangular solid white opal, 1.80ct, green red in colour with eight round brilliant cut diamonds, 0.15ct in total, mounted in 18ct yellow gold total weight 8.4grams

Opal and Diamond Gold Ring with Brilliant Cut Diamonds

A modern 18ct. yellow gold opal and diamond ring, the oval cabochon opal held by four claws above an encircling ring of modern brilliant cut diamonds, forked shoulders.

Opal Doublet and Diamond Ring in 18ct Gold

An opal doublet and diamond ring. 18ct yellow gold. Weight 2.51 grams. Size G.

Opal and Diamond 18ct Gold Ring, Size P1/2

An opal and diamond ring, 18ct yellow gold, ring size P1/2

Rose Gold Opal Diamond Ring - Size O/7

14ct rose gold, solid black opal & diamond ring, weight: approx 2 grams, size: O/7

Solid Opal and Diamond Ring in 14ct Yellow Gold

14ct yellow gold, solid opal & diamond ring Australian opal bought in Lightning Ridge (potch backing) weight: approx 3.1 grams, size: L-M/6

18ct Gold Opal and Diamond Ring with Surround

An 18ct gold opal and diamond ring, 14.9 x 9.7 mm opal (some flat spots) to a surround of 19 round brilliant (2 chipped) and a single cut diamond. Size n 1/2.

Opal, Ruby and Diamond Flower Ring

An 18ct. white gold opal ruby and diamond ring, the flower head design comprised by six oval cabochon opals radiating from the central ruby, a single bead set diamond separating each opal, basket mount.

Victorian Opal & Diamond Ring by Turnbull Bros

Antique Victorian 18ct gold opal and diamond ring by Turnbull Bros. Birmingham 1901. Weight 3.5g. size P.

18ct. Opal & Diamond Twist Ring

An 18ct. yellow gold opal and diamond ring, the oval cabochon fire opal in a rub over mount with three small brilliant cut diamonds to each twisted mount shoulder

Opal and Diamond Gold Ring, Size O-P

An 18ct yellow gold ring, set with an opal and three small diamonds on each shoulders. Size O-P. Weight 4.5g.

Oval Opal & Diamond Ring in 18ct Yellow Gold

18ct yellow gold opal & diamond ring. Oval opal with two shoulder diamonds (total approx. 0.18ct)

Opal and Diamond Ring with Marque and Brilliant Cut Diamonds

A platinum & 18ct yellow gold solid opal & diamond ring, one round solid semi black opal, 10.5 mm with two marque diamonds, 0.30ct & four round brilliant cut diamonds, 0.12ct mounted in platinum with a yellow gold band, size J, Wt 3.5grams

Opal and Diamond Gold Ring

An impressive 18ct gold and opal diamond ring. having central opal surround by 10 diamonds.

Opal and Diamond Antique Gold Ring

Antique 18ct yellow gold, opal and diamond ring

Multi-gemstone A.D.O.R.E Ring in 9ct Gold, Size O

A 9ct gold A.D.O.R.E ring, set with an amethyst, round brilliant cut diamond, opal, ruby and an emerald, size O.

Opal, Ruby, and Diamond Gold Ring in Art Deco Style

An Art Deco style 9ct gold gem set ring, centring a crystal opal surrounded by mixed cut rubies and round brilliant cut diamonds, size M - N, wt. 3.1g.

Andamooka Opal and Diamond Ring

An 18ct gold opal and diamond ring; featuring a cone shape Andamooka matrix honey opal, 30 x 10 mm, surmounted by 4 round briiliant and a single cut diamond, size T, Wt. 14.2g.

18ct Gold Opal & Diamond Ring, Size P

An opal and diamond ring, set in 18ct gold with a 11.4 x 7.6 crystal white opal (neds polishing) adjacent to 6 single cut shoulder diamonds. Size P. Wt. 8.8g

Opal and Diamond Ring in 18ct White Gold

An opal and diamond ring, the oval cabochon cut opal of green, yellow, blue and red tones, of approx. 1.52ct with a brilliant cut diamond on each shoulder, set in 18ct white gold. Size Q. Weight 3.9g.

Antique Victorian Opal and Diamond Gold Ring

Victorian opal and diamond set 18ct gold ring, marked Birmingham 1886 WB. Approx weight 4.2 grams, ring size O

Opal and Diamond Ring in 18ct Yellow Gold

18ct yellow gold opal & diamond ring. Oval opal with two shoulder diamonds (total approx. 0.09ct).

Opal and Diamond Ring in 18ct White Gold

18ct white gold opal & diamond ring. Oval opal surrounded by 16 diamonds (total approx. 0.16ct).

18ct White Gold Opal Ring with Diamond Shoulders

An Australian opal ring, diamond baguette shoulders, set in 18 carat white gold. Size L 1/2. Weight 4.3g.

9ct Gold Chains with Opal Pendants and Diamond Ring

A 9ct yellow gold selection two 9ct yellow gold chains with two opal pendants in 9ct and a small diamond ring also in 9ct yellow gold. Weight:13.5 grams.(2)

Opal and Diamond Ring in 9ct Yellow Gold

9ct yellow gold opal and diamond ring. Oval opal surrounded by 24 diamonds (total approx. 0.25ct). Wt. 4.8g

Opal & Diamond Bridge Ring

Victorian milk opal and diamond bridge ring, three oval cabochon opals interspaced with four old European cut diamonds

18ct Gold Opal and Diamond Ring, Size L (4.9g)

An 18ct gold opal and diamond ring, doublet opal. Weight 4.9g. Size L.

Edwardian Opal and Diamond Gold Ring

An Edwardian style 18ct gold opal and diamond ring, set with 3 crystal opals and 2 early single cut diamonds, size P, wt. 3.47g.

Opal Triplet and Diamond Ring in 9ct Yellow Gold

A 9ct yellow gold opal Triplet and diamond ring two oval triplet opals with twenty four round brilliant cut diamonds, 0.24ct in total. Total weight 9grams.

18ct Gold Opal & Diamond Ring with Solid Black Stone

An 18ct yellow gold solid black 3.50ct opal and diamond ring one oval black solid opal, 3.5ct, green red in colours with eight round brilliant cut diamonds, 0.08ct in total, mounted in 18ct yellow gold. Total weight 5.9g

Black Opal and Diamond Ring in 18ct Yellow Gold

An opal ring 18ct yellow gold ring with one oval solid black opal, 1.80ct, blue green in colour and sixteen round brilliant cut diamonds, 0.20ct in total total weight 8.6gm

Opal and Diamond Ring with English Hallmarks, Size Q

9ct yellow gold opal and diamond ring, three white crystal opals, four single cut diamonds, size Q, 2.2g, English hallmarks

White Opal and Diamond Ring in 18ct White Gold

A solid white opal and diamond ring, oval cut opal set with baguette diamond shoulders in 18ct white gold. Ring size M1/2. Weight 3.4g.

Opal, Ruby, and Diamond Flower Ring

An 18ct. rose gold opal ruby and diamond ring, the flowerhead design comprised by five oval cabochon diamonds, radiating from the central ruby, diamonds framing the outer curve of each opal, forked shoulders.

18ct Gold Opal & Diamond Ring with 0.30ct Diamonds

An 18ct yellow gold solid white opal and diamond ring opal measures 10.5 mm x 7.5 mm. Fourteen round brilliant cut diamonds, 0.30ct. Total weight 7grams

Nice 12ct gold, opal and diamond ring, unmarked, tested 12ct, featuring a large organic shaped solid boulder opal in a multi pronged setting, accented with three round brilliant cut diamonds, the prongs conjoining to form the band, total weight 10.4gm,…

18ct Opal & Diamond Ring with Crystal Opal Centerpiece

An 18ct white gold opal and diamond ring, rub set with a solid crystal opal flanked by 9 round brilliant cut diamonds, width 10.3 mm, size N, wt. 3.54g.

Oval Opal and Diamond Ring in White Gold

An opal and diamond ring, the central oval black opal cabochon measuring 11 mm x 7.1 mm. White gold. Ring size P.

Opal and Diamond 14K Gold Halo Ring, Size L

Opal and diamond set yellow gold halo ring marked 14k 585. Appro@ weight 4.6 gram, ring size L, appro@ 8@ round brilliant cut diamonds 2.4-3 mm dia.

Opal and Diamond Rose Gold Ring, Size O

Opal, diamond and 18ct rose gold ring marked 750, approx solid opal size 14.3 mm x 8.8 mm, shopping greens, blues and dark colours, weight 3 grams, ring size O

Opal and Diamond 18ct Gold Ring, Size M

Opal and diamond set 18ct yellow gold ring marked K18. Approx weight 4.7 grams, ring size M, opal cabochon size 9.5 mm x 6.8 mm

Opal and Diamond Ring in 18ct White Gold

Good platinum and white gold, opal & diamond ring, set in 18ct white gold with centre solid oval black crystal opal and 6 single cut diamonds on each shoulder, weight 2.75 grams, size M1/2 / 6,

18ct Gold Black Opal Diamond Ring - Size M/6

18ct yellow gold, black opal double and diamond ring, incorporating 9 old cut diamonds, weight 3.37 grams, size M/6

Opal and Diamond Bridge Ring in 18ct Yellow Gold

An opal and diamond bridge ring, set with a central white opal cabochon shouldered by round brilliant cut diamonds. 18ct yellow gold. Weight 3.18 grams. Size H.

Opal and Diamond Oval Ring in 9ct Yellow Gold

An oval opal and diamond ring having an oval cabochon cut white opal with good play of colour patch type pattern 17.7 x 12.3 mm accented with two small white diamonds. Mounted in 9ct yellow gold. Size: L. Weight: 4.5 grams.

Opal and Diamond Half Hoop Ring, 1898

An antique opal and diamond ring of half hoop design, set with three graduated oval solid white opals cut en cabochon, interspaced by old mine cut diamonds, hallmarked Birmingham 1898, mounted in 18ct gold, ring size T.

18ct Gold Black Opal & Diamond Ring

An 18ct yellow gold 1.50ct solid black opal and princess cut diamond ring four princess cut diamonds, 012ct in total. Total weight 6.4grams.

Green and Blue Opal Ring with Diamond in 18ct Gold

An opal ring, fancy cut opal with green and blue tones enhanced with a brilliant cut diamond in a bezel 18ct yellow gold setting. Size M. Weight 4.7g.

Victorian Opal and Diamond Ring

A Victorian opal and diamond ring. The marquise shaped ring set with five solid white opal cabochons and ten rose cut diamonds. 18ct yellow gold. Size O.

Black Opal and Diamond Ring with AIG Report

A 14k white gold black opal and diamond ring, the large 4.94ct oval cabochon black opal displaying play of colour, framed by a halo of diamonds, further diamonds set to the cross-over shoulders. Valuation and AIG gem report available.

Opal and Diamond Two-Tone Gold Ring

9ct two-tone gold, opal and diamond ring, centring an oval opal cut en cabochon weighing approximately 2.50 carats flanked by four round brilliant-cut diamonds together weighing approximately 0.08 carats, ring size M, 3.8 grams

Pear Opal and Diamond Ring in Textured Gold Setting

An opal and diamond ring, pear shaped light opal set with three round brilliant cut diamonds totalling approx 0.20cts in an open scrolled textured gold setting; testing as 14ct gold. Handmade ring. Ring size P. Weight 9.6g.

Rose Gold Opal & Diamond Ring with Cabochon Opals

An 18ct rose gold opal and diamond ring, three round cabochon opals each surrounded by small round brilliant cut diamonds.

Opal and Diamond Ring with Yellow and White Gold

An 18ct yellow and white gold opal and diamond ring, the oval cabochon opal in a rub over mount and surrounded by twenty-two single cut diamonds, the opal with a good play of fire, small chip to one side.

Opal and Diamond Gold Ring, Circa 1970

A yellow gold ring set with an oval opal doublet flanked by four white brilliant cut diamonds on each shoulder, circa 1970, 4.6 grams total

18ct Gold Opal & Diamond Organic Ring

An 18ct gold opal and diamond ring; organic mount set with 2 white opals, 10.5 x 8.5 mm each, one with small hairline crack, and 2 round brilliant cut diamonds totalling approx. 0.30ct, Si, size M, N, Wt. 13g.

18ct Gold Opal & Diamond Ring, Size M-N

An opal and diamond ring, set in 18ct gold. Yellow gold. Size M-N. Weight 3.9g.

Opal and Diamond Gold Ring

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.

9ct Gold Adore Ring with Gemstones

A 9ct gold gemset adore ring, set cross the top with a round cut amethyst, diamond, opal, ruby and emerald, size O, wt. 1.87g.

Crystal Opal and Diamond Ring in White Gold

An opal and diamond ring; centring a 9 x 7 mm crystal opal to surround and shoulders set with 66 round brilliant cut diamonds in 18ct white gold, size M - N.

Art Deco Opal, Ruby and Diamond Gold Ring

Opal, ruby and diamond ring set in 9ct yellow gold Art Deco style ring. Marked 375. Approx weight 3 grams, ring size M-N

Reversible Opal, Diamond, and Ruby Gold Ring

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

Opal and Diamond Ring in 9ct Rose Gold

An opal and diamond ring, featuring a centrally set light opal within a circular plaque, single round brilliant cut diamond totalling approx. 0.35cts; 9ct rose gold. Weight 5.9g. Ring size L.

Opal and Diamond White Gold Necklace and Ring Set

Pearl and diamond set 18ct white gold necklace unmarked. Approx opal size 27.5 mm 13 mm 3.6 mm depth, ring size R. Weight 8.88

18ct Gold Solid Opal and Diamond Two Tone Ring

An 18ct gold solid opal and diamond ring; two tone ring (yellow and rose gold). Weight 4.6g. Size P.

18ct Gold Opal & Diamond Ring, Edwardian Era

An Edwardian 18ct yellow gold solid white opal and diamond ring, five oval solid white opals, 2.50ct with eight single cut diamonds, 0.08ct mounted in a bridge style ring, size L Wt 6.4 grams

18ct Gold Black Opal & Diamond Ring

An 18ct yellow gold 1.83ct solid black opal and diamond ring sixteen round brilliant cut diamonds, 0.26ct. Total weight 5.7grams

Opal and diamond ring, circa 1899, composed of a line of graduating oval opal cabochons, embellished with old-cut diamonds, mounted in 18ct gold, size Q, gross weight approximately 5.9 grams, Chester assay marks.

Blue-green Opal Doublet Ring with Diamond Accents

Opal doublet ring, bezel set in yellow gold with a blue green stone with channel set brilliant cut diamonds to the shoulders, stamped 18ct, total weight 4.5grams, size O

18ct Gold Opal & Diamond Ring with Guilloche Shoulders

An 18ct gold opal and diamond ring, centring a 9.6 x 7 mm oval cabochon black opal (approx. 1.40ct) to guilloche shoulders set with 4 round brilliant cut diamonds, size J1/2, wt. 3.39g.

18ct White Gold Opal and Diamond Ring with Crack

Opal and diamond set 18ct white gold ring marked 750. Approx opal size 12 mm x 9 mm x 5.4 mm, ring size J, weight 6.8 grams. Internal crack to the center of the opal.

Fire Opal and Diamond 18k Gold Ring

Fire opal, diamond and 18ct yellow gold ring marked 18k to shank with a raised basket gallery setting, is set with round brilliant cut diamonds, approx x20, opal cabochon dimensions 9.5 mm x 13 mm x 5.5 mm, ring weight 4.5 grams, ring size O

Opal & Diamond Ring with Openwork Surround in 18ct Gold

Opal and diamond ring, 18ct white and yellow gold, centring a white solid opal within an open work surround embellished with old cut diamonds, one diamond deficient and band (A/F), approx. Weight 5.4 grams

Opal and Diamond Ribbon Ring in 18K White Gold

An opal and diamond ring, the rectangular-shaped opal plaque, measuring approximately 3.8 mm x 1.5 mm, crossed by a ribbon set with round brilliant-cut diamonds, to the diamond-shoulders, diamonds approximately 0.60 carat total, mounted in 18 carat white…

Deco Opal and Diamond Ring in White Gold

An 18ct white gold Deco style opal and diamond ring, bezel set with a 12.5 x 5.5 oval shape solid opal with good play of colour to a scalloped border and kite shape shoulders set with 26 round brilliant cut diamonds, enclosed back, size at top 18.6 x 12.5…

18ct Gold Opal & Diamond Ring with Fine Colour

An 18ct gold black opal and diamond ring, centring a solid black opal estimated as 1.14ct, of fine colour (green/blue/orange), between shoulders each set with a round brilliant cut diamond totalling 0.13ct, Vs, size M, wt. 5.1g.

Opal and Sapphire Gold Ring with Diamonds, Size O

A 9ct gold opal and gemset ring, crystal opal surrounded by mixed cut blue sapphires and round brilliant cut diamonds, size O.

Opal and Diamond Ring with Tapered Baguette Shoulders

An opal and diamond ring, featuring a 19 x 14.5 fine cabochon opal estimated as 11.00ct displaying good colour to shoulders each set with a tapered baguette diamond, size R, wt. 12.1g

Opal and Diamond Halo Ring, 18ct White Gold, Size M

18ct white gold opal and diamond halo ring marked 18ct. 12 mm x 9.5 mm opal cabochon. 18x round brilliant cut diamonds 1.8 mm-2 mm. Total weight 5.8g size M ring size

Opal and Diamond Gent's Ring in 9ct. Gold

A large and impressive 9ct. gold diamonds and opal gent's ring, the mount in the form of plain columns holding a large polished opal doublet of considerable fire, surrounded by sixteen small round brilliant cut diamonds, 37.8gms total.

Vintage Opal and Diamond Row Ring

Antique opal row ring, vintage yellow gold opal diamond row ring set with three opals and inset with diamonds

18ct Gold Opal and Diamond Ring, Size Q-R/8

Good hallmarked 18ct gold and 5 opal stone ring, (solid opals) with diamond highlights, weight: approx 4.02 grams, size: Q-R/8 (in box)

Oval Opal and Diamond Ring in 18ct Yellow Gold

Large opal set ring comprising of a 17.9 x 13.2 mm oval shape cabochon cut white opal medium play of colour some green, pink and blue colours seen. Also set are 0.12ct of round brilliant diamonds. Mounted in 18ct yellow gold. Weight 11.9 grams. Size: L.