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Opal and Diamond Rings

Elevate your jewellery collection with our exquisite gold opal and diamond rings. Each piece pairs the luminous beauty of Australian opals with the brilliance of fine diamonds, creating timeless designs full of sparkle and soul.

OPAL & DIAMOND JEWELRY

Aurielle opal ring with oval crystal opal and twist band in 14ct yellow gold

GOLD OPAL RINGS

'Alina' Gold Plated Silver Australian Triplet Opal Ring - Black Star Opal

BIRTHSTONE OPAL RINGS

Green and blue South Australian opal ring in a bezel setting

ALL OPAL RINGS

Celeste ring on hand, showcasing vivid opal colour and sparkling diamonds

Engagement rings

multi-colour lightning ridge black opal ring set in white gold with diamonds

Black Opal Rings

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green and orange opal ring with diamondssolid lightning ridge opal and diamond ring in gold
'Aitana' Gold Australian Crystal Opal Ring - Black Star Opal'Aitana' Gold Australian Crystal Opal Ring - Black Star Opal
'Aitana' Crystal Opal Ring 14ct Gold Sale price$7,550.00 AUD
colourful opal ring with diamonds set in white goldcrystal opal and diamonds white gold ring
Sold outgreen and blue teardrop shape opal gold ringblack opal ring featuring a green lightning ridge opal
'Allona' Black Opal Ring 14ct Gold Sale price$1,295.00 AUD
green opal ring set in white goldElegant 14ct white gold Anneisha opal ring showcasing a green oval Lightning Ridge black opal with two dazzling white diamond accents.
black opal ring set in white goldblue and green lighting ridge opal ring
Sold outblack opal ring in a blue colour set in goldblue opal ring lightning ridge
'Aydana' Black Opal Ring 14ct Gold Sale price$1,695.00 AUD
'Bijoux' White Gold Australian Crystal Opal Ring - Black Star Opal'Bijoux' White Gold Australian Crystal Opal Ring - Black Star Opal
shimmering green opal set into 18ct white gold ringgreen and blue opal ring set with white sparkling diamonds
Sold outblack crystal opal ring set in 14ct yellow goldcrystal black opal ring with green and blue twinkles
'Camila' White Gold Australian Crystal Opal Ring - Black Star Opal'Camila' White Gold Australian Crystal Opal Ring - Black Star Opal
'Camile' opal and diamond ring in 14ct yellow gold with bezel-set oval Coober Pedy crystal opal and 16 shoulder-set white diamondsElegant 14ct yellow gold opal engagement ring featuring Australian crystal opal with vibrant play-of-colour and sparkling diamond accents
'Camile' Crystal Opal Ring 14ct Gold Sale price$3,295.00 AUD
Sold outtwo black opals set into a white gold ring with two diamondsblack opal ring set in white gold
Close-up of Celeste opal ring showing oval-shaped crystal opal and diamond shouldersSide profile of 14ct yellow gold opal and diamond ring with bezel setting
semi black opal gold ring14ct gold semi black opal ring with diamonds
multi-colour round crystal opal white gold ring with one diamondaustralian crystal opal white gold ring
Gold ring with a blue opal gemstone on a white background'Cyane' opal ring in 14ct yellow gold with side bezel-set Lightning Ridge black crystal opal and two accent diamonds
'Cyane' Black Opal Ring 14ct Gold Sale price$1,695.00 AUD
multi-colour crystal opal ring set in white gold with two white shoulder-set diamondscolourful crystal opal white gold ring with two diamonds
green and blue with yellow highlights crystal opal ring set in 18ct gold with 36 diamondsopal engagement ring with a round australian solid crystal opal set into an 18ct yellow gold ring surrounded by diamonds
'Dhana' Crystal Opal Ring 18ct Gold Sale price$7,550.00 AUD
doublet opal ring set in 18ct yellow goldGold doublet opal ring with a blue and green striped Australian opal
'Dylan Boulder Opal Ring 14ct Gold Sale price$9,950.00 AUD
'Dynasty' Gold Australian Crystal Opal Ring - Black Star Opal'Dynasty' Gold Australian Crystal Opal Ring - Black Star Opal
'Dynasty' Crystal Opal Ring 9ct Gold Sale price$2,595.00 AUD
two crystal opals set in a white gold ring with diamondslightning ridge opal ring set in white gold
‘Eira’ opal ring in 18ct yellow gold with vivid black opal and 22-diamond haloSolid black crystal opal ring with red, green, blue, orange and yellow flashes in gold setting
14ct yellow gold ring featuring bezel-set opal and two shoulder diamondsDelicate gold opal ring with oval Lightning Ridge crystal opal and diamonds
'Elira' Crystal Opal Ring 14ct Gold Sale price$1,045.00 AUD
Square-cut Australian opal ring in 14ct yellow gold with diamond accentsBlue and green opal doublet ring with four white diamonds on gold band
'Elowen' Doublet Opal Ring 14ct Gold Sale price$2,295.00 AUD
Eveline opal ring in 14ct yellow gold with teardrop Australian doublet opalElegant Australian opal and diamond ring in polished 14ct gold
diamond and opal ringsemi-black opal ring bezel set in 14ct white gold
'Katia' Gold Australian White Opal Ring - Black Star Opal'Katia' Gold Australian White Opal Ring - Black Star Opal
'Katia' White Opal Ring 18ct Gold Sale price$2,995.00 AUD
Liora opal ring in 14ct yellow gold with oval Australian doublet opal and diamond shouldersLiora opal ring in 14ct yellow gold featuring oval Australian doublet opal with sparkling diamond shoulders
'Liora' Doublet Opal Ring 14ct Gold Sale price$2,550.00 AUD
'Logan' Gold Australian Doublet Opal Ring - Black Star Opal'Logan' Gold Australian Doublet Opal Ring - Black Star Opal
'Logan' Doublet Opal Ring 18ct Gold Sale price$4,500.00 AUD
'Lucila' Gold Australian Crystal Opal Ring - Black Star Opal'Lucila' Gold Australian Crystal Opal Ring - Black Star Opal
'Lucila' Crystal Opal Ring 14ct Gold Sale price$2,995.00 AUD
three black opals set into a gold ring with two accent diamondsthree black opals set into a 14ct gold opal ring
'Mairi' black opal ring with vivid multicolour Lightning Ridge opal and diamond halo in 18ct yellow goldSide view of 'Mairi' gold ring showcasing round-oval black opal and sparkling diamond setting
'Mairi' Black Opal Ring 18ct Gold Sale price$5,995.00 AUD
multi-coloured crystal opal ring in 18ct goldcolourful crystal opal ring in gold
'Margot' Crystal Opal Ring 18ct Gold Sale price$8,795.00 AUD
Round green crystal opal ring in 14ct white gold with diamond shouldersDelicate white gold opal ring featuring Lightning Ridge crystal opal
colourful marquise shaped crystal opals set into an ornate 18ct yellow gold ringgreen crystal opal gold ring
Melia opal ring featuring an 18ct yellow gold split band, oval-shaped Lightning Ridge crystal opal, and 14 white diamond accentsbeautiful lightning ridge black opal gold ring
'Melia' Crystal Opal Ring 18ct Gold Sale price$8,595.00 AUD
Sold outblack opal gold ring with a green and blue Lightning Ridge solid opalblue and green-coloured Lightning Ridge black opal gold ring with 16 diamonds
'Nevaeh' Black Opal Ring 18ct Gold Sale price$4,550.00 AUD
'Pamilla' Crystal Opal Ring 18ct White Goldcolourful teardrop shaped crystal opal ring in white gold
'Rainbow Princess' White Gold Australian Black Opal Ring - Black Star Opal'Rainbow Princess' White Gold Australian Black Opal Ring - Black Star Opal
'Ryla' opal ring in 14ct yellow gold featuring a vibrant green rectangular Lightning Ridge semi-black opal, bezel-set and accented with 12 sparkling white diamonds.Elegant Ryla opal ring crafted in 14ct yellow gold with a bright green rectangular Lightning Ridge semi-black opal and 12 sparkling diamond accents.
gold crystal opal ring with diamondscolourful gold opal ring with six diamonds
'Sadira' Crystal Opal Ring 14ct Gold Sale price$2,795.00 AUD
'Sigrid' Gold Australian White Opal Ring - Black Star Opal'Sigrid' Gold Australian White Opal Ring - Black Star Opal
'Sigrid' White Opal Ring 18ct Gold Sale price$2,250.00 AUD
'Sofia' Gold Lightning Ridge Black Opal Ring - Black Star Opal'Sofia' Gold Lightning Ridge Black Opal Ring - Black Star Opal
'Sofia' Black Opal Ring 18ct Gold Sale price$5,995.00 AUD
colourful crystal opal ringteardrop shape crystal opal set in 14ct yellow gold
'Sophia' Crystal Opal Ring 14ct Gold Sale price$1,745.00 AUD
'Southern Princess' White Gold Australian Crystal Opal Ring - Black Star Opal'Southern Princess' White Gold Australian Crystal Opal Ring - Black Star Opal
Thalia crystal opal ring in 14ct white gold with round Coober Pedy opalClose-up of vivid multi-coloured Coober Pedy opal in white gold setting
ring with two blue and green lightning ridge black opals set in goldblack opal ring set in 14ct yellow gold

The Ultimate Opal and Diamond Ring Guide

There’s something truly magical about the union of fiery opals and dazzling diamonds. At Black Star Opal, we bring this rare combination to life with our curated collection of opal and diamond rings—where the beautiful glow of ethically-sourced Australian opal meets the sparkling clarity of white diamonds. Each ring in our collection is thoughtfully designed for those who appreciate jewellery that is not only beautiful but also meaningful, rare and infused with Australian heritage.

Our collection of gold opal rings accented with diamonds features only natural Australian opals sourced from the world's premium...

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Elegant Styles for her

OPAL RINGS FOR WOMEN

Elegant and meaningful, our women’s opal rings combine natural Australian opals with timeless design. A celebration of colour, individuality and refined style in every piece.

black opal and diamond ring

BOLD COLOUR, BRILLiANT SPARKLE

OPAL AND DIAMOND JEWELLERY

Opal and diamond jewelry blends radiant colour with timeless brilliance. These captivating pieces highlight nature’s rare beauty, crafted to dazzle with elegance.

EXPERIENCE THE BLACK STAR OPAL DIFFERENCE

Free Global Shipping

Enjoy free worldwide delivery and safe, insured shipping

Money Back Guarantee

Customer satisfaction with our 30-day money back guarantee

Tax-Free Shopping

International orders avoid 10% Australian goods & services tax

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Shop confidently with our secure credit card payment system

Authenticity Certificate

Gold jewellery + gems include Certificate of Authenticity

CUSTOMER TESTIMONIALS

★★★★★

"Two things stand out: quality of product and quality of service. If a sixth star for excellence could be awarded, Black Star Opal should receive it."

Bruce Bennett

★★★★★

"Ordered a ring and very happy with purchase. Arrived within 5 days of ordering and fits me perfectly. Looks beautiful. Would definitely recommend Black Star Opal to anyone looking for opal jewellery."

Narelle

★★★★★

"I bought an engagement ring from their online store and my fiancée is over the moon with it! It's absolutely gorgeous. I also had some questions around sizing, and Olivia was super helpful and responsive. Fast delivery to Germany too."

Joseph Bautista

Opal and Diamond Ring

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A model wearing opal rings on three fingers and an opal necklace around her neck