• Premium metals
  • Trusted by 200,000+ customers
  • Ethically sourced gems
  • Secure checkout

Your cart

Purple rainbow gradient hero background in the lightest tone, alternate version

Opal Engagement Rings

Opal is unlike every other stone used in engagement rings. Where sapphire offers one color worn with depth and consistency, and moissanite offers brilliance that follows predictable physics, opal does something neither can — it plays light. The phenomenon is called play-of-color, and it is not a surface effect or a treatment. It is the stone's internal structure diffracting light into shifting spectral color that changes as the ring moves. No two opals produce the same pattern. No two rings look identical, even when set in the same design.

That individuality is exactly why opal engagement rings have grown from a niche choice to a serious one. At Aquamarise, every opal engagement ring is handcrafted to order around a specific stone — the setting chosen for how it holds and frames that particular opal's color pattern, not as a generic template applied to whatever stone is available. Available in sterling silver, gold vermeil, and solid 14K gold across solitaire, halo, bezel, nature-inspired, and vintage silhouettes. Use the free ring sizer before ordering, and read the jewelry care guide before purchase — opal requires specific care that differs meaningfully from harder stones.

60 Results

Red Fire Opal & Black Onyx Ring in 14K Rose Gold Vermeil
BOGO

Red Fire Opal & Black Onyx Ring14K Rose Gold Vermeil

Regular price $175 $140 (-20%)

Unit price
per 

Lab Grown Ruby and Natural Australian Opal Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold featuring a pear cut ruby, Australian opal, and moissanite accents on a delicate rose gold band.
BOGO

Ruby and Australian Opal Ring14K Rose Gold Vermeil

Regular price $175 $140 (-20%)

Unit price
per 

Green Fire Opal Leaf Engagement Ring in 14K Rose Gold Vermeil featuring a vibrant green fire opal center, opalescent side stones, and intricate leaf engraving by Aquamarise.
BOGO

Green Fire Opal Leaf Engagement Ring14K Rose Gold Vermeil

Regular price $175 $140 (-20%)

Unit price
per 

Aquamarine & Fire Opal Leaf Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring an oval aquamarine center with white fire opal accents on a rose gold leaf-inspired band.

Aquamarine & Fire Opal Leaf Engagement Ring14K Solid Rose Gold

from $1,875

Unit price
per 

Opalescent Blue Sapphire Mermaid Engagement Ring in Sterling Silver by Aquamarise, featuring a rectangular light blue sapphire center flanked by triangular opalescent accents and sparkling diamonds on a delicate sterling silver band, part of Sterling Silver Rings, September Birthstone Jewelry, Engagement Rings for Women, and Nature-Inspired Engagement Rings collections.
BOGO

Opalescent Blue Sapphire Mermaid Engagement RingSterling Silver

Regular price $160 $128 (-20%)

Unit price
per 

Australian Opal Leaf Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a luminous oval Australian opal center stone accented with delicate pink opal and sparkling white stones on a finely engraved leaf-inspired band from nature-inspired and solid gold engagement ring collections.

Australian Opal Leaf Engagement Ring14K White Gold

from $1,685

Unit price
per 

Turquoise Opalescent Blue Sapphire Ring Set in Sterling Silver by Aquamarise, showcasing a pear-shaped vibrant turquoise blue sapphire set in 925 sterling silver with intricate leaf-inspired detailing and small sparkling white gemstones.
BOGO

Turquoise Opalescent Blue Sapphire Ring SetSterling Silver

Regular price $140 $112 (-20%)

Unit price
per 

Opalescent blue sapphire black onyx ring set in sterling silver
BOGO

Opalescent Blue Sapphire & Black Onyx Ring SetSterling Silver

Regular price $175 $140 (-20%)

Unit price
per 

Vintage Australian Opal Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring a luminous opal center with diamond accents and an intricate vintage-inspired band design.

Vintage Australian Opal Ring14K Solid Rose Gold

from $2,075

Unit price
per 

Vintage Natural Australian Opal Engagement Ring in 14K Solid Yellow Gold featuring a luminous opal center with sparkling diamond accents on an intricate vintage-inspired band by Aquamarise Gold.
Rose gold ring with a blue opal stone and diamond accents on a white background

Vintage Blue Fire Opal Engagement RingSolid 14K Rose Gold

from $1,795

Unit price
per 

Entwined Natural Australian Opal Engagement Ring in 14K Solid Yellow Gold by Aquamarise Gold, featuring a luminous opal center with intertwined diamond-accented yellow gold band.
Victoria Australian Opal Engagement Ring in Solid 14K Rose Gold

Victoria Australian Opal Engagement RingSolid 14K Rose Gold

from $1,945

Unit price
per 

Skye Kite® Blue Fire Opal & Topaz Engagement Ring Set- 14K White Gold features a kite-cut vibrant blue fire opal centerpiece accented with marquise and round topaz and diamond gemstones on polished white gold bands by Aquamarise Gold, a stunning choice in Fantasy-Inspired Engagement Rings and Birthstone Jewelry collections.
Lavender Fire Opal & Emerald Leaf Couples Ring Set featuring a sterling silver band with vibrant purple opal center and emerald leaf accents by Aquamarise, unique matching couples rings.
Cordelia Oval Cut Australian Opal Engagement Ring in 14K White Gold by Aquamarise Gold featuring an oval Australian opal surrounded by sparkling diamonds in a vintage-inspired design.

Cordelia Oval Cut Australian Opal Engagement Ring14K White Gold

from $2,095

Unit price
per 

Cordelia Oval Cut Australian Opal Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold featuring an oval opal center surrounded by sparkling diamonds in a delicate rose gold setting.
Vintage Australian Opal Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a luminous opal center with delicate moissanite accents on an intricate vintage-inspired band.

Vintage Australian Opal Engagement Ring14K White Gold

from $2,075

Unit price
per 

Lab Grown Ruby and Natural Australian Opal Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold featuring a pear cut ruby, Australian opal, and moissanite accents on a delicate rose gold band.
Victoria Natural Australian Opal Art Deco Engagement Ring in 14K White Gold by Aquamarise Gold, featuring an oval opal surrounded by tapered and round moissanite accents in a vintage-inspired design.
Teardrop Morganite & Fire Opal Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold featuring a pear-shaped morganite center with fire opal and diamond accents on an elegant band.
Natural Amethyst & Fire Opal Engagement Ring in 14K White Gold by Aquamarise Gold featuring a pear-shaped amethyst center with opal and diamond accents on a delicate white gold band.

Natural Amethyst & Fire Opal Engagement Ring14K White Gold

from $1,995

Unit price
per 

Silver ring with a blue gemstone on a light purple background

Esme Aquamarine & Opalescent Sapphire Ring14K White Gold

from $2,035

Unit price
per 

Blue Fire Opal Engagement Ring- 14K Solid Yellow Gold featuring a teardrop opal center with halo and pear-shaped opal accents in delicate yellow gold by Aquamarise Gold.

Blue Fire Opal Engagement Ring- 14K Solid Yellow Gold

from $1,885

Unit price
per 

An opal engagement ring cannot be duplicated — not as a slogan, but as physics. Opal is hydrated silica, holding 3% to 21% water in its structure, and its play-of-color comes from microscopic silica spheres diffracting light into shifting spectral flashes. No two stones stack their spheres identically, so no two rings flash the same pattern, even set in the same design. For a piece of jewelry meant to stand for one particular love, that argument makes itself.

Opal Engagement Rings with a One-of-a-Kind Center

Every ring in this collection is handcrafted to order around a specific stone — the setting chosen for how it holds and frames that opal’s particular fire. The range runs from soft white and lavender stones through vivid blue and green fire opal to dramatic dark-bodied designs, in solitaire, halo, bezel, vintage, and nature-inspired silhouettes across 925 sterling silver, 14K gold vermeil, and solid 14K gold.

Silver ring with purple gemstone and green stones on a rock with a purple background

Is Opal Practical for an Engagement Ring? An Honest Answer

Yes — provided you choose it with open eyes, and we would rather give you the facts than the sales pitch. Opal is the softest stone in our bridal lineup at Mohs 5.5 to 6.5. That is why the settings in this collection skew protective: bezels that wrap the stone’s edge in metal, halos that raise a guard of accent stones, recessed and low-profile designs that keep the opal out of harm’s way on a busy hand.

The care rules are short. Never put an opal ring in an ultrasonic cleaner. Take it off for genuinely rough work — gardening, lifting, renovation. Clean it with lukewarm water, mild soap, and a soft cloth. That is the entire contract, and generations of daily-worn opal rings prove it is a fair one. In exchange you get the only engagement stone that answers light with a light show of its own.

White, Lavender, Blue & Black Fire Opal Bridal Looks

Body tone sets the ring’s temperament. White opal reads classic and bridal — pastel fire over a luminous ground that flatters every metal. Lavender and pink stones lean romantic, especially in rose-toned settings. Blue and green fire opal photograph vividly and anchor our ocean- and galaxy-themed designs, while dark-bodied stones turn the same spectral flashes theatrical. Australia dominates fine opal supply, and lab-created opal — identical silica structure, unusually consistent fire — appears in some designs and is disclosed on every listing where it does.

Around the stones sit the silhouettes this store is known for: leaf-and-vine nature settings, celestial moons and stars, mermaid and fairy flourishes, and cleaner solitaires for minimalists. If you are still weighing the stone itself, compare moonstone engagement rings for a quieter glow, or browse the full alternative engagement rings field before deciding.

Green Moss Agate & Fire Opal & Gold Leaf Couples Ring Set by Aquamarise features a nature-inspired design with vibrant green moss agate, sparkling fire opal, and gold leaf accents on contrasting black and gold bands, part of Matching Couples' Rings and October Birthstone collections.

Made to Order in Sterling Silver, Vermeil & Solid 14K Gold

Three metal tiers, honestly described, carry every design. 925 sterling silver — a solid 92.5% silver alloy in a bright rhodium finish — opens the collection. 14K gold vermeil bonds a 2.5-micron layer of 10K-or-finer gold over that sterling base, the FTC’s standard for true vermeil, in rose and yellow warmth that flatters lavender and white stones alike. Solid 14K gold, 58.5% pure and stamped 585, crowns the range.

Because each ring is built around its individual stone, made to order rather than pulled from stock, the same design can be realized at any tier without changing the drawing. Wherever refiners can supply it we work in recycled precious metals. Matching opal wedding bands — crushed and inlay fire in tungsten and contrasting metals — let a partner carry the same glow in a completely different register.

Opal Jewelry Beyond the Bridal Collection

For the stone outside bridal settings — earrings, pendants, necklaces, coordinated pieces, and non-bridal rings — see the broader opal jewelry collection, where the same stones and metals appear across every product type. It is also the right place to build a matching set around an engagement ring chosen here.

Why Choose an Aquamarise® Opal Engagement Ring

Every ring is handcrafted to order around its stone, ships with insured delivery, and can carry a private message through complimentary engraving — or begin life entirely custom through the custom ring service. We hold a 4.9-star average across 38,000+ reviews collected on our store and on Etsy, where we have sold since 2016.

From the Blog

Opal Engagement Rings: The Complete Guide to Types, Durability, Pricing & Care

Opal Engagement Rings: The Complete Guide to Types, Durability, Pricing & Care

A jeweler's complete guide to opal engagement rings: every opal type (white, black, boulder, crystal, Ethiopian, fire, lab-created), honest durability data, 2026 pricing, the best protective settings, meaning, and care.

Read more
Fire Opal Engagement Rings: The Complete Guide to the Glowing Gemstone

Fire Opal Engagement Rings: The Complete Guide to the Glowing Gemstone

Mexican fire opal explained — faceted not cabochon, transparent, valued for body color. Durability data, 2026 pricing, the best settings, and why fire opal is the opal exception.

Read more
Black Opal: The Complete Buyer's Guide to Lightning Ridge's Rarest Gemstone

Black Opal: The Complete Buyer's Guide to Lightning Ridge's Rarest Gemstone

A jeweler's guide to black opal: how body tone (N1-N9), brightness, pattern, and color set the price, where real Lightning Ridge stones come from, how to tell a solid stone...

Read more
How to Care for Your Engagement Ring: When to Take It Off & Maintenance Tips

How to Care for Your Engagement Ring: When to Take It Off & Maintenance Tips

Your love is bulletproof — your ring is not. A complete guide to when to remove it, how to clean every metal safely, gemstone-specific care for moss agate, opal, moissanite...

Read more

Opal Engagement Rings FAQs

4.9

38,000+ verified reviews

“It's so gorgeous, I love the hints of blue and it's a beautiful shade of green.”

Veronica, verified buyer

“The ring is just as beautiful in person as it is in the pictures. It's the perfect size for me also.”

Jessica C., verified buyer

“Using this as my wedding ring. I'm so in love with it! Pictures don't do it justice.”

Cristian, verified buyer

“This set is so much more beautiful in person! They fit perfectly! I've gotten so many compliments already!”

Ellen M., verified buyer

Free U.S. Shipping

Worldwide Delivery

2M+ Followers

38K+ Reviews Across Our Store & Etsy

Warranty & Easy Returns

Ethically Sourced Gemstones