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Unique Engagement Rings

Unique engagement rings built around unusual gemstones, unconventional cuts and distinctive settings — moss agate, salt-and-pepper diamonds, alexandrite and fantasy cuts in nature-inspired, gothic and celestial designs.

Valentina Art Deco Alexandrite Ring in 14K White Gold by Aquamarise Gold featuring a color-shifting oval alexandrite surrounded by intricate diamond accents in a vintage-inspired design.

Valentina Art Deco Alexandrite Ring14K White Gold

from $2,295

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Valentina Art Deco Emerald Ring in 14K Solid Yellow Gold by Aquamarise Gold, featuring a vivid oval emerald surrounded by intricate milgrain and sparkling diamonds in a vintage-inspired design.

Valentina Art Deco Emerald Ring14K Solid Yellow Gold

from $2,295

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per 

Stella Black Moissanite Engagement Ring in 14K White Gold by Aquamarise Gold featuring an oval black moissanite center with marquise and round white accents in a vintage-inspired design.

Stella Black Moissanite Engagement Ring14K White Gold

from $2,495

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Stella Oval Cut Aquamarine Vintage Engagement Ring in 14K White Gold by Aquamarise Gold, featuring an oval aquamarine with marquise and round diamonds in a vintage-inspired setting.

Stella Oval Cut Aquamarine Vintage Engagement Ring14K White Gold

from $2,395

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Cushion Cut Emerald Engagement Ring in 14K Solid Yellow Gold (Hidden Halo) by Aquamarise Gold, featuring a vibrant cushion emerald and diamond-accented band from Solid Gold Engagement Rings.
Skye Kite® Black Onyx Engagement Ring Set in 14K Solid Rose Gold with kite-shaped black onyx center and sparkling accent stones, showcasing Aquamarise Gold's elegant women’s rings collection.

Skye Kite® Black Onyx Engagement Ring Set14K Solid Rose Gold

from $2,395

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per 

Toi Et Moi Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold features a modern design with two IGI-certified lab-grown diamonds, including an emerald cut and a pear-shaped stone, set on a sleek white gold band.
Toi Et Moi Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold features a modern design with two IGI-certified lab-grown diamonds, including an emerald cut and a pear-shaped stone, set on a sleek white gold band.

Toi Et Moi Moissanite Engagement Ring14K White Gold

$2,575

Unit price
per 

Esme Ruby and Black Onyx Engagement Ring in 14K White Gold by Aquamarise Gold showcases a vivid oval ruby center accented with natural black onyx stones, set in a delicate, intricately detailed white gold band from the July Birthstone Jewelry and Non-Traditional Gemstone Engagement Rings collections.

Esme Ruby and Black Onyx Engagement Ring14K White Gold

$2,345

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per 

Feyra Lab-Grown Diamond and Blue Sapphire Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold features a pear-shaped lab-grown diamond center flanked by marquise blue sapphires and round blue sapphire accents in a nature-inspired, elegant white gold setting.
Feyra Gray Moissanite and Black Onyx Engagement Ring- 14K White Gold by Aquamarise Gold features a pear-shaped gray moissanite center stone framed by black onyx accents in an intricate white gold band, part of Solid Gold Engagement Rings and Fantasy-Inspired Engagement Rings collections.
Ruby and Black Onyx Leaf Engagement Ring Set- 14K White Gold features a vibrant oval ruby centerpiece flanked by intricately detailed white gold bands adorned with black onyx stones in a nature-inspired leaf motif by Aquamarise Gold.
Skye Kite® Green Sapphire Ring Set- 14K White Gold by Aquamarise Gold features a kite-cut green sapphire centerpiece accented with marquise and round diamonds on delicate white gold bands, part of the Skye Kite® Jewelry Collection and September Birthstone Jewelry.

Skye Kite® Green Sapphire Ring Set14K White Gold

from $2,395

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per 

Rose gold ring with large central gemstone and smaller stones on a gradient background

Skye Kite® Aquamarine and Moonstone Ring Set14K Solid Rose Gold

from $2,395

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per 

Cordelia Oval Cut Art Deco Ruby Engagement Ring in 14K Solid Yellow Gold by Aquamarise Gold, featuring a vibrant ruby center surrounded by sparkling moissanite accents in a vintage style.
Cordelia Vintage Morganite Engagement Ring in Sterling Silver by Aquamarise with an oval morganite center stone surrounded by sparkling diamonds on an intricate sterling silver band.

Cordelia Vintage Morganite Engagement Ring14K White Gold

$2,375

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per 

Toi Et Moi Lab-Grown Diamond and Aquamarine Ring- 14K White Gold (IGI Certified) by Aquamarise Gold features a delicate white gold band with a pear-shaped lab-grown diamond and an emerald-cut aquamarine, symbolizing a romantic union.

Toi Et Moi Aquamarine and Moissanite Ring14K White Gold

from $2,375

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per 

Feyra Lab-Grown Diamond Engagement Ring- 14K Solid Yellow Gold (IGI Certified) features a pear-shaped lab-grown diamond centerpiece with delicate marquise and round accents on an intricately twisted 14K yellow gold band by Aquamarise Gold, part of Solid Gold Engagement Rings and April Birthstone Jewelry collections.
Feyra Lab-Grown Diamond Engagement Ring- 14K Solid Yellow Gold (IGI Certified) features a pear-shaped lab-grown diamond centerpiece with delicate marquise and round accents on an intricately twisted 14K yellow gold band by Aquamarise Gold, part of Solid Gold Engagement Rings and April Birthstone Jewelry collections.

Feyra Moissanite Engagement Ring14K Solid Yellow Gold

from $1,975

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per 

Celtic Hexagon Cut Green Moss Agate Engagement Ring Set in 14K White Gold by Aquamarise Gold, featuring a geometric moss agate center with sparkling diamond accents.
Hexagon Cut Rutilated Quartz and Black Onyx Engagement Ring in 14K White Gold by Aquamarise Gold, featuring geometric black onyx accents and a unique rutilated quartz center stone.
Celtic Hexagon Cut Lab-Grown Emerald Engagement Ring Set in 14K Solid Yellow Gold by Aquamarise Gold, featuring an emerald hexagon center with sparkling diamond accents on a geometric band.
Toi Et Moi Blue Moissanite Two Stone Engagement Ring in 14K White Gold by Aquamarise Gold, featuring pear-shaped blue and white moissanite stones in a delicate white gold band.
Cordelia Green Moss Agate Vintage Engagement Ring in 14K White Gold by Aquamarise Gold, featuring oval moss agate with natural green inclusions and diamond accents on a twisted white gold band.

Cordelia Green Moss Agate Vintage Engagement Ring14K White Gold

from $2,175

Unit price
per 

Alexandrite and Moonstone Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring a rectangular alexandrite flanked by glowing moonstones on a polished rose gold band.

Alexandrite and Moonstone Ring14K Solid Rose Gold

from $1,975

Unit price
per 

Toi Et Moi Peridot and Emerald Engagement Ring in 14K White Gold by Aquamarise Gold featuring pear-cut vibrant green emerald and bright peridot stones in a delicate white gold band.

Toi Et Moi Peridot and Emerald Engagement Ring14K White Gold

from $1,945

Unit price
per 

Emerald Engagement Ring in 14K Solid Yellow Gold (Hidden Halo) by Aquamarise Gold, featuring a vibrant emerald cut green gemstone with sparkling diamond accents on a delicate yellow gold band.

Emerald Engagement Ring14K Solid Yellow Gold · Hidden Halo

from $2,175

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per 

Hexagon Green Moss Agate Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring a natural moss agate hexagon cut with geometric side stones in a delicate rose gold setting.

Hexagon Green Moss Agate Engagement Ring14K Solid Rose Gold

from $1,995

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per 

Triangle Green Moss Agate Engagement Ring in 14K White Gold by Aquamarise Gold with a unique nature-inspired triangle cut green moss agate stone on a sleek white gold band.

Triangle Green Moss Agate Engagement Ring14K White Gold

from $1,695

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per 

Emerald Cut Aquamarine and Moonstone Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a luminous aquamarine center flanked by glowing moonstones in a sleek white gold setting.
Minimalist Triangle Cut Alexandrite Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring a vibrant triangle-cut lab-grown alexandrite in a sleek rose gold band design.
Natural Herkimer Diamond Cluster Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring a unique raw Herkimer diamond and moissanite accents in an elegant celestial design.
Padparadscha Sapphire Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold, featuring kite-cut orange sapphire with moissanite accents in a modern, elegant design.

Padparadscha Sapphire Engagement Ring Set14K Solid Rose Gold

from $2,175

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per 

Moss Agate and Lab Emerald Cluster Engagement Ring in 14K White Gold featuring pear-cut moss agate with lab emerald accents by Aquamarise Gold styled on reflective surface.

Moss Agate and Lab Emerald Cluster Engagement Ring14K White Gold

from $1,995

Unit price
per 

Unique engagement rings start from a simple refusal: the ring should not look like the one in every mall showcase. Aquamarise® has built its entire catalog on that refusal — moss agate landscapes, salt-and-pepper diamonds, color-changing alexandrite and fantasy cuts set into nature-inspired, gothic and celestial designs, hand-finished in genuine 925 sterling silver (a 92.5% solid silver alloy), 14K gold vermeil and made-to-order solid gold.

What Actually Makes an Engagement Ring Unique

Three levers, usually pulled together. The stone: minerals with natural, non-repeating patterns mean no two rings can ever match. The cut: kite, hexagon, coffin and fantasy facet plans break from the round-brilliant default that dominates of every engagement rings sold. And the setting: branches, leaves, stars and antique lacework turn the mount itself into the statement rather than a frame that disappears. A ring only needs one of the three to stand out — the designs in this collection usually carry two or three at once, which is why they read as one-of-a-kind from across a room.

Entwined green moss agate ring in sterling silver by Aquamarise

Stones With Patterns That Never Repeat

Some minerals are physically incapable of sameness. Moss agate suspends green dendritic inclusions in translucent chalcedony, so every stone carries its own miniature forest — the reason moss agate engagement rings became the signature of the whole unusual-ring movement. Salt-and-pepper diamonds invert the clarity rules: their black and white inclusions are the point, a starfield sealed in carbon. Rutilated quartz threads golden needles through clear crystal, and opal rearranges its play-of-color with every degree the hand turns.

Then there are stones unique in behavior rather than pattern. Lab-created alexandrite reads teal in daylight and shifts toward purple-red under warm evening light — two rings in one, and the most conversation-starting stone we set; see the full alexandrite engagement rings range. If the goal is a ring nobody else can duplicate, begin with the material itself: choose a stone where nature, not a cutting factory, decides the design.

Unusual Cuts, from Kite to the Fantasy Facet Families

Cut is the fastest route to an unusual silhouette, because shape reads across a room before color does. Kite cut engagement rings angle four sharp sides into a geometric point that elongates the finger; hexagons bring honeycomb symmetry; coffin cuts anchor the gothic end of the spectrum; and fireworks fantasy cuts abandon standard facet charts entirely, carving curved grooves that scatter light in sprays no brilliant cut can produce. These cuts are rare in mass retail for a practical reason — they waste more rough stone and demand more skilled cutting — which is precisely why they look one-of-a-kind on the hand.

A practical note on wear: pointed cuts like the kite deserve settings with protected tips, and geometric step-style cuts show their clarity honestly. Every listing in this collection names its stone, cut and setting approach plainly, so you can judge the trade-offs before you buy rather than after.

Fireworks Cut Morganite & Moonstone Leaf Couples Ring Set by Aquamarise, featuring a sparkling pink morganite and moonstone with delicate leaf-inspired sterling silver bands.

Settings That Do the Talking

An unusual stone deserves a mount designed around it, not a generic four-prong head ordered from a parts catalog. Across this collection you will find branch and vine shanks that grow around the finger, leaf-cradled bezels that frame moss agate the way undergrowth frames a clearing, star-set shoulders and crescent profiles on the celestial designs, and blackened, sculptural silhouettes on the gothic side. Milgrain edges and hand-applied beadwork borrow from antique lacework where a vintage mood is wanted.

Details finish the job. Hidden accent stones under the gallery reward the wearer rather than the audience; asymmetric clusters let a couple design a ring that leans to one side on purpose; and complimentary engraving puts a private line of text inside the band. The result stays unique at every distance — silhouette from across the room, setting work at arm's length, and an inscription only two people know about.

Unique, Alternative or Non-Traditional: Choosing Your Lane

The terms overlap, but they lean differently, and we keep a dedicated page for each. Unique is about one-of-a-kind design — this page. Alternative engagement rings lean into replacing the diamond-solitaire convention altogether, non-traditional engagement rings collect the designs that ignore bridal convention entirely, and nature-inspired engagement rings gather every botanical and woodland design in one place. If one of those phrases sounds more like you, that page is the faster route to the right ring.

From One-of-a-Kind to Made-for-You

If the deciding factor is a stone's color rather than the rarity of its pattern, start at our gemstone engagement rings hub, which routes you to the right stone-specific collection. And when no listed ring is quite it, the custom ring builder turns a stone, a metal and an idea into a finished design. 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

Fairy Engagement Rings: The Complete Guide to Fairycore Styles

Fairy Engagement Rings: The Complete Guide to Fairycore Styles

A complete guide to fairy engagement rings — fairycore, fae, woodland and elvish designs, the dreamiest stones and settings, durability, and how to design your own magical ring.

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Moss Agate Engagement Rings: The Complete Buyer's Guide

Moss Agate Engagement Rings: The Complete Buyer's Guide

A complete guide to moss agate engagement rings: what moss agate is, its meaning, durability, price, the best cuts and settings, and how to choose your one-of-a-kind stone.

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What Is a Salt and Pepper Diamond? The Complete Guide

What Is a Salt and Pepper Diamond? The Complete Guide

A real diamond that celebrates its flaws. What a salt and pepper diamond is, what causes its speckled look, how durable it is, the best cuts, why it costs less,...

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Green Engagement Rings: The Complete Guide to Every Green Gemstone

Green Engagement Rings: The Complete Guide to Every Green Gemstone

A complete guide to green engagement rings: every green gemstone explained with real Mohs hardness, honest per-carat pricing, and daily-wear durability, plus a comparison table and how to choose the...

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Unique Engagement Rings FAQs

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