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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.

Astra Oval Cut Alexandrite Engagement Ring in 14K Rose Gold Vermeil by Aquamarise, featuring an oval alexandrite center with diamond halo and pavé diamond accents on the rose gold band.

Astra Oval Cut Alexandrite Engagement Ring

14K Rose Gold Vermeil

Regular price $170 $69.99 (-59%)

Unit price
per 

Lunette Natural London Blue Topaz Engagement Ring Set in 14K Solid Rose Gold featuring a teardrop London blue topaz with diamond accents in a rose gold setting by Aquamarise Gold.

Lunette Natural London Blue Topaz Engagement Ring Set

14K Solid Rose Gold

from $2,195

Unit price
per 

Kite Swiss Blue Topaz Ring Set- Sterling Silver by Aquamarise featuring a kite-cut Swiss blue topaz with sparkling diamond accents on a rhodium-finished sterling silver band.

Kite Swiss Blue Topaz Ring Set- Sterling Silver

Regular price $115 $69.99 (-39%)

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per 

Vintage Hexagon Halo round Garnet Ring in 14K Yellow Gold Vermeil by Aquamarise, featuring a 0.85 carat round garnet with hexagon baguette and round simulated diamond halo.

Vintage Hexagon Halo Round Garnet Ring

14K Yellow Gold Vermeil

Regular price $175 $79.99 (-54%)

Unit price
per 

Rose gold ring with a purple gemstone and diamond accents on a light purple background

Hexagon Alexandrite Halo Ring

14K Rose Gold Vermeil

Regular price $155 $69.99 (-55%)

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per 

Hidden Halo Cushion Cut Ruby Ring in 14K Rose Gold Vermeil by Aquamarise, featuring a vibrant cushion cut ruby center with a delicate hidden halo and diamond accents on rose gold vermeil band.

Hidden Halo Cushion Cut Ruby Ring

14K Rose Gold Vermeil

Regular price $175 $79.99 (-54%)

Unit price
per 

Bella Oval Cut Ruby Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold, featuring a vivid oval ruby and sparkling diamond accents for a unique, romantic engagement ring set.

Bella Oval Cut Ruby Ring Set

14K Rose Gold Vermeil

Regular price $195 $79.99 (-59%)

Unit price
per 

Ella Natural Peridot Ring in Sterling Silver by Aquamarise featuring a vibrant green peridot center surrounded by sparkling accents on a finely detailed polished band.

Ella Natural Peridot Ring

Sterling Silver

Regular price $115 $69.99 (-39%)

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per 

Eva Natural Light Green Amethyst Ring in Sterling Silver by Aquamarise featuring an emerald-cut green amethyst center with marquise accent stones on a polished sterling silver band.

Eva Natural Light Green Amethyst Ring

Sterling Silver

Regular price $160 $79.99 (-50%)

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per 

Alexandrite Ring- 14K Rose Gold Vermeil by Aquamarise, featuring a color-shifting cushion-cut alexandrite surrounded by sparkling white stones on a detailed rose gold vermeil band.

Cushion Alexandrite Engagement Ring

14K Rose Gold Vermeil

Regular price $175 $99.99 (-43%)

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per 

Vintage Paraiba Tourmaline Ring in 14K White Gold by Aquamarise Gold featuring a vibrant neon-blue emerald-cut Paraiba tourmaline with intricate vintage-inspired diamond accents and detailed band design.

Vintage Emerald Cut Paraiba Tourmaline Ring

Sterling Silver

Regular price $160 $79.99 (-50%)

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per 

Aurora Oval Halo Aquamarine Ring in Sterling Silver with a 1.4 carat oval aquamarine center, surrounded by a marquise-cut diamond sunburst halo by Aquamarise, elegant fantasy-inspired design.

Aurora Oval Halo Aquamarine Ring

Sterling Silver

Regular price $160 $69.99 (-56%)

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per 

Aurora White Sapphire Ring- Sterling Silver featuring an oval white sapphire center surrounded by marquise and round simulated diamonds on a polished sterling silver band by Aquamarise.

Aurora White Sapphire Ring- Sterling Silver

Regular price $115 $69.99 (-39%)

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per 

Three Stone Garnet Engagement Ring in 14K Rose Gold Vermeil by Aquamarise with three oval garnets and sparkling diamond accents in an elegant rose gold setting.

Three Stone Garnet Engagement Ring

14K Rose Gold Vermeil

Regular price $170 $69.99 (-59%)

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per 

Flair Teardrop Natural Red Garnet Ring in 14K Rose Gold Vermeil by Aquamarise featuring a deep red pear-shaped garnet with sparkling diamond accents on a twisted rose gold vermeil band.

Flair Teardrop Natural Red Garnet Ring

14K Rose Gold Vermeil

Regular price $175 $79.99 (-54%)

Unit price
per 

Joelle Vintage Natural Red Garnet Ring in Sterling Silver by Aquamarise featuring a radiant red garnet center surrounded by sparkling baguette and round white stones in an Art Deco design.

Joelle Vintage Natural Red Garnet Ring

Sterling Silver

Regular price $160 $69.99 (-56%)

Unit price
per 

Close-up of the natural paua shell cabochon in its polished sterling silver bezel setting
New

Abalone Paua Shell Ring

Sterling Silver

Regular price $155 $125 (-19%)

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per 

Marquise moss agate engagement ring in sterling silver with crescent moons and leaf shoulders
New

Viridian Marquise Moss Agate Engagement Ring

Sterling Silver

Regular price $175 $150 (-14%)

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per 

Marquise black onyx engagement ring in 14K yellow gold vermeil with crescent moons and leaf shoulders
New

Viridian Marquise Black Onyx Engagement Ring

14K Yellow Gold Vermeil

Regular price $175 $150 (-14%)

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per 

Lab-grown ruby bridal ring set in black ruthenium, all three rings stacked together
New

Nightbriar Lab-Grown Ruby Bridal Ring Set

Black Ruthenium

Regular price $210 $175 (-17%)

Unit price
per 

The three rings nested together with the crown band above and the star band below
New

Nightbriar Gray Moissanite & Black Onyx Bridal Ring Set

Sterling Silver

Regular price $235 $195 (-17%)

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per 

Lilith Coffin Cut Black Onyx Ring Set in 14K White Gold
New

Lilith Coffin Cut Black Onyx Ring Set

14K White Gold

from $2,145

Unit price
per 

Marquise Victorian Gothic Filigree Engagement Ring in Solid 14K Yellow Gold
New

Marquise Victorian Gothic Filigree Engagement Ring

Solid 14K Yellow Gold

from $2,375

Unit price
per 

Marquise-cut leaf and branch engagement ring in solid 14K yellow gold by Aquamarise Gold with nature-inspired vine band
New

Marquise Lab-Grown Diamond Leaf Engagement Ring

Solid 14K Yellow Gold · IGI Certified

from $2,195

Unit price
per 

Lab-Grown Diamond & Emerald Leaf Engagement Ring Set in Solid 14K Yellow Gold (IGI Certified) by Aquamarise Gold, featuring marquise emeralds and sparkling diamond accents with nature-inspired design.
New

Lab-Grown Diamond & Emerald Leaf Engagement Ring Set

Solid 14K Yellow Gold · IGI Certified

from $3,237.95

Unit price
per 

Wisteria Lab-Grown Diamond Engagement Ring Set in Solid 14K Rose Gold (IGI Certified) by Aquamarise Gold, featuring a pear-shaped diamond with leaf-inspired rose gold band.
New

Wisteria Leaf Moissanite Engagement Ring Set

Solid 14K Rose Gold

from $2,695

Unit price
per 

Asscher Cut Art Deco Bezel Set Blue Sapphire Ring in Sterling Silver by Aquamarise, featuring a deep blue sapphire surrounded by a diamond halo on a sleek silver band.
New

Asscher Cut Art Deco Bezel Set Blue Sapphire Ring

Sterling Silver

Regular price $160 $128 (-20%)

Unit price
per 

Ruby Engagement Ring Cushion Cut Ruby Halo Ring on light purple background

Elongated Cushion Ruby Ring

14K Rose Gold Vermeil

Regular price $175 $79.99 (-54%)

Unit price
per 

Blue Sapphire Engagement Ring Cushion Cut Ceylon Sapphire on hand over light purple background

Elongated Cushion Blue Sapphire Ring

14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

Unit price
per 

Silver ring with purple gemstones on a light purple background

Oval Moissanite & Amethyst Leaf Engagement Ring

14K White Gold

from $2,145

Unit price
per 

Diamond ring with a central black diamond and pear-shaped side stones on a reflective surface with a blurred purple background.

Kite Herkimer Diamond Engagement Ring Set

14K White Gold

from $2,285

Unit price
per 

Gold ring with a marquise-shaped diamond on a light purple background

Sun Queen Champagne Moissanite Lotus Engagement Ring

Solid 14K Yellow Gold

from $1,745

Unit price
per 

Elegant silver ring with a blue gemstone on a reflective surface

Midnight Fairy Blue Moissanite Ring Set

Sterling Silver

Regular price $230 $195 (-15%)

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 Ring

14K White Gold

from $1,685

Unit price
per 

Lilith Coffin Cut Natural Herkimer Diamond Ring Set in Solid 14K Rose Gold by Aquamarise Gold, featuring a unique coffin-cut natural Herkimer diamond accented by delicate sparkling stones, part of Solid Gold Engagement Rings and Alternative Engagement Rings collections.

Lilith Coffin Cut Natural Herkimer Diamond Ring Set

Solid 14K Rose Gold

from $2,145

Unit price
per 

Elowen Kite Cut Aquamarine Engagement Ring Set in Sterling Silver

Elowen Natural Kite Cut Aquamarine Engagement Ring Set

14K White Gold

from $2,495

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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