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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.

Hexagon Cut Alexandrite Engagement Ring in 14K White Gold by Aquamarise Gold featuring a vibrant hexagonal alexandrite flanked by elegant white diamond accents on a polished band.

Hexagon Cut Lab-Grown Alexandrite Ring

Sterling Silver

Regular price $170 $99.99 (-41%)

Unit price
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Flair Teardrop Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold featuring a pear-shaped diamond with intricate pavé diamond accents on a twisted white gold band.

Flair Teardrop Simulated Diamond Engagement Ring

Sterling Silver

Regular price $160 $69.99 (-56%)

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Marquise Cut Lab-Grown Diamond Engagement Ring Set in 14K White Gold (IGI Certified) by Aquamarise Gold, featuring a marquise-cut center diamond with a chevron diamond-accented band, part of Solid Gold Engagement Rings and April Birthstone Jewelry collections.

Marquise Cut Simulated Diamond Bridal Ring Set

Sterling Silver

Regular price $175 $150 (-14%)

Unit price
per 

Two-piece leaf ring set with a shield-cut blue sapphire center stone and accent stones, crafted in 14K white gold, displayed on a rock.

Fantasy Shield Cut Sapphire Leaf Ring Set

Sterling Silver

Regular price $175 $150 (-14%)

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per 

Blue Sapphire & Fantasy Shield Cut Diamond Couples Ring Set by Aquamarise featuring a yellow gold band with marquise sapphires and a shield-cut cz diamond in an intricate fantasy-inspired design.

Leaf Shield Cut Simulated Diamond Blue Sapphire Engagement Ring Set

14K Yellow Gold Vermeil

Regular price $185 $155 (-16%)

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per 

Art Deco London Blue Topaz Engagement Ring in 14K Solid Yellow Gold by Aquamarise Gold, featuring an emerald-cut blue topaz with diamond accents in a vintage-inspired design.

Art Deco London Blue Topaz Ring

14K Yellow Gold Vermeil

Regular price $175 $79.99 (-54%)

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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 Ring

Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Natural Sunstone Leaf Ring in 14K Rose Gold Vermeil by Aquamarise featuring a glowing orange sunstone and detailed leaf motif on a vintage-inspired rose gold vermeil band.

Natural Sunstone Leaf Ring

14K Rose Gold Vermeil

Regular price $170 $79.99 (-53%)

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per 

Vintage Aquamarine Engagement Ring in 14K White Gold featuring an oval aquamarine center stone with intricate vintage-style diamond accents by Aquamarise Gold.

Vintage Oval Aquamarine Ring

Sterling Silver

Regular price $160 $69.99 (-56%)

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per 

Aster Round Cut Citrine Ring in 14K Rose Gold Vermeil by Aquamarise, featuring a round citrine center with a snowflake halo of simulated diamonds on a pavé rose gold vermeil band.

Aster Round Cut Citrine Ring

14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

Unit price
per 

Adeline Marquise Cut Flower Blue Sapphire Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring marquise blue sapphire with floral diamond accents on a rose gold band.

Adeline Marquise Cut Blue Sapphire Flower Ring

14K Rose Gold Vermeil

Regular price $170 $79.99 (-53%)

Unit price
per 

Victoria Natural Ruby Engagement Ring in 14K Solid Yellow Gold by Aquamarise Gold featuring a vivid oval ruby center with radiant moissanite accents on a classic yellow gold band.

Victoria Vintage Ruby Ring

14K Yellow Gold Vermeil

Regular price $175 $99.99 (-43%)

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Black Onyx Engagement Ring | Gothic Victorian Solitaire Silver

Victorian Gothic Scrollwork Black Onyx Ring

Black Ruthenium

Regular price $160 $135 (-16%)

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per 

Natural Red Garnet Marquise Cut Engagement Ring Set in 14K White Gold featuring a vivid marquise-cut red garnet centerpiece with a delicate white gold band adorned with sparkling diamonds, crafted by Aquamarise Gold.

Natural Marquise Cut Red Garnet Ring Set

Sterling Silver

Regular price $175 $150 (-14%)

Unit price
per 

Rutilated Quartz & Black Onyx Engagement Ring Set in 14K White Gold by Aquamarise Gold featuring a kite-cut rutilated quartz center with black onyx accents on polished white gold bands.

Kite Cut Rutilated Quartz & Black Onyx Ring Set

Sterling Silver

Regular price $175 $140 (-20%)

Unit price
per 

Esme Opalescent Blue Sapphire Mermaid Ring in 925 Sterling Silver featuring a marquise blue sapphire with opalescent side stones and diamond accents on an intricately detailed silver band.

Esme Opalescent Blue Sapphire Mermaid Ring

925 Sterling Silver

Regular price $160 $69.99 (-56%)

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per 

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 Ring

Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Skye Kite® Blue Fire Opal & Black Onyx Ring Set- 14K Yellow Gold Vermeil by Aquamarise with vibrant kite-shaped blue fire opal and black onyx stones in a luxurious yellow gold vermeil setting.

Skye Kite® Blue Fire Opal & Black Onyx Ring Set

14K Yellow Gold Vermeil

Regular price $195 $165 (-15%)

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per 

Stella Black Onyx Ring in 14K Rose Gold Vermeil by Aquamarise, featuring an oval black onyx centered in a north-star halo of marquise and round accents.

Stella Black Onyx Ring

14K Rose Gold Vermeil

Regular price $170 $69.99 (-59%)

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Sonnet Hexagon Cut Alexandrite Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a striking hexagon-cut alexandrite with sparkling diamond accents in a modern elegant design.

Sonnet Hexagon Alexandrite Engagement Ring

Sterling Silver

Regular price $170 $145 (-15%)

Unit price
per 

Iris Oval Moonstone Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a luminous oval moonstone with a sparkling halo and detailed pavé band in solid white gold.

Iris Natural Oval Cut Moonstone Engagement Ring

Sterling Silver

Regular price $160 $79.99 (-50%)

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per 

Ring with a colorful gemstone and diamond-studded halo on a light purple background

Iris Mystic Topaz Ring

Sterling Silver

Regular price $160 $135 (-16%)

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per 

Ava Emerald Cut Mint Green Sapphire Ring in Sterling Silver by Aquamarise featuring a radiant emerald-cut teal sapphire with diamond accents on a polished silver band.

Ava Emerald Cut Mint Green Sapphire Engagement Ring

Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Everly Oval Cut Aquamarine Engagement Ring in 14K White Gold by Aquamarise Gold featuring a sparkling oval aquamarine with two round diamond accents on a polished white gold band.

Everly Oval Cut Aquamarine Ring

Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Sophia Padparadscha Sapphire Engagement Ring in 14K White Gold by Aquamarise Gold featuring a round padparadscha orange sapphire with twisted pavé diamond accents on a white gold band.

Sophia Padparadscha Sapphire Ring

Sterling Silver

Regular price $160 $79.99 (-50%)

Unit price
per 

Diamond ring with a marquise-shaped center stone on a light purple background

Marquise White Sapphire Halo Ring

Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Alice Aquamarine Ring- Sterling Silver featuring a teardrop aquamarine center with sparkling simulated diamond accents in an elegant sterling silver design by Aquamarise.

Alice Aquamarine Ring- Sterling Silver

Regular price $115 $69.99 (-39%)

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per 

Princess Cut Alexandrite Engagement Ring in Sterling Silver by Aquamarise featuring a 3CT color-shifting gemstone with pavé diamond accents on a polished band, part of sterling silver and birthstone collections.

Princess Cut Alexandrite Engagement Ring

Sterling Silver

Regular price $170 $99.99 (-41%)

Unit price
per 

Natural Citrine Engagement Ring in 14K White Gold by Aquamarise Gold, featuring an oval golden citrine center with vintage-inspired detailing and moissanite accents on a delicate white gold band.

Vintage Citrine Ring

Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Fireworks Cut Pink Sapphire Leaf Engagement Ring in 14K White Gold by Aquamarise Gold, featuring an oval lab-grown pink sapphire with intricate leaf-inspired white gold detailing and sparkling diamond accents, part of Solid Gold Engagement Rings and Nature-Inspired Engagement Rings collections.

Fireworks Cut Lab-Grown Pink Sapphire Leaf Engagement Ring Set

Sterling Silver

Regular price $175 $150 (-14%)

Unit price
per 

A two-piece ring set with a shield-cut aquamarine center stone and rose quartz accents on a leaf motif band, crafted in 14K white gold.

Fantasy Shield Cut Aquamarine & Rose Quartz Ring Set

Sterling Silver

Regular price $175 $150 (-14%)

Unit price
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.

Celtic Hexagon Cut Green Moss Agate Ring Set

Sterling Silver

Regular price $175 $79.99 (-54%)

Unit price
per 

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.

Hexagon Cut Rutilated Quartz & Black Onyx Ring

Sterling Silver

Regular price $160 $69.99 (-56%)

Unit price
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.

Petite Aquamarine & Moonstone Ring

Sterling Silver

Regular price $160 $69.99 (-56%)

Unit price
per 

Hexagon Tanzanite Leaf Ring Set in Sterling Silver featuring a hexagon-cut tanzanite with leaf-inspired bands and diamond accents by Aquamarise, a nature-inspired engagement ring design.

Hexagon Tanzanite Leaf Ring Set

Sterling Silver

Regular price $175 $150 (-14%)

Unit price
per 

Galaxy Raw Salt & Pepper (Herkimer) Diamond Ring Set- 14K Rose Gold Vermeil by Aquamarise, featuring a pear-shaped salt and pepper diamond with white diamond accents on rose gold bands.

Galaxy Raw Salt & Pepper (Herkimer) Diamond Ring Set

14K Rose Gold Vermeil

Regular price $200 $99.99 (-50%)

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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