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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.

Art Deco Emerald Cut Aquamarine Engagement Ring in Sterling Silver featuring a radiant emerald-cut aquamarine center stone flanked by tapered clear gemstones on a polished sterling silver band by Aquamarise, perfect for Sterling Silver Rings, March Birthstone Jewelry, Engagement Rings for Women, and Meaningful Jewelry Gifts collections.

Art Deco Emerald Cut Aquamarine Engagement RingSterling Silver

Regular price $160 $135 (-16%)

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Elegant ring with a colorful gemstone and green gemstones on a light purple background

Mystic Topaz & Emerald Leaf Engagement Ring Set14K White Gold

from $2,545

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Alice Rainbow Moonstone Couples Ring Set by Aquamarise featuring a pear-shaped moonstone surrounded by delicate diamond accents in a unique, ethereal design for matching couples rings.

Alice Moonstone Engagement Ring Set14K White Gold

from $2,410

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Emerie Moss Agate & Opalescent Sapphire Engagement Ring Set in 14K Solid Rose Gold featuring a marquise moss agate center flanked by opalescent sapphires and sparkling diamonds, crafted by Aquamarise Gold from nature-inspired and birthstone collections.
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Emerie Marquise Cut Moss Agate & Opalescent Sapphire Ring Set14K Rose Gold Vermeil

Regular price $185 $148 (-20%)

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Skye Kite® Morganite Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold, featuring a kite-cut morganite with marquise and round diamond accents on a rose gold band.

Skye Kite® Morganite Ring Set14K Solid Rose Gold

from $2,395

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Lab-Grown Diamond & Sapphire Leaf Engagement Ring Set in 14K Solid Yellow Gold (IGI Certified), featuring blue sapphires and diamonds in a nature-inspired design by Aquamarise Gold.
Toi Et Moi Emerald & Moissanite Two Stone Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a lab-grown emerald-cut emerald and pear-shaped D/VVS1 moissanite in a unique design.
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Toi Et Moi Emerald & Pear Simulated Diamond RingSterling Silver

Regular price $155 $124 (-20%)

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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.
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Natural Herkimer Diamond Cluster Ring14K Rose Gold Vermeil

Regular price $170 $136 (-20%)

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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.
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Ruby and Australian Opal Ring14K Rose Gold Vermeil

Regular price $175 $140 (-20%)

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Minimalist Kite Cut Green Moss Agate Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring a delicate kite-shaped moss agate set on a sleek rose gold band.
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Minimalist Kite Cut Green Moss Agate Ring14K Rose Gold Vermeil

Regular price $175 $140 (-20%)

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East-West Hexagon London Blue Topaz Ring in Rose Gold Vermeil
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East-West Hexagon London Blue Topaz RingRose Gold Vermeil

Regular price $175 $140 (-20%)

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Pear cut black onyx engagement ring set in sterling silver with pave band
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Amy Pear Black Onyx Ring SetSterling Silver

Regular price $135 $108 (-20%)

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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.
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Stella Oval Cut Aquamarine Vintage Engagement RingSterling Silver

Regular price $160 $128 (-20%)

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Alexandrite Halo Ring in Sterling Silver
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Alexandrite Halo RingSterling Silver

Regular price $170 $136 (-20%)

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Teardrop Morganite Ring in Sterling Silver featuring a pear-shaped pink morganite center stone surrounded by a halo and diamond-accented band by Aquamarise.
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Teardrop Morganite RingSterling Silver

Regular price $160 $128 (-20%)

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Iris Oval London Blue Topaz Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold featuring deep blue topaz center with a sparkling halo and pavé diamonds on a solid rose gold band.
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Iris Natural London Blue Topaz Ring14K Rose Gold Vermeil

Regular price $170 $136 (-20%)

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per 

Iris Oval Aquamarine Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a luminous oval aquamarine center with a sparkling diamond halo and pavé band setting.

Iris Halo Oval Aquamarine RingSterling Silver

Regular price $160 $135 (-16%)

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per 

Art Deco Aquamarine Engagement Ring in Sterling Silver by Aquamarise
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Art Deco Aquamarine Engagement RingSterling Silver

Regular price $160 $128 (-20%)

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per 

Rose gold ring with a blue gemstone on a white surface
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Twisted Vine Alexandrite Ring14K Rose Gold Vermeil

Regular price $175 $140 (-20%)

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per 

Three Stone Halo Vintage Aquamarine Engagement Ring in Sterling Silver by Aquamarise, featuring oval aquamarine stones surrounded by pavé halos on a twisted infinity silver band.
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Three Stone Halo Vintage Aquamarine Engagement RingSterling Silver

Regular price $140 $112 (-20%)

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Ella Blue Fire Opal Ring in Sterling Silver by Aquamarise, featuring a round blue fire opal surrounded by sparkling stones on a polished sterling silver band with delicate milgrain detailing.
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Ella Blue Fire Opal RingSterling Silver

Regular price $115 $92 (-20%)

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2CT Solitaire Tanzanite Ring- Sterling Silver by Aquamarise featuring a vibrant oval tanzanite set in a polished 925 sterling silver band from Sterling Silver Rings and December Birthstone collections
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2CT Solitaire Tanzanite RingSterling Silver

Regular price $125 $100 (-20%)

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Everly Oval Cut Ruby Engagement Ring in 14K White Gold featuring a vibrant oval ruby center flanked by two sparkling round diamonds on a polished white gold band by Aquamarise Gold.
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Everly Oval Cut Ruby RingSterling Silver

Regular price $160 $128 (-20%)

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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.
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Valentina Vintage Alexandrite RingSterling Silver

Regular price $170 $136 (-20%)

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per 

Oval Cut Lab-Grown Alexandrite Engagement Ring in Sterling Silver by Aquamarise featuring a color-changing oval alexandrite with side pear-shaped white accent stones.
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Oval Cut Lab-Grown Alexandrite Engagement RingSterling Silver

Regular price $185 $148 (-20%)

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Ava Lab-Grown Pink Sapphire Engagement Ring in Sterling Silver by Aquamarise featuring an oval pink sapphire center with pavé white accents on a rhodium-finished sterling silver band.
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Ava Lab-Grown Pink Sapphire Engagement RingSterling Silver

Regular price $160 $128 (-20%)

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per 

Aurora Natural London Blue Topaz Ring- Sterling Silver by Aquamarise, featuring a natural oval London blue topaz surrounded by marquise and round white stones in sterling silver.
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Aurora Natural London Blue Topaz RingSterling Silver

Regular price $160 $128 (-20%)

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per 

Art Deco Alexandrite Ring in 14K Rose Gold Vermeil by Aquamarise featuring a teardrop color-changing gemstone surrounded by small sparkling stones on a detailed rose gold vermeil band.
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Art Deco Alexandrite Ring14K Rose Gold Vermeil

Regular price $175 $140 (-20%)

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Princess Cut Blush Pink Morganite Engagement Ring in 14K Rose Gold Vermeil featuring a square-cut morganite center and pavé diamonds on a rose gold vermeil band by Aquamarise.
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Princess Cut Blush Pink Morganite Engagement Ring14K Rose Gold Vermeil

Regular price $175 $140 (-20%)

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per 

Iris Oval Emerald Engagement Ring in 14K White Gold by Aquamarise Gold featuring a vivid green oval emerald surrounded by sparkling diamond accents on a delicate white gold band.
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Iris Halo Oval Emerald RingSterling Silver

Regular price $160 $128 (-20%)

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Belle Cushion Cut Natural Morganite Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring a cushion-cut morganite surrounded by pavé diamonds on a rose gold band.
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Belle Cushion Cut Morganite Ring14K Rose Gold Vermeil

Regular price $175 $140 (-20%)

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Kite Cut Alexandrite Bezel Engagement Ring Set in Sterling Silver by Aquamarise featuring a vibrant kite-shaped Alexandrite with shifting hues and a diamond-accented sterling silver band.
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Kite Cut Alexandrite Bezel Engagement Ring SetSterling Silver

Regular price $195 $156 (-20%)

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Jasmine Natural Morganite Ring Set in 14K Solid Rose Gold featuring a round peachy-pink morganite center with scalloped pavé moissanite halo on polished rose gold bands by Aquamarise Gold.
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Jasmine Morganite Engagement Ring Set14K Rose Gold Vermeil

Regular price $195 $156 (-20%)

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Adeline Marquise Cut Flower Aquamarine Engagement Ring in 14K White Gold featuring a marquise aquamarine center surrounded by delicate diamond accents by Aquamarise Gold.
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Adeline Marquise Cut Flower Aquamarine RingSterling Silver

Regular price $160 $128 (-20%)

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Lunette Vivid Pink Sapphire Ring Set in 14K White Gold by Aquamarise Gold featuring a teardrop pink sapphire surrounded by sparkling diamonds in a unique, fantasy-inspired design.
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Lunette Pink Sapphire Ring SetSterling Silver

Regular price $175 $140 (-20%)

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Belle Cushion Cut Natural Morganite Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a pink cushion-cut morganite surrounded by sparkling diamonds on a white gold band.
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Belle Cushion Cut Blush Pink Morganite RingSterling Silver

Regular price $160 $128 (-20%)

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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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