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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 Ruby Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold, featuring a bold hexagon-cut ruby with diamond accents on elegantly curved rose gold bands.
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Hexagon Cut Lab-Grown Ruby Engagement Ring Set14K Rose Gold Vermeil

Regular price $170 $136 (-20%)

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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.
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Entwined Fire Opal Engagement Ring14K Yellow Gold Vermeil

Regular price $175 $140 (-20%)

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Stella Natural Red Garnet Ring in 14K Rose Gold Vermeil by Aquamarise, featuring an oval red garnet in a north-star halo of marquise and round accents.
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Stella Natural Red Garnet Ring14K Rose Gold Vermeil

Regular price $170 $136 (-20%)

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Vintage Natural Peridot Ring in Sterling Silver featuring an emerald-cut peridot with intricate diamond accents and detailed sterling silver band by Aquamarise, from birthstone and engagement collections.

Vintage Natural Peridot RingSterling Silver

Regular price $160 $135 (-16%)

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Teardrop Morganite Engagement Ring in 14K Rose Gold Vermeil by Aquamarise, featuring a pear-shaped blush pink morganite center surrounded by sparkling accent stones on a delicate rose gold band.
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Teardrop Morganite Engagement Ring14K Rose Gold Vermeil

Regular price $175 $140 (-20%)

Unit price
per 

Teardrop Alexandrite Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a pear-shaped color-changing alexandrite with a pavé diamond halo for unique and elegant engagement jewelry.
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Teardrop Alexandrite Engagement RingSterling Silver

Regular price $170 $136 (-20%)

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Sophia Twisted Vine Aquamarine Engagement Ring in 14K White Gold by Aquamarise Gold featuring a princess-cut aquamarine with twisted vine details and sparkling pavé accents on the band.
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Sophia Twisted Vine Aquamarine RingSterling Silver

Regular price $160 $128 (-20%)

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per 

Ring with a purple gemstone and diamond halo on a light purple background
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Diana Natural Amethyst RingSterling Silver

Regular price $160 $128 (-20%)

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Starburst Morganite Engagement Ring in Sterling Silver by Aquamarise featuring an oval peachy-pink morganite with a starburst halo of white stones on a delicate silver band.
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Starburst Morganite Engagement RingSterling Silver

Regular price $160 $128 (-20%)

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Oval Cut Paraiba Tourmaline Engagement Ring in Sterling Silver by Aquamarise showcasing a vivid neon turquoise oval gemstone with delicate side accents on a polished silver band.

Oval Cut Paraiba Tourmaline Engagement RingSterling Silver

Regular price $160 $135 (-16%)

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Iris Oval Moonstone Engagement Ring in 14K Solid Yellow Gold by Aquamarise Gold featuring a luminous oval moonstone center with sparkling diamond accents on a delicate yellow gold band.
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Iris Rainbow Moonstone Ring14K Yellow Gold Vermeil

Regular price $170 $136 (-20%)

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Marquise Cut Morganite Engagement Ring in 14K Solid Rose Gold with side round diamonds by Aquamarise Gold, featuring a delicate rose gold band and elegant gemstone setting.
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Marquise Cut Morganite Engagement Ring14K Rose Gold Vermeil

Regular price $175 $140 (-20%)

Unit price
per 

Evelyn Natural Amethyst Bridal Ring Set in Sterling Silver featuring oval amethyst center with marquise and round cubic accents on a polished sterling silver band by Aquamarise.
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Evelyn Natural Amethyst Bridal Ring SetSterling Silver

Regular price $175 $140 (-20%)

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Eva Lotus Blush Pink Morganite Engagement Ring in 14K White Gold by Aquamarise Gold, featuring an oval blush pink morganite with marquise white gold accent stones in a nature-inspired design.
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Eva Oval Flower Morganite RingSterling Silver

Regular price $160 $128 (-20%)

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Oval Cut Emerald Leaf Ring Set in 14K Rose Gold Vermeil by Aquamarise featuring an oval emerald center surrounded by sparkling stones and delicate vine leaf detailing in rose gold vermeil.
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Oval Cut Emerald Leaf Ring Set14K Rose Gold Vermeil

Regular price $185 $148 (-20%)

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per 

Victoria Art Deco Moonstone Engagement Ring in 14K White Gold by Aquamarise Gold, featuring an oval moonstone centerpiece with radiant moissanite accents in a vintage-inspired design.
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Victoria Natural Moonstone RingSterling Silver

Regular price $105 $84 (-20%)

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Eva Gray Moissanite Engagement Ring in 14K White Gold featuring a vintage-inspired smoky gray moissanite center with marquise and pear-shaped accent stones by Aquamarise Gold.
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Eva Simulated Gray Diamond Engagement RingSterling Silver

Regular price $160 $128 (-20%)

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Marquise Cut Aquamarine Ring Set in Sterling Silver by Aquamarise featuring a radiant aquamarine center with sparkling diamond accents in a vintage-inspired, elegant design.
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Marquise Cut Aquamarine Ring SetSterling Silver

Regular price $175 $140 (-20%)

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Radiant Cut Alexandrite Engagement Ring in Black Ruthenium by Aquamarise, featuring a vintage-inspired band with intricate scrollwork and a radiant-cut purple-hued alexandrite centerpiece.

Radiant Cut Alexandrite Engagement RingBlack Ruthenium

Regular price $185 $155 (-16%)

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Ring with a green gemstone and opal accents on a white surface with a blurred background

Oval Moss Agate Ring with OpalSterling Silver

Regular price $160 $135 (-16%)

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per 

Teal Moissanite Marquise Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a striking marquise teal moissanite center stone flanked by sparkling colorless moissanite accents, a unique design from the Solid Gold Moissanite Engagement Rings collection.

Teal Moissanite Marquise Engagement RingSterling Silver

Regular price $230 $195 (-15%)

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Art Deco Natural London Blue Topaz Engagement Ring in Sterling Silver by Aquamarise, featuring an emerald-cut deep blue topaz center stone flanked by tapered baguette clear gemstones on a polished sterling silver band, perfect for Sterling Silver Rings, November Birthstone, Engagement Rings for Women, and Birthstone Jewelry collections.

Art Deco Natural London Blue Topaz Engagement RingSterling Silver

Regular price $160 $135 (-16%)

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Skye Kite® Green Moss Agate Engagement Ring Set in 14K White Gold by Aquamarise Gold featuring a kite-cut moss agate center with diamond accents on a white gold band.

Skye Kite® Green Moss Agate Engagement Ring Set14K White Gold

from $2,195

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Green Moss Agate & Emerald Leaf Engagement Ring Set in 14K Solid Yellow Gold by Aquamarise Gold, featuring a natural moss agate center stone with vibrant emerald and diamond accents in an intricate leaf-inspired design, part of Solid Gold Engagement Rings and May Birthstone Jewelry collections.
Blue Sapphire & Moissanite Leaf Ring Guard in 14K White Gold by Aquamarise Gold featuring vine and leaf motifs with lab-grown blue sapphires and sparkling moissanite accents.
Hexagon Morganite Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold featuring a blush pink hexagon-cut morganite with diamond accents on rose gold bands, a unique engagement ring set.

Hexagon Morganite Ring Set14K Rose Gold Vermeil

Regular price $200 $170 (-15%)

Unit price
per 

Celtic Hexagon Morganite Ring Set in 14K Rose Gold by Aquamarise, a hexagon-cut morganite with a marquise crown band on soft pink fur.

Celtic Hexagon Morganite Ring Set14K Rose Gold Vermeil

Regular price $170 $145 (-15%)

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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.
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Petite Aquamarine & Moonstone RingSterling Silver

Regular price $160 $128 (-20%)

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Princess Cut Rutilated Quartz Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold, featuring a unique rutilated quartz center with sparkling diamond accents in a modern rose gold setting.
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Natural Black Rutilated Quartz Ring Set14K Rose Gold Vermeil

Regular price $200 $160 (-20%)

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Rutilated Quartz & Black Onyx Ring in Sterling Silver by Aquamarise, featuring a pear-shaped rutilated quartz, black onyx, and a small diamond accent on a sleek sterling silver band.
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Rutilated Quartz & Black Onyx RingSterling Silver

Regular price $160 $128 (-20%)

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Natural Australian Opal Engagement Ring in 14K Rose Gold Vermeil by Aquamarise, featuring a vintage-inspired design with a glowing opal center and diamond accents on an ornate rose gold band.
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Natural Australian Opal Engagement Ring14K Rose Gold Vermeil

Regular price $175 $140 (-20%)

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Oval Solitaire Morganite Engagement Ring in 14K Rose Gold Vermeil by Aquamarise, featuring a 2-carat peachy-pink simulated morganite set in a minimalist polished rose gold band.
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Oval Solitaire Morganite Engagement Ring14K Rose Gold Vermeil

Regular price $175 $140 (-20%)

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Amy Teardrop Alexandrite Engagement Ring Set in 14K White Gold by Aquamarise Gold, featuring a pear-shaped alexandrite surrounded by sparkling diamonds in a unique fantasy-inspired design.
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Amy Teardrop Lab-Grown Alexandrite Engagement Ring SetSterling Silver

Regular price $195 $156 (-20%)

Unit price
per 

Eva Oval Cut Lab Grown Ruby Engagement Ring in 14K Rose Gold Vermeil by Aquamarise featuring a vintage lotus flower design with marquise-cut accent stones in a fantasy-inspired style.
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Eva Oval Cut Lab Grown Ruby Engagement Ring14K Rose Gold Vermeil

Regular price $175 $140 (-20%)

Unit price
per 

Rose gold ring with a pink gemstone and diamond accents on a light purple background
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Lily Oval Morganite Flower Ring14K Rose Gold Vermeil

Regular price $175 $140 (-20%)

Unit price
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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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