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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.

Belle Cushion Cut Natural Amethyst Ring in Sterling Silver by Aquamarise featuring a vibrant cushion-cut amethyst surrounded by sparkling simulated diamonds in a delicate sterling silver setting.
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Belle Cushion Cut Natural Amethyst RingSterling Silver

Regular price $160 $128 (-20%)

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Olivia Aquamarine Ring- 14K Rose Gold Vermeil featuring an oval aquamarine center flanked by pear-shaped simulated diamonds in a vintage-inspired design by Aquamarise.
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Olivia Aquamarine Ring14K Rose Gold Vermeil

Regular price $175 $140 (-20%)

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Lunette Teardrop Alexandrite Ring Set in 14K Rose Gold Vermeil by Aquamarise featuring a pear-shaped alexandrite center and diamond accents from Rose Gold Vermeil Rings and June Birthstone Jewelry collections.
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Lunette Teardrop Alexandrite Ring Set14K Rose Gold Vermeil

Regular price $195 $156 (-20%)

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Sophia Twisted Vine Morganite Engagement Ring in 14K White Gold by Aquamarise Gold featuring a cushion-cut morganite center with diamond-accented twisted band design.
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Sophia Cushion Cut Morganite RingSterling Silver

Regular price $160 $128 (-20%)

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Lab-grown alexandrite bridal ring set in black ruthenium, all three rings stacked

Nightbriar Lab-Grown Alexandrite Bridal Ring SetBlack Ruthenium

Regular price $245 $205 (-16%)

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Arwen Black Onyx & Pearl Couples Ring Set by Aquamarise, featuring a marquise black onyx center with pearl clusters and delicate silver detailing on a textured sterling silver band.

Arwen Black Onyx & Pearl RingSterling Silver

Regular price $160 $135 (-16%)

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Fire Queen Marquise Ruby & Black Onyx Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a marquise ruby center with black onyx accents on an intricate white gold band.
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Fire Queen Marquise Ruby & Black Onyx RingSterling Silver

Regular price $160 $128 (-20%)

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per 

Silver ring with a blue gemstone on a white background

Oval Cut Ice Blue Moissanite RingSterling Silver

Regular price $220 $185 (-16%)

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per 

Diamond ring with a purple gemstone on a white surface with a blurred purple background

Oval Cut Gray Moissanite RingSterling Silver

Regular price $205 $175 (-15%)

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per 

Fairy Queen Moss Agate Engagement Ring, Marquise Cut Moss Agate Ring, Fairy Core Twisted Vine Leaf Ring, Emerald Accent Dainty Band

Fairy Queen Moss Agate & Emerald Lotus Ring14K Yellow Gold Vermeil

Regular price $175 $150 (-14%)

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per 

Silver ring with a green gemstone and smaller blue stones on a white background
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Arwen Moss Agate & Moonstone RingSterling Silver

Regular price $160 $128 (-20%)

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per 

Lavender Moissanite Fairy Leaf Ring in 14K Rose Gold Vermeil

Lavender Moissanite Fairy Leaf Ring14K Rose Gold Vermeil

Regular price $230 $195 (-15%)

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Pink Moissanite Crescent Moon Engagement Ring Set in Sterling Silver featuring a vivid marquise-cut pink moissanite center stone surrounded by crescent moon and diamond accents on polished sterling silver bands by Aquamarise Gold, part of Sterling Silver Rings and Fantasy-Inspired Engagement Rings collections.
Made to Order

Pink Moissanite Crescent Moon Engagement Ring SetSterling Silver

Regular price $225 $190 (-16%)

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per 

Violet Hexagon Lab Sapphire Ring in Sterling Silver by Aquamarise, showcasing a vibrant hexagon-cut violet lab sapphire center stone set in a slim sterling silver band accented with delicate simulated diamonds, part of Sterling Silver Rings and September Birthstone Jewelry collections.
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Violet Hexagon Lab Sapphire Engagement RingSterling Silver

Regular price $195 $156 (-20%)

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Art Deco Emerald Cut White Sapphire Engagement Ring in Sterling Silver by Aquamarise featuring a radiant emerald-cut white sapphire center stone with tapered baguette accents on a polished sterling silver band, part of Sterling Silver Rings, September Birthstone Jewelry, Engagement Rings for Women, and New Arrivals collections.

Art Deco Emerald Cut White Sapphire Engagement RingSterling Silver

Regular price $160 $135 (-16%)

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Sophia Fireworks Cut Emerald Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold features a vibrant fireworks-cut emerald centerpiece with a twisted band accented by sparkling diamonds, part of Solid Gold Engagement Rings and May Birthstone Jewelry collections.
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Sophia Fireworks Cut Emerald Ring14K Rose Gold Vermeil

Regular price $175 $140 (-20%)

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Skye Kite® Starry Night Engagement Ring Set in 14K White Gold by Aquamarise Gold, featuring a deep blue kite-cut stone with sparkling diamond accents from the Starry Night™ Rings collection.

Skye Kite® Starry Night® Engagement Ring Set14K White Gold

from $2,195

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Green Moss Agate & Emerald Leaf Ring in 14K Yellow Gold Vermeil
Hexagon Moss Agate Leaf Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring a hexagon-cut green moss agate center stone with leaf-shaped moss agate accents and sparkling diamonds on a polished rose gold band.

Hexagon Green Moss Agate Leaf Ring14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

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Oval Cut Lab-Grown Diamond & Amethyst Leaf Engagement Ring Set in 14K White Gold (IGI Certified) featuring a detailed nature-inspired band with sparkling lab-grown diamonds and purple amethyst accents, crafted by Aquamarise Gold.
Esme Green Moss Agate Fairy Engagement Ring in 14K Solid Yellow Gold by Aquamarise Gold, featuring an oval moss agate with diamond accents and intricate yellow gold detailing.

Esme Green Moss Agate Fairy Engagement Ring14K Solid Yellow Gold

from $1,995

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Borealis & Tanzanite Couples Ring Set- Northern Lights & Trees featuring a kite-cut tanzanite surrounded by diamonds in sterling silver, crafted by Aquamarise for matching couples' rings.

Kite Cut Geometric Tanzanite Ring SetSterling Silver

Regular price $175 $150 (-14%)

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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.
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Cordelia Vintage Morganite Engagement RingSterling Silver

Regular price $160 $128 (-20%)

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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.
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Toi Et Moi Blue Moissanite Engagement RingSterling Silver

Regular price $205 $164 (-20%)

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Kite Green Moss Agate Leaf Engagement Ring Set in 14K Solid Rose Gold showcasing a kite-cut moss agate center with leaf and diamond accents on a polished solid rose gold band.
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Kite Green Moss Agate Leaf Ring Set14K Rose Gold Vermeil

Regular price $185 $148 (-20%)

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Ring with a green gemstone and diamond-studded band on a light purple background
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Art Deco Natural Moss Agate RingSterling Silver

Regular price $155 $124 (-20%)

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Valentina Smoky Quartz Ring in 14K Rose Gold Vermeil by Aquamarise with oval smoky quartz center stone and delicate halo of simulated diamonds on an intricately designed rose gold band.
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Valentina Smoky Quartz Ring14K Rose Gold Vermeil

Regular price $175 $140 (-20%)

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Natural Aquamarine Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a pear-shaped aquamarine center with diamond halo and detailed diamond-accented band.
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Art Deco Teardrop Aquamarine RingSterling Silver

Regular price $160 $128 (-20%)

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An oval ruby engagement ring with a halo of smaller diamonds set in a 14K white gold band, displayed against a gradient purple and gray background.
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Iris Oval Ruby RingSterling Silver

Regular price $160 $128 (-20%)

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Iris Oval Pink Tourmaline Engagement Ring- 14K White Gold by Aquamarise Gold, featuring a vibrant pink tourmaline center surrounded by a halo of sparkling moissanite accents on a delicate white gold band.
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Iris Oval Pink Tourmaline RingSterling Silver

Regular price $160 $128 (-20%)

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per 

Eva Teardrop Aquamarine Engagement Ring in 14K White Gold by Aquamarise Gold featuring a pear-shaped aquamarine center with marquise diamond accents in a nature-inspired design.
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Eva Teardrop Aquamarine RingSterling Silver

Regular price $160 $128 (-20%)

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Eva London Blue Topaz Engagement Ring in 14K Solid Yellow Gold by Aquamarise Gold featuring an emerald-cut blue topaz with marquise-cut white stone accents in a vintage-inspired design.
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Eva Natural London Blue Topaz Ring14K Yellow Gold Vermeil

Regular price $175 $140 (-20%)

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Sophia Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) featuring a princess-cut diamond with an elegant twisted band accented by sparkling pavé stones by Aquamarise Gold.

Sophia Princess Cut Moissanite Engagement Ring14K White Gold

from $2,095

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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.
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Cushion Cut Emerald Engagement Ring14K Yellow Gold Vermeil

Regular price $175 $140 (-20%)

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Adeline Marquise Ruby Flower Ring in 14K Rose Gold Vermeil
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Adeline Marquise Ruby Flower Ring14K Rose Gold Vermeil

Regular price $175 $140 (-20%)

Unit price
per 

Flair Cushion Cut Morganite Twisted Engagement Ring in Sterling Silver by Aquamarise, featuring a blush pink cushion-cut morganite and pavé diamond twisted infinity band.
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Flair Cushion Cut Morganite Twisted Engagement RingSterling Silver

Regular price $140 $112 (-20%)

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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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