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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.

Starry Night & Black Onyx Engagement Ring Set in 14K White Gold by Aquamarise Gold, featuring a kite-cut celestial blue sandstone surrounded by black onyx accents on polished white gold bands.

Starry Night® & Black Onyx Engagement Ring Set14K White Gold

from $1,895

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per 

Lab-Grown Oval Cut Cornflower Sapphire Leaf Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold with intricate leaf details and a vibrant oval cornflower sapphire center stone.
Princess Cut Black Onyx Engagement Ring Set in Solid 14K Yellow Gold by Aquamarise Gold, featuring a bold princess-cut black onyx center and sparkling diamond accents in a refined yellow gold design.
Turquoise Opalescent Blue Sapphire Ring Set in Sterling Silver by Aquamarise, showcasing a pear-shaped vibrant turquoise blue sapphire set in 925 sterling silver with intricate leaf-inspired detailing and small sparkling white gemstones.
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Turquoise Opalescent Blue Sapphire Ring SetSterling Silver

Regular price $140 $112 (-20%)

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Delicate Maeve Emerald Couples Ring Set featuring a vibrant green emerald center stone with sparkling diamonds set in 14k yellow gold, crafted by Aquamarise, a nature-inspired matching couples ring.

Maeve Emerald Fairy Engagement Ring14K Solid Yellow Gold

from $1,995

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Esme Lab-Grown Diamond Engagement Ring in 14K Solid Yellow Gold (IGI Certified) by Aquamarise Gold, featuring an intricate floral-inspired design with a marquise-cut lab-grown diamond centerpiece and delicate side stones, part of Solid Gold Engagement Rings and Nature-Inspired Engagement Rings collections.

Esme Oval Moissanite Fairy Engagement Ring14K Solid Yellow Gold

from $2,185

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per 

Opalescent blue sapphire black onyx ring set in sterling silver
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Opalescent Blue Sapphire & Black Onyx Ring SetSterling Silver

Regular price $175 $140 (-20%)

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per 

Midnight Blue Sapphire Couples Ring Set in rose gold with a striking coffin-shaped sapphire and diamond accents, crafted by Aquamarise for Matching Couples' Rings and Sapphire Jewelry collections.
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Midnight Blue Sapphire Ring Set14K Rose Gold Vermeil

Regular price $195 $156 (-20%)

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Hexagon Green Moss Agate Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring a natural moss agate hexagon cut with geometric side stones in a delicate rose gold setting.
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Hexagon Green Moss Agate Ring14K Rose Gold Vermeil

Regular price $175 $140 (-20%)

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per 

Silver ring with a blue gemstone and diamond accents on a light purple background
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East West Aquamarine RingSterling Silver

Regular price $160 $128 (-20%)

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per 

Vintage Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified)

Vintage Teardrop Moissanite Engagement Ring14K White Gold

from $2,225

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per 

Elle Lab-Grown Diamond Engagement Ring- 14K White Gold (IGI Certified) by Aquamarise Gold, featuring a scalloped pavé diamond band and a diamond-encrusted gallery in a timeless design.

Elle Hidden Halo Moissanite Engagement Ring14K White Gold

from $2,045

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per 

Evelyn Oval Cut Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold, featuring round and marquise diamond accents in an elegant nature-inspired design.

Evelyn Oval Halo Moissanite Engagement Ring14K White Gold

from $2,145

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per 

Peony Lab-Grown Diamond Engagement Ring- 14K White Gold (IGI Certified) featuring an oval halo center stone with delicate floral-inspired side detailing by Aquamarise Gold.

Peony Floral Moissanite Engagement Ring14K White Gold

from $2,245

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per 

Diamond ring with a marquise-shaped center stone on a soft, blurred background

Marquise Moissanite Engagement Ring14K White Gold

from $2,165

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Amy Teardrop Lab-Grown Ruby Ring Set in 14K Rose Gold Vermeil by Aquamarise, featuring pear-shaped rubies and sparkling accent stones on rose gold vermeil bands, from the Rose Gold Vermeil Rings collection.
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Amy Teardrop Lab-Grown Ruby Ring Set14K Rose Gold Vermeil

Regular price $135 $108 (-20%)

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per 

Rose gold ring with a teardrop-shaped blue gemstone and diamond accents on a light purple background.
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Lab Alexandrite Halo Ring14K Rose Gold Vermeil

Regular price $165 $132 (-20%)

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per 

Art Deco Aquamarine Engagement Ring in Solid 14K Rose Gold by Aquamarise Gold, featuring a cushion-cut aquamarine surrounded by vintage-inspired diamond accents on a delicate band.

Art Deco Aquamarine Engagement RingSolid 14K Rose Gold

from $1,775

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per 

Iris Oval Alexandrite Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring a vibrant oval lab-grown alexandrite with a halo of sparkling moissanite on a rose gold band.

Iris Oval Alexandrite Engagement Ring14K Solid Rose Gold

from $2,045

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per 

Iris Oval Tanzanite Ring in 14K Rose Gold Vermeil by Aquamarise featuring an oval-cut vibrant tanzanite surrounded by a halo of sparkling simulated diamonds on a rose gold vermeil band.
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Iris Oval Tanzanite Ring14K Rose Gold Vermeil

Regular price $175 $140 (-20%)

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Two gold rings with diamonds on a white surface with a blurred purple background

Oval Moissanite Engagement Ring SetSolid 14K Yellow Gold

from $2,135

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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 Natural Ruby Engagement Ring14K Solid Yellow Gold

from $2,195

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per 

An oval-shaped Alexandrite gemstone engagement ring with a halo of either moissanite or diamond accents set in a 14K white gold band, displayed against a gradient purple and pink background.

Iris Oval Alexandrite Engagement Ring14K White Gold

from $1,995

Unit price
per 

one carat solitaire engagement ring

Oval Moissanite Solitaire RingSolid 14K Yellow Gold

from $1,695

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per 

Silver ring with a blue teardrop gemstone on a light purple background
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Pear Aquamarine Chevron Stacking Ring SetSterling Silver

Regular price $140 $112 (-20%)

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Pear Morganite Chevron Stacking Ring Set in Rose Gold Vermeil
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Pear Morganite Chevron Stacking Ring SetRose Gold Vermeil

Regular price $185 $148 (-20%)

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per 

Hexagon Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold featuring a hexagonal halo of diamonds and a 1.1ct center stone in a white gold band.

Hexagon Moissanite Engagement Ring14K White Gold

from $1,995

Unit price
per 

Rose gold ring with a purple gemstone and diamond accents on a light purple background
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Hexagon Alexandrite Halo Ring14K Rose Gold Vermeil

Regular price $155 $124 (-20%)

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per 

Eva Morganite Ring- 14K Rose Gold Vermeil by Aquamarise featuring a peachy-pink emerald-cut morganite center with simulated diamond accents in a vintage-inspired rose gold vermeil setting.
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Eva Morganite Ring- 14K Rose Gold Vermeil

Regular price $115 $92 (-20%)

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Amelia Emerald Cut Aquamarine Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a radiant emerald cut aquamarine with sparkling side stones on a polished band.

Amelia Emerald Cut Aquamarine Engagement Ring14K White Gold

from $1,975

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Valentina Rainbow Moonstone Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold featuring a vibrant oval moonstone surrounded by intricate diamond accents on a delicate rose gold band.
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.

Iris Oval Moonstone Engagement Ring14K Solid Yellow Gold

from $1,995

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per 

Paraiba Tourmaline Ring in 14K Rose Gold Vermeil by Aquamarise, featuring a vibrant square-cut paraiba tourmaline surrounded by a split shank of sparkling clear stones.
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Paraiba Tourmaline Ring14K Rose Gold Vermeil

Regular price $175 $140 (-20%)

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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.
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Vintage Paraiba Tourmaline RingSterling Silver

Regular price $160 $128 (-20%)

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per 

Aria Tanzanite Ring Set in Sterling Silver by Aquamarise, featuring a pear-cut violet-blue tanzanite with a chevron band set with simulated diamonds.
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Aria Tanzanite Ring SetSterling Silver

Regular price $115 $92 (-20%)

Unit price
per 

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.

Jasmine Natural Morganite Ring Set14K Solid Rose Gold

from $2,095

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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

4.9

38,000+ verified reviews

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“This ring was just perfect for my wife.”

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