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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.

Skye Kite® Cornflower Sapphire Kite Engagement Ring Set- 14K Solid Rose Gold

Skye Kite® Cornflower Sapphire Ring Set

14K Rose Gold Vermeil

Regular price $185 $155 (-16%)

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Art Deco Mosaic Morganite Couples Ring Set by Aquamarise featuring a rectangular pink morganite center stone surrounded by diamond accents on a sterling silver band.

Art Deco Morganite Engagement Ring

Sterling Silver

Regular price $160 $135 (-16%)

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Emerald Cut Red Garnet Engagement Ring in 14K Solid Rose Gold (Hidden Halo) by Aquamarise Gold, featuring a vibrant garnet with diamond accents in a romantic, solid gold design.

Natural Red Garnet Engagement Ring

14K Rose Gold Vermeil

Regular price $170 $69.99 (-59%)

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Rutilated Quartz Ring in 14K Rose Gold Vermeil by Aquamarise featuring a pear-shaped rutilated quartz with sparkling pavé accents on a delicate rose gold vermeil band.

Rutilated Quartz Ring

14K Rose Gold Vermeil

Regular price $175 $79.99 (-54%)

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Simulated Diamond Vintage Engagement Ring in Sterling Silver by Aquamarise featuring an Art Deco-inspired cushion-cut simulated diamond center with intricate vintage detailing and pavé accents.

Simulated Diamond Vintage Engagement Ring

Sterling Silver

Regular price $160 $79.99 (-50%)

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Vintage Teardrop Alexandrite Ring in Sterling Silver by Aquamarise, featuring a pear-shaped color-changing alexandrite center with a pavé diamond halo and detailed sterling silver band.

Vintage Teardrop Alexandrite Ring

Sterling Silver

Regular price $170 $79.99 (-53%)

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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.

Iris Natural London Blue Topaz Ring

14K Rose Gold Vermeil

Regular price $170 $69.99 (-59%)

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Lunette Teardrop Alexandrite Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold featuring a pear-shaped color-changing alexandrite with diamond accents in a rose gold band.

Lunette Vintage Teardrop Alexandrite Ring Set

14K Rose Gold Vermeil

Regular price $200 $170 (-15%)

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per 

Ava Oval Cut Alexandrite Engagement Ring in 14K White Gold by Aquamarise Gold featuring a vibrant oval alexandrite center and pavé diamond accents on a polished white gold band.

Ava Oval Cut Alexandrite Engagement Ring

Sterling Silver

Regular price $170 $145 (-15%)

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Ring with a large blue gemstone and smaller diamonds on a soft purple background

Cushion Cut Alexandrite Ring

Sterling Silver

Regular price $185 $89.99 (-51%)

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Avery Morganite Ring in 14K Rose Gold Vermeil featuring a round peachy-pink simulated morganite surrounded by a sparkling halo of white stones by Aquamarise.

Avery Morganite Ring

14K Rose Gold Vermeil

Regular price $175 $99.99 (-43%)

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Victoria Art Deco Emerald Engagement Ring in 14K White Gold by Aquamarise Gold featuring an oval emerald center with vintage-inspired moissanite accents in a polished white gold setting.

Victoria Emerald Engagement Ring

Sterling Silver

Regular price $125 $69.99 (-44%)

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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 Morganite Engagement Ring Set

14K Rose Gold Vermeil

Regular price $195 $89.99 (-54%)

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per 

Eva Black Rutilated Quartz Engagement Ring in 14K White Gold by Aquamarise Gold, featuring an oval black rutilated quartz center with marquise white gemstone accents on a delicate white gold band.

Eva Black Rutilated Quartz Ring

Sterling Silver

Regular price $160 $69.99 (-56%)

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Ava Oval Cut Teal Sapphire Engagement Ring in Sterling Silver by Aquamarise featuring a vibrant teal-blue sapphire center with sparkling accent stones in a modern elegant setting.

Ava Oval Cut Teal Sapphire Engagement Ring

Sterling Silver

Regular price $160 $79.99 (-50%)

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per 

Moss agate engagement ring with leaf design and diamond accent stones over light purple background

Moss Agate Botanical Leaf Ring

Sterling Silver

Regular price $160 $135 (-16%)

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per 

Starry Night™ Galaxy Engagement Ring | Blue Sandstone Ring
Made to Order

Starry Night® & Amethyst Galaxy Leaf Ring

Sterling Silver

Regular price $205 $175 (-15%)

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per 

Esme Lavender Moissanite Ring Engagement Ring in 14K White Gold by Aquamarise Gold showcasing a vibrant oval lavender moissanite center stone flanked by sparkling colorless moissanite accents and an intricate nature-inspired band design from the Solid Gold Moissanite Engagement Rings collection.

Esme Lavender Moissanite Ring

Sterling Silver

Regular price $205 $175 (-15%)

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per 

Teardrop White Sapphire Ring in 14K Rose Gold Vermeil by Aquamarise, featuring a 2-carat pear-cut lab-grown white sapphire center with marquise-cut simulated diamonds arranged in a floral design on a rose gold vermeil band, part of Rose Gold Vermeil Rings, September Birthstone Jewelry, and Engagement Rings for Women collections.

Teardrop White Sapphire Ring

14K Rose Gold Vermeil

Regular price $155 $124 (-20%)

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per 

Teardrop Pink Sapphire Ring in Sterling Silver by Aquamarise featuring a vintage-inspired pear-shaped pink sapphire center surrounded by a halo of sparkling stones on a polished silver band, part of Sterling Silver Rings and September Birthstone Jewelry collections.

Teardrop Pink Sapphire Ring

Sterling Silver

Regular price $160 $89.99 (-44%)

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per 

Ring with blue heart-shaped gemstone and pearls on a gradient background

Briar Blue Sapphire and Pearl Engagement Ring Set

Black Ruthenium

Regular price $175 $79.99 (-54%)

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per 

Galaxy Salt and Pepper (Herkimer) Diamond & Meteorite Couples Ring Set by Aquamarise, featuring a rose gold band with an oval salt and pepper diamond centerpiece surrounded by leaf-shaped white gemstones, blending celestial charm with romantic elegance.

Salt and Pepper Diamond Leaf Ring Set

14K Rose Gold Vermeil · Herkimer Diamond

Regular price $200 $170 (-15%)

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per 

Feyra Starry Night & Amethyst Couples Ring Set featuring a pear-shaped dark blue sandstone center stone surrounded by vibrant amethyst gemstones set in a delicate rose gold band, crafted by Aquamarise for Matching Couples' Rings and February Birthstone collections.

Feyra Starry Night® & Amethyst Ring Set

14K Solid Rose Gold

from $2,495

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Skye Kite® Peacock Fire Opal & Emerald Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold featuring a vibrant kite-shaped opal and sparkling emeralds in a unique rose gold setting.
Bestseller

Skye Kite® Peacock Fire Opal & Emerald Engagement Ring Set

14K Solid Rose Gold

from $2,195

Unit price
per 

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 Set

14K White Gold

from $2,410

Unit price
per 

Starry Night Engagement Ring Set in 14K Solid Yellow Gold by Aquamarise Gold, featuring a pear-shaped deep blue gemstone with sparkling white diamond accents on polished yellow gold bands.

Starry Night® Engagement Ring Set

14K Solid Yellow Gold

from $2,025

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per 

Starry Night Coffin Kite Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold, featuring deep blue coffin kite gemstones with sparkling diamond accents in a celestial design.

Starry Night® Coffin Kite Engagement Ring Set

14K Solid Rose Gold

from $2,195

Unit price
per 

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.

Emerie Marquise Cut Moss Agate & Opalescent Sapphire Ring Set

14K Rose Gold Vermeil

Regular price $185 $89.99 (-51%)

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per 

Green Fire Opal Leaf Engagement Ring in 14K Rose Gold Vermeil featuring a vibrant green fire opal center, opalescent side stones, and intricate leaf engraving by Aquamarise.

Green Fire Opal Leaf Engagement Ring

14K Rose Gold Vermeil

Regular price $175 $140 (-20%)

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per 

Rose gold ring with a blue opal stone and diamond accents on a white background

Vintage Blue Fire Opal Ring

14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

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per 

Toi Et Moi Morganite and Moissanite Ring- 14K Solid Rose Gold by Aquamarise Gold featuring an emerald-cut morganite and a pear-shaped moissanite on a delicate rose gold band.

Morganite and Simulated Diamond Toi Et Moi Ring

14K Rose Gold Vermeil

Regular price $175 $79.99 (-54%)

Unit price
per 

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.

Natural Herkimer Diamond Cluster Ring

14K Rose Gold Vermeil

Regular price $170 $69.99 (-59%)

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per 

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.

Ruby and Australian Opal Ring

14K Rose Gold Vermeil

Regular price $175 $79.99 (-54%)

Unit price
per 

Vintage Ruby Ring in 14K Rose Gold Vermeil by Aquamarise, featuring a deep red ruby in an intricate rose gold setting with a twisted band from the Rose Gold Vermeil Rings collection.

Dainty Vintage Ruby Engagement Ring

14K Rose Gold Vermeil

Regular price $170 $69.99 (-59%)

Unit price
per 

Pear cut black onyx engagement ring set in sterling silver with pave band

Amy Pear Black Onyx Ring Set

Sterling Silver

Regular price $135 $69.99 (-48%)

Unit price
per 

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

Teardrop Morganite Ring

Sterling Silver

Regular price $160 $69.99 (-56%)

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.

Read more
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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