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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.

Adeline Marquise Cut Flower Blue Sapphire Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring marquise blue sapphire with floral diamond accents on a rose gold band.
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Adeline Marquise Cut Blue Sapphire Flower Ring14K Rose Gold Vermeil

Regular price $170 $136 (-20%)

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Ring with purple gemstone and diamond accents on a white surface with a blurred purple background

Starry Night® Geometric RingBlack Ruthenium

Regular price $160 $135 (-16%)

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Marquise Cut Lab-Grown Diamond Engagement Ring Set in 14K White Gold (IGI Certified) by Aquamarise Gold, featuring a marquise-cut center diamond with a chevron diamond-accented band, part of Solid Gold Engagement Rings and April Birthstone Jewelry collections.

Marquise Cut Simulated Diamond Bridal Ring SetSterling Silver

Regular price $175 $150 (-14%)

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Natural Red Garnet Marquise Cut Engagement Ring Set in 14K White Gold featuring a vivid marquise-cut red garnet centerpiece with a delicate white gold band adorned with sparkling diamonds, crafted by Aquamarise Gold.

Natural Marquise Cut Red Garnet Ring SetSterling Silver

Regular price $175 $150 (-14%)

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Rutilated Quartz & Black Onyx Engagement Ring Set in 14K White Gold by Aquamarise Gold featuring a kite-cut rutilated quartz center with black onyx accents on polished white gold bands.
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Kite Cut Rutilated Quartz & Black Onyx Ring SetSterling Silver

Regular price $175 $140 (-20%)

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Art Deco London Blue Topaz Engagement Ring in 14K Solid Yellow Gold by Aquamarise Gold, featuring an emerald-cut blue topaz with diamond accents in a vintage-inspired design.
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Art Deco London Blue Topaz Ring14K Yellow Gold Vermeil

Regular price $175 $140 (-20%)

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Skye Kite® Blue Fire Opal & Black Onyx Ring Set- 14K Yellow Gold Vermeil by Aquamarise with vibrant kite-shaped blue fire opal and black onyx stones in a luxurious yellow gold vermeil setting.

Skye Kite® Blue Fire Opal & Black Onyx Ring Set14K Yellow Gold Vermeil

Regular price $195 $165 (-15%)

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Kite Green Moss Agate Ring Set in 14K Rose Gold Vermeil, three piece, by Aquamarise, with a kite-cut moss agate and two marquise accent bands.
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Kite Green Moss Agate Ring Set14K Rose Gold Vermeil · 3-piece

Regular price $200 $160 (-20%)

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Vintage Green Moss Agate Engagement Ring in 14K Rose Gold Vermeil by Aquamarise, featuring an intricate floral-inspired band with small accent stones and a round moss agate centerpiece.
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Vintage Green Moss Agate Engagement Ring14K Rose Gold Vermeil

Regular price $175 $140 (-20%)

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Sonnet Hexagon Cut Alexandrite Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a striking hexagon-cut alexandrite with sparkling diamond accents in a modern elegant design.

Sonnet Hexagon Alexandrite Engagement RingSterling Silver

Regular price $170 $145 (-15%)

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Ring with a colorful gemstone and diamond-studded halo on a light purple background

Iris Mystic Topaz RingSterling Silver

Regular price $160 $135 (-16%)

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Vintage Aquamarine Engagement Ring in 14K White Gold featuring an oval aquamarine center stone with intricate vintage-style diamond accents by Aquamarise Gold.
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Vintage Aquamarine RingSterling Silver

Regular price $160 $128 (-20%)

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Ava Emerald Cut Mint Green Sapphire Ring in Sterling Silver by Aquamarise featuring a radiant emerald-cut teal sapphire with diamond accents on a polished silver band.

Ava Emerald Cut Mint Green Sapphire Engagement RingSterling Silver

Regular price $160 $135 (-16%)

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Alice Aquamarine Ring- Sterling Silver featuring a teardrop aquamarine center with sparkling simulated diamond accents in an elegant sterling silver design by Aquamarise.
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Alice Aquamarine Ring- Sterling Silver

Regular price $115 $92 (-20%)

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Adeline Marquise Cut Tanzanite Ring in Sterling Silver by Aquamarise, featuring a marquise-cut purple tanzanite surrounded by sparkling white accent stones on a sleek sterling silver band.
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Adeline Marquise Cut Tanzanite RingSterling Silver

Regular price $160 $128 (-20%)

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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.
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Victoria Vintage Ruby Ring14K Yellow Gold Vermeil

Regular price $175 $140 (-20%)

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Diamond ring with a central black diamond and pear-shaped side stones on a reflective surface with a blurred purple background.

Elowen Herkimer Diamond Ring SetSterling Silver

Regular price $185 $155 (-16%)

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A sterling silver ring set featuring a round-cut moss agate center stone with a crescent moon-inspired band, displayed on a rock.

Moss Agate & Crescent Moon Ring SetSterling Silver

Regular price $175 $150 (-14%)

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Fireworks Cut Pink Sapphire Leaf Engagement Ring in 14K White Gold by Aquamarise Gold, featuring an oval lab-grown pink sapphire with intricate leaf-inspired white gold detailing and sparkling diamond accents, part of Solid Gold Engagement Rings and Nature-Inspired Engagement Rings collections.

Fireworks Cut Lab-Grown Pink Sapphire Leaf Engagement Ring SetSterling Silver

Regular price $175 $150 (-14%)

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A two-piece ring set with a shield-cut aquamarine center stone and rose quartz accents on a leaf motif band, crafted in 14K white gold.

Fantasy Shield Cut Aquamarine & Rose Quartz Ring SetSterling Silver

Regular price $175 $150 (-14%)

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Natural Amethyst & Fire Opal Engagement Ring in 14K White Gold by Aquamarise Gold featuring a pear-shaped amethyst center with opal and diamond accents on a delicate white gold band.

Natural Amethyst & Fire Opal RingSterling Silver

Regular price $160 $135 (-16%)

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Hexagon Cut Rutilated Quartz and Black Onyx Engagement Ring in 14K White Gold by Aquamarise Gold, featuring geometric black onyx accents and a unique rutilated quartz center stone.
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Hexagon Cut Rutilated Quartz & Black Onyx RingSterling Silver

Regular price $160 $128 (-20%)

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Hexagon Tanzanite Leaf Ring Set in Sterling Silver featuring a hexagon-cut tanzanite with leaf-inspired bands and diamond accents by Aquamarise, a nature-inspired engagement ring design.

Hexagon Tanzanite Leaf Ring SetSterling Silver

Regular price $175 $150 (-14%)

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Galaxy Raw Salt & Pepper (Herkimer) Diamond Ring Set- 14K Rose Gold Vermeil by Aquamarise, featuring a pear-shaped salt and pepper diamond with white diamond accents on rose gold bands.
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Galaxy Raw Salt & Pepper (Herkimer) Diamond Ring Set14K Rose Gold Vermeil

Regular price $200 $160 (-20%)

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Skye Kite® Black Onyx Engagement Ring Set in 14K Solid Rose Gold with kite-shaped black onyx center and sparkling accent stones, showcasing Aquamarise Gold's elegant women’s rings collection.
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Skye Kite® Black Onyx Ring Set14K Rose Gold Vermeil

Regular price $200 $160 (-20%)

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Diamond ring with a marquise-shaped center stone on a light purple background

Marquise White Sapphire Halo RingSterling Silver

Regular price $160 $135 (-16%)

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Natural Citrine Engagement Ring in 14K White Gold by Aquamarise Gold, featuring an oval golden citrine center with vintage-inspired detailing and moissanite accents on a delicate white gold band.

Vintage Citrine RingSterling Silver

Regular price $160 $135 (-16%)

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Art Deco Natural Red Garnet Ring Set- Black Ruthenium (Vampire Inspired) by Aquamarise features a pear-shaped red garnet centerpiece with surrounding white gemstones on a black ruthenium sterling silver band, part of January Birthstone Jewelry and Fantasy-Inspired Engagement Rings collections.
Emerie Diamond & Emerald Engagement Ring by Aquamarise, styled against green to highlight the emerald accents.

Emerie Simulated Diamond & Emerald Engagement Ring SetSterling Silver

Regular price $175 $150 (-14%)

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Art Deco Mosaic Aquamarine Engagement Ring in 14K White Gold by Aquamarise Gold, featuring an emerald-cut ice blue aquamarine surrounded by geometric diamond accents on a polished white gold band, part of Solid Gold Engagement Rings and March Birthstone Jewelry collections.

Art Deco Ice Blue Mosaic Aquamarine Engagement RingSterling Silver

Regular price $160 $135 (-16%)

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Esme Opalescent Blue Sapphire Mermaid Ring in 925 Sterling Silver featuring a marquise blue sapphire with opalescent side stones and diamond accents on an intricately detailed silver band.
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Esme Opalescent Blue Sapphire Mermaid Ring925 Sterling Silver

Regular price $160 $128 (-20%)

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Coffin Cut Ruby and Rose Gold Leaf Couples Ring Set featuring a bold coffin-cut ruby center with black diamond accents on a rose gold band by Aquamarise.

Coffin Cut Lab Ruby & Black Onyx Ring14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

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Celtic Hexagon Cut Green Moss Agate Engagement Ring Set in 14K White Gold by Aquamarise Gold, featuring a geometric moss agate center with sparkling diamond accents.
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Celtic Hexagon Cut Green Moss Agate Ring SetSterling Silver

Regular price $175 $140 (-20%)

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Green Moss Agate & Natural Australian Opal Ring in 14K Rose Gold Vermeil by Aquamarise featuring a pear-shaped moss agate, iridescent Australian opal, and sparkling accent on a delicate rose gold band.

Green Moss Agate & Natural Australian Opal Ring14K Rose Gold Vermeil

Regular price $170 $145 (-15%)

Unit price
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Oval Cut Blue Sapphire Engagement Ring in Sterling Silver featuring a deep blue oval sapphire accented by marquise and round diamond details on a polished band by Aquamarise.

Oval Cut Blue Sapphire Engagement RingSterling Silver

Regular price $160 $135 (-16%)

Unit price
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Natural Sunstone Leaf Ring in 14K Rose Gold Vermeil by Aquamarise featuring a glowing orange sunstone and detailed leaf motif on a vintage-inspired rose gold vermeil band.
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Natural Sunstone Leaf Ring14K Rose Gold Vermeil

Regular price $170 $136 (-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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