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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 Sapphire Blue Opal Engagement Ring in Sterling Silver by Aquamarise, featuring a deep blue hexagon sapphire with vibrant blue opal accents and sparkling white stones on a sleek silver band.

Hexagon Sapphire Blue Opal Engagement RingSterling Silver

Regular price $160 $135 (-16%)

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Ellie Princess Cut Amethyst Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a vibrant purple princess cut amethyst with diamond accents on a polished white gold band.
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Ellie Natural Amethyst Engagement RingSterling Silver

Regular price $160 $128 (-20%)

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Skylar Kite Cut Alexandrite Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold, featuring a color-shifting kite cut gemstone with sparkling diamond accents in a rose gold setting.
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Skylar Kite Cut Alexandrite Engagement Ring Set14K Rose Gold Vermeil

Regular price $195 $156 (-20%)

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Belle Cushion Cut Alexandrite Ring in Sterling Silver by Aquamarise featuring a lab-created color-shifting alexandrite center stone with diamond accents on a 925 sterling silver band.

Belle Cushion Cut Alexandrite RingSterling Silver

Regular price $170 $145 (-15%)

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Diamond ring with a oval-shaped center stone on a soft purple background
Made to Order

Esme Vintage Oval Moissanite Engagement RingSterling Silver

Regular price $240 $205 (-15%)

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per 

Amethyst and Galaxy Fire Opal Leaf Couples Ring Set by Aquamarise featuring a vibrant purple amethyst center stone with marquise and round white opal accents set in polished gold, from Matching Couples' Rings and February and October Birthstone collections.

Natural Fireworks Cut Amethyst Leaf Ring14K Yellow Gold Vermeil

Regular price $170 $145 (-15%)

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Sophia Fantasy Cut Sapphire Engagement Ring in 14K White Gold by Aquamarise Gold showcases a vibrant blue fireworks-cut sapphire set on an elegant twisted white gold band accented with sparkling diamonds, part of Solid Gold Engagement Rings and September Birthstone Jewelry collections.
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Sophia Fireworks Cut Blue Sapphire RingSterling Silver

Regular price $160 $128 (-20%)

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Sophia Twisted Vine Alexandrite Engagement Ring in 14K White Gold by Aquamarise Gold showcases a princess-cut alexandrite center stone with a twisted white gold band accented by sparkling diamonds, part of Solid Gold Engagement Rings, June Birthstone Jewelry, and Nature-Inspired collections.
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Sophia Twisted Vine Alexandrite RingSterling Silver

Regular price $170 $136 (-20%)

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Starry Night engagement ring set in sterling silver

Starry Night® Engagement Ring SetSterling Silver

Regular price $175 $150 (-14%)

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A sterling silver ring featuring a kite-cut Herkimer diamond with salt and pepper inclusions, accompanied by smaller clear stones on the band.

Galaxy Raw Salt & Pepper (Herkimer Diamond) Leaf RingSterling Silver

Regular price $160 $135 (-16%)

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Fireworks Cut Padparadscha Sapphire Engagement Ring Set in 14K White Gold by Aquamarise Gold featuring a pear-shaped fiery padparadscha sapphire centerpiece with detailed leaf-inspired white gold band and diamond accents, part of Solid Gold Engagement Rings and September Birthstone Jewelry collections.
Made to Order

Fireworks Cut Padparadscha Sapphire Engagement Ring SetSterling Silver

Regular price $185 $155 (-16%)

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Teal Sapphire Crescent Moon Ring Set in 14K White Gold featuring a marquise-cut teal sapphire center flanked by crescent moon and small round teal sapphires, crafted by Aquamarise Gold from nature-inspired and fantasy engagement collections.

Teal Sapphire Moon Ring SetSterling Silver

Regular price $175 $150 (-14%)

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Blue Fire Opal Engagement Ring- 14K Solid Yellow Gold featuring a teardrop opal center with halo and pear-shaped opal accents in delicate yellow gold by Aquamarise Gold.

Blue Fire Opal Engagement Ring14K Yellow Gold Vermeil

Regular price $170 $145 (-15%)

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Garnet & Red Fire Opal Whiskey Barrel Couples Ring Set by Aquamarise featuring a striking kite-cut garnet with marquise and round diamond accents in a rose gold setting.

Kite Cut Natural Red Garnet Engagement Ring Set14K Rose Gold Vermeil

Regular price $200 $170 (-15%)

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Oval Cut Blush Pink Morganite Ring in Sterling Silver by Aquamarise featuring a vintage-inspired oval peachy-pink morganite with delicate leaf and diamond accents in a sterling silver band.

Oval Cut Blush Pink Morganite RingSterling Silver

Regular price $160 $135 (-16%)

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Iris Oval Morganite Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring a peachy pink morganite center with a sparkling moissanite halo on a pavé-set band.

Iris Oval Morganite Ring14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

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Evelyn Pear Red Garnet Engagement Ring Set in 14K Solid Rose Gold with a pear-shaped red garnet center and marquise and round white gemstones in an Aquamarise Gold design.

Evelyn Natural Pear Garnet Ring Set14K Rose Gold Vermeil

Regular price $200 $170 (-15%)

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Flair Teardrop Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold featuring a pear-shaped diamond with intricate pavé diamond accents on a twisted white gold band.
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Flair Teardrop Simulated Diamond Engagement RingSterling Silver

Regular price $160 $128 (-20%)

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Marquise Cut Blue Sapphire Bridal Ring Set in Sterling Silver by Aquamarise featuring a deep blue marquise sapphire surrounded by sparkling round accents on a sterling silver band.
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Marquise Cut Blue Sapphire Bridal Ring SetSterling Silver

Regular price $175 $140 (-20%)

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A vintage-inspired 14K yellow gold vermeil ring with a central green emerald simulated stone and accent stones arranged in a geometric pattern on a smooth band.
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Victoria Emerald Ring14K Yellow Gold Vermeil

Regular price $175 $140 (-20%)

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Celtic Knot Moonstone Engagement Ring Set in 14K White Gold by Aquamarise Gold, featuring a pear-shaped moonstone with intricate Celtic knotwork and sparkling gemstone accents.

Celtic Knot Moonstone Engagement Ring SetSterling Silver

Regular price $175 $150 (-14%)

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Kite Green Moss Agate Twirl Ring in Black Ruthenium

Kite Green Moss Agate Twirl RingBlack Ruthenium

$105

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A two-piece Celtic ring set with a star-cut ruby center stone and accent stones, crafted in 14K white gold, displayed against a purple and gray background.

Celtic Fireworks Cut Ruby Ring SetSterling Silver

Regular price $170 $145 (-15%)

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Two-piece leaf ring set with a shield-cut blue sapphire center stone and accent stones, crafted in 14K white gold, displayed on a rock.

Fantasy Shield Cut Sapphire Leaf Ring SetSterling Silver

Regular price $175 $150 (-14%)

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Esme Alexandrite & Black Onyx Engagement Ring in 14K Rose Gold Vermeil by Aquamarise featuring a central color-changing alexandrite gemstone flanked by black onyx accents on an intricately designed rose gold vermeil band, part of Rose Gold Vermeil Rings, June Birthstone Jewelry, and Fantasy-Inspired Engagement Rings collections.

Esme Alexandrite & Black Onyx Engagement Ring14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

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Blue Sapphire & Fantasy Shield Cut Diamond Couples Ring Set by Aquamarise featuring a yellow gold band with marquise sapphires and a shield-cut cz diamond in an intricate fantasy-inspired design.

Leaf Shield Cut Simulated Diamond Blue Sapphire Engagement Ring Set14K Yellow Gold Vermeil

Regular price $185 $155 (-16%)

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Toi Et Moi Peridot and Emerald Engagement Ring in 14K White Gold by Aquamarise Gold featuring pear-cut vibrant green emerald and bright peridot stones in a delicate white gold band.

Toi Et Moi Peridot and Emerald Engagement RingSterling Silver

Regular price $160 $135 (-16%)

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Skye Kite® Natural Sunstone Ring Set in Sterling Silver by Aquamarise, featuring a radiant kite-cut sunstone with sparkling accent stones in a modern, fantasy-inspired design.
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Skye Kite® Natural Sunstone Ring SetSterling Silver

Regular price $170 $136 (-20%)

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Natural Herkimer Diamond Leaf Engagement Ring in Sterling Silver by Aquamarise, featuring an oval raw diamond with organic inclusions on a nature-inspired silver leaf band.

Natural Herkimer Diamond Leaf Engagement RingSterling Silver

Regular price $160 $135 (-16%)

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Simulated Diamond Engagement Ring Set in 14K Rose Gold Vermeil by Aquamarise, featuring a pear-cut simulated diamond halo on a twisted pave band with a marquise crown band.

Simulated Diamond Engagement Ring Set14K Rose Gold Vermeil

Regular price $190 $160 (-16%)

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Solitaire 2ct Oval Cut Alexandrite Engagement Ring- Sterling Silver by Aquamarise, minimalist oval alexandrite in a sleek sterling silver band, part of sterling silver and women's engagement rings collections.

Solitaire 2ct Oval Cut Alexandrite Engagement RingSterling Silver

Regular price $170 $145 (-15%)

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Simulated Diamond Engagement Ring in 14K Rose Gold Vermeil by Aquamarise, featuring a pear-shaped simulated diamond with a sparkling halo on a polished rose gold band.
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Simulated Diamond Engagement Ring14K Rose Gold Vermeil

Regular price $165 $132 (-20%)

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Snowflake Round Cut Lab-Grown Alexandrite Ring in 14K Rose Gold Vermeil by Aquamarise, featuring a vibrant round lab-grown alexandrite with dazzling diamond accents in rose gold vermeil.
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Snowflake Round Cut Lab-Grown Alexandrite Ring14K Rose Gold Vermeil

Regular price $175 $140 (-20%)

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Adeline Marquise Cut Alexandrite Ring in Sterling Silver by Aquamarise featuring a marquise color-changing alexandrite center with diamond accents, part of Sterling Silver Rings and June Birthstone Jewelry collections.

Adeline Marquise Cut Alexandrite RingSterling Silver

Regular price $170 $145 (-15%)

Unit price
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Hexagon Cut Alexandrite Engagement Ring in 14K White Gold by Aquamarise Gold featuring a vibrant hexagonal alexandrite flanked by elegant white diamond accents on a polished band.
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Hexagon Cut Lab-Grown Alexandrite RingSterling Silver

Regular price $170 $136 (-20%)

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Aster Round Cut Citrine Ring in 14K Rose Gold Vermeil by Aquamarise, featuring a round citrine center with a snowflake halo of simulated diamonds on a pavé rose gold vermeil band.

Aster Round Cut Citrine Ring14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

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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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