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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.

Entwined green moss agate ring in sterling silver, close-up view
Sale

Entwined Green Moss Agate Ring in Sterling Silver

Regular price $160 $135 (-16%)

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Lily Vintage Emerald Flower Engagement Ring in 14K White Gold by Aquamarise Gold featuring an oval lab-grown emerald with marquise and round diamond accents in a vintage floral design.
Sale

Lily Vintage Emerald Engagement Ring in Sterling Silver

Regular price $160 $135 (-16%)

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Jasmine Aquamarine Engagement Ring Set in 14K White Gold by Aquamarise Gold featuring a round aquamarine center with floral diamond accents and a diamond-studded contoured band.
Sale

Jasmine Round Cut Aquamarine Flower Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

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Briar Black Onyx & Pearl Ring Set in Sterling Silver by Aquamarise showcases a pear-shaped black onyx center stone surrounded by delicate pearls and sparkling accents, perfect for lovers of unique, non-traditional engagement rings.
Sale

Briar Black Onyx & Pearl Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

Unit price
per 

Skye Kite® London Blue Topaz & Emerald Ring Set- Black Ruthenium with kite-cut blue topaz, emerald accents, and black ruthenium over sterling silver by Aquamarise.
Sale

Skye Kite® London Blue Topaz & Emerald Ring Set in Black Ruthenium

Regular price $220 $185 (-16%)

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Emerie Blue Fire Opal & Pink Sapphire Ring Set in Sterling Silver featuring a marquise blue fire opal center flanked by oval pink sapphires and sparkling white accents, crafted by Aquamarise from nature and fantasy-inspired collections.
Sale

Emerie Blue Fire Opal & Pink Sapphire Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

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per 

Celtic Green Moss Agate Engagement Ring Set in 14K Solid Yellow Gold by Aquamarise Gold, featuring pear-cut green moss agate with diamond accents in a unique Celtic-inspired design.
Sale

Celtic Teardrop Green Moss Agate Ring Set in 14K Yellow Gold Vermeil

Regular price $185 $155 (-16%)

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Toi Et Moi Blue Sapphire & Aquamarine Engagement Ring in 14K White Gold by Aquamarise Gold featuring emerald-cut blue sapphire and pear-shaped aquamarine gemstones on a delicate white gold band.
Sale

Toi Et Moi Blue Sapphire and Aquamarine Ring in Sterling Silver

Regular price $160 $135 (-16%)

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per 

Gold ring with a green gemstone on a white and purple gradient background
Sale

Moss Agate Leaf Ring in 14K Yellow Gold Vermeil

Regular price $170 $145 (-15%)

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Princess Cut Moss Agate Engagement Ring Set in 14K White Gold by Aquamarise Gold, featuring a unique green moss agate centerpiece with diamond accents in a nature-inspired design.
Sale

Princess Cut Green Moss Agate Engagement Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

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per 

Round Green Moss Agate Ring in Sterling Silver by Aquamarise featuring a round natural green moss agate center with intricate leaf-inspired diamond accents on a polished band.
Sale

Round Green Moss Agate Ring in Sterling Silver

Regular price $160 $135 (-16%)

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Vintage Round Cut Aquamarine Ring in Sterling Silver by Aquamarise featuring a delicate round aquamarine center with intricate vintage-inspired diamond accents on a detailed silver band.
Sale

Vintage Round Cut Aquamarine Ring in Sterling Silver

Regular price $160 $135 (-16%)

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per 

Rainbow Moonstone Engagement Ring in 14K White Gold by Aquamarise Gold, featuring an oval glowing moonstone with intricate vintage-inspired details and sparkling moissanite accents.
Sale

Vintage Moonstone Ring in Sterling Silver

Regular price $160 $135 (-16%)

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Elowen Kite Cut Lab Grown Alexandrite Ring Set in Sterling Silver with a kite-cut alexandrite center stone and sparkling accent diamonds by Aquamarise.
Sale

Elowen Kite Cut Lab Grown Alexandrite Ring Set in Sterling Silver

Regular price $220 $185 (-16%)

Unit price
per 

Elegant ring with a large red gemstone and diamond accents on a light purple background

Faye Ruby Engagement Ring Set in Black Ruthenium

$115

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Esme Labradorite & Black Onyx Engagement Ring in 14K White Gold featuring a marquise-shaped labradorite center stone with surrounding black onyx accents on an intricately designed band by Aquamarise Gold, part of Solid Gold Engagement Rings and Non-Traditional Gemstone Engagement Rings collections.
Sale

Esme Labradorite & Black Onyx Ring in Sterling Silver

Regular price $160 $135 (-16%)

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per 

Orion Nebula™ & Tanzanite Couples Ring Set by Aquamarise, featuring a unique elongated tanzanite stone with diamond accents in a celestial-inspired black finish design.
Sale

Hexagon Coffin Tanzanite Engagement Ring Set in Black Ruthenium

Regular price $175 $150 (-14%)

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Triangle Green Moss Agate Engagement Ring in 14K White Gold by Aquamarise Gold with a unique nature-inspired triangle cut green moss agate stone on a sleek white gold band.
Sale

Minimalist Triangle Green Moss Agate Ring in Sterling Silver

Regular price $160 $135 (-16%)

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Galaxy Sandstone (Starry Night) Leaf Ring- 14K Rose Gold Vermeil by Aquamarise, featuring a sparkling round blue sandstone in an intricately detailed leaf-inspired rose gold vermeil band.
Sale

Galaxy Sandstone (Starry Night) Leaf Ring in 14K Rose Gold Vermeil

Regular price $170 $145 (-15%)

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per 

Vintage Aquamarine Ring in 14K White Gold by Aquamarise Gold, featuring a soft blue emerald-cut aquamarine center with vintage-inspired moissanite accents and delicate white gold filigree band.
Sale

Vintage Aquamarine Ring in Sterling Silver

Regular price $160 $135 (-16%)

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Skye Kite® London Blue Topaz & Emerald Deer Couples Ring Set by Aquamarise features a kite-shaped London Blue Topaz center stone with marquise emeralds and sparkling diamonds on a sterling silver band, part of Matching Couples' Rings and May and November Birthstone Jewelry collections.
Sale

Skye Kite® Natural London Blue Topaz & Emerald Ring Set in Sterling Silver

Regular price $205 $175 (-15%)

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A sterling silver ring with a teardrop-shaped aquamarine centerpiece and round accent stones, accompanied by a pearl band.
Sale

Briar Aquamarine & Pearl Ring Set in Sterling Silver

Regular price $160 $135 (-16%)

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per 

Skye Kite® Green Moss Agate Ring Set in 14K Yellow Gold Vermeil featuring a kite-cut moss agate surrounded by sparkling white stones, elegant vintage-inspired design by Aquamarise.
Starry Night Sandstone Ring Set- 14K Solid Rose Gold featuring kite-cut sparkling blue gemstone with rose gold band and delicate diamond accents by Aquamarise Gold.
Sale

Starry Night Sandstone Ring Set in 14K Rose Gold Vermeil

Regular price $200 $170 (-15%)

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Sophia Twisted Vine Alexandrite Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a cushion cut alexandrite with an intertwined band accented by sparkling diamonds.
Sale

Sophia Twisted Vine Alexandrite Ring in Sterling Silver

Regular price $170 $145 (-15%)

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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.
Sale

Sophia Princess Cut White Sapphire Ring in Sterling Silver

Regular price $160 $135 (-16%)

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Moss Agate & Emerald Celtic Knot Ring in 14K Solid Yellow Gold by Aquamarise Gold, featuring a marquise moss agate center with emerald accents in a Celtic-inspired design.
Sale

Marquise Celtic Knot Moss Agate Ring in 14K Yellow Gold Vermeil

Regular price $170 $145 (-15%)

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Natural Garnet 3pcs Ring Set- 14K Rose Gold Vermeil by Aquamarise, featuring a vintage-inspired garnet centerpiece with sparkling white accents on delicate rose gold vermeil bands.
Sale

Natural Garnet 3pcs Ring Set in 14K Rose Gold Vermeil

Regular price $200 $170 (-15%)

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per 

Ring with a green gemstone on a white background
Sale

Hexagon Green Moss Agate Ring in Sterling Silver

Regular price $160 $135 (-16%)

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per 

Sophia Twisted Vine Amethyst Ring in Sterling Silver by Aquamarise featuring a cushion cut purple amethyst center with a twisted vine band accented by sparkling stones.
Sale

Sophia Twisted Vine Amethyst Ring in Sterling Silver

Regular price $160 $135 (-16%)

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per 

Opalescent Pink Sapphire Engagement Ring Set in 14K Rose Gold Vermeil featuring a pear-shaped pink sapphire with delicate diamond accents on a rose gold band by Aquamarise.
Sale

Opalescent Pink Sapphire Engagement Ring Set in 14K Rose Gold Vermeil

Regular price $170 $145 (-15%)

Unit price
per 

Aquamarine & Crescent Moonstone Ring in Sterling Silver by Aquamarise, featuring an oval aquamarine center flanked by crescent moonstones and small sparkling accent stones.
Sale

Aquamarine & Crescent Moonstone Ring in Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

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Ethically Crafted

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200K+ Happy Couples

Fantasy-inspired designs

Unique engagement rings are the ones that don’t look like everything else in the case — rings built around unusual gemstones, unconventional cuts and settings you won’t find in a mall jeweler’s standard range. Aquamarise has built its entire catalog around that idea: moss agate, salt-and-pepper diamonds, alexandrite and fantasy cuts set in nature-inspired, gothic and celestial designs. This collection is the full range of unique engagement rings, in genuine 925 sterling silver, gold vermeil and solid gold.

What makes an engagement ring unique

Three things, usually. The stone: moss agate, rutilated quartz, salt-and-pepper diamonds and opal all carry natural patterns that never repeat, so the ring is literally one of a kind. The cut: kite, hexagon, coffin and fireworks fantasy cuts break from the round-brilliant default. And the setting: nature-inspired, gothic and floral designs turn the mount itself into the statement.

Unique engagement rings for women

The most-requested unique styles pair an unusual stone with a distinctive silhouette — a moss agate engagement ring in a leafy setting, a toi et moi two-stone design, or an east west setting that turns the stone sideways. For colored center stones see gemstone engagement rings; for something sparkling but affordable, moissanite engagement rings.

Unique, alternative & non-traditional

These terms overlap but lean differently. Unique is about the design being one of a kind. Alternative engagement rings emphasize stepping away from the diamond-solitaire convention entirely. If you want the classic look done well instead, see traditional engagement rings, or for a pre-engagement commitment piece, promise rings.

Unique Engagement Rings FAQs

What counts as a unique engagement ring?

An engagement ring that departs from the standard round-brilliant diamond solitaire — through an unusual gemstone, an unconventional cut such as kite or hexagon, or a distinctive setting like nature-inspired or gothic designs.

Which gemstones make a ring one of a kind?

Stones with natural, non-repeating patterns: moss agate, rutilated quartz, salt-and-pepper diamonds and opal. No two stones share the same internal pattern, so each ring is genuinely singular.

Are unique engagement rings durable enough for daily wear?

Most are, but it depends on the stone’s hardness. Sapphire (Mohs 9), moissanite (9.25) and diamond (10) are extremely durable; quartz-family stones like moss agate and rutilated quartz sit at 7 and benefit from a protective setting.

What is the difference between unique and alternative engagement rings?

They overlap heavily. Unique emphasizes a one-of-a-kind design; alternative emphasizes stepping away from the traditional diamond solitaire. Many rings qualify as both.

Can a unique engagement ring be customized?

Yes — stone, cut and metal can be specified on many designs. See custom engagement rings for made-to-order options.

What metals are available?

Genuine 925 sterling silver, 14K gold vermeil, and made-to-order solid gold and platinum. See solid gold rings and sterling silver engagement rings.

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