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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.

Belle Cushion Cut Natural Morganite Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring a cushion-cut morganite surrounded by pavé diamonds on a rose gold band.
Ella Alexandrite Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold features a dazzling round alexandrite center stone surrounded by a halo of sparkling diamonds on a finely detailed rose gold band, part of Solid Gold Engagement Rings and June Birthstone Jewelry collections.

Ella Alexandrite Engagement Ring in 14K Solid Rose Gold

from $2,095

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per 

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.

Ellie Princess Cut Amethyst Engagement Ring in 14K White Gold

from $2,195

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per 

Ellie Princess Cut Lab-Grown Blue Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold featuring a radiant princess-cut blue diamond with sparkling side stones.

Ellie Princess Cut Aquamarine Engagement Ring in 14K White Gold

from $2,195

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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 in 14K White Gold

from $2,095

Unit price
per 

Princess Cut Alexandrite Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring a vibrant princess-cut alexandrite with diamond accents on a polished rose gold band.

Princess Cut Alexandrite Engagement Ring in 14K Solid Rose Gold

from $2,095

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per 

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.
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.

Flair Teardrop Moissanite Engagement Ring in 14K White Gold

from $2,145

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per 

Kite Green Moss Agate Bezel Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold, featuring kite-shaped moss agate and sparkling diamonds in an elegant vintage-inspired design.
Teardrop Alexandrite Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a pear-shaped color-changing alexandrite with a pavé diamond halo for unique and elegant engagement jewelry.

Teardrop Alexandrite Engagement Ring in 14K White Gold

from $2,095

Unit price
per 

Gray Moissanite Crescent Moon Couples Ring Set by Aquamarise featuring a marquise-cut gray moissanite center stone accented by crescent moon motifs and small diamonds on polished silver bands, from Matching Couples' Rings and Moissanite Gemstone Jewelry collections.
Esme Oval Cut Teal Moissanite Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a vibrant teal center stone with sparkling accents in a nature-inspired design.

Esme Oval Cut Teal Moissanite Engagement Ring in 14K White Gold

from $2,175

Unit price
per 

Belle Cushion Cut Natural Morganite Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a pink cushion-cut morganite surrounded by sparkling diamonds on a white gold band.
Cushion Cut Natural Tanzanite Engagement Ring in 14K White Gold (Hidden Halo) by Aquamarise Gold, featuring a vibrant cushion tanzanite and subtle hidden halo on a white gold band.
Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold, featuring a pear-shaped center diamond with a halo and intricate band details, from Solid Gold Engagement Rings.

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

from $2,497.95

Unit price
per 

Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold, featuring a pear-shaped center diamond with a halo and intricate band details, from Solid Gold Engagement Rings.

Pear Cut Moissanite Engagement Ring in 14K White Gold

from $2,345

Unit price
per 

Princess Cut Rutilated Quartz Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold, featuring a unique rutilated quartz center with sparkling diamond accents in a modern rose gold setting.
Bella Oval Cut Pink Sapphire Engagement Ring Set in 14K White Gold by Aquamarise Gold featuring an oval pink sapphire with diamond accents on a polished white gold band.
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.
Bella Oval Cut Teal Sapphire Engagement Ring Set in 14K White Gold by Aquamarise Gold, featuring an oval teal sapphire with sparkling diamond accents in a sophisticated, elegant design.
Starburst Natural Moonstone Engagement Ring in 14K White Gold by Aquamarise Gold featuring an oval moonstone surrounded by marquise and round diamonds on a polished white gold band.

Starburst Natural Moonstone Engagement Ring in 14K White Gold

from $2,095

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per 

Cordelia Oval Cut Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold featuring a vintage-inspired oval diamond with halo and intricate milgrain detailing.
Cordelia Oval Cut Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold featuring a vintage-inspired oval diamond with halo and intricate milgrain detailing.

Cordelia Oval Cut Moissanite Engagement Ring in 14K White Gold

from $2,145

Unit price
per 

Lab-Grown Diamond Leaf Engagement Ring Set in 14K Solid Rose Gold (IGI Certified) by Aquamarise Gold, featuring nature-inspired design with sparkling diamonds and twisted band detail.
Lab-Grown Diamond Leaf Engagement Ring Set in 14K Solid Rose Gold (IGI Certified) by Aquamarise Gold, featuring nature-inspired design with sparkling diamonds and twisted band detail.

Moissanite Leaf Engagement Ring Set in 14K Solid Rose Gold

from $2,145

Unit price
per 

Joelle Vintage Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold, featuring a radiant round-cut lab-grown diamond with vintage-inspired halo and detailed band design.
Joelle Vintage Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold, featuring a radiant round-cut lab-grown diamond with vintage-inspired halo and detailed band design.

Joelle Starburst Moissanite Engagement Ring in 14K White Gold

from $2,145

Unit price
per 

Belle Cushion Cut Natural Citrine Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a radiant cushion-cut citrine surrounded by sparkling white stones on a delicate white gold band.
Joelle Vintage Aquamarine Engagement Ring in 14K White Gold by Aquamarise Gold featuring a round aquamarine center surrounded by sparkling diamond accents in a vintage-inspired setting.

Joelle Vintage Aquamarine Engagement Ring in 14K White Gold

from $2,195

Unit price
per 

Everly Oval Cut Aquamarine Engagement Ring in 14K White Gold by Aquamarise Gold featuring a sparkling oval aquamarine with two round diamond accents on a polished white gold band.

Everly Oval Cut Aquamarine Engagement Ring in 14K White Gold

from $2,095

Unit price
per 

Everly Oval Cut Ruby Engagement Ring in 14K White Gold featuring a vibrant oval ruby center flanked by two sparkling round diamonds on a polished white gold band by Aquamarise Gold.

Everly Oval Cut Ruby Engagement Ring in 14K White Gold

from $2,095

Unit price
per 

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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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