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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.

Rose gold ring with a large diamond and smaller diamonds on a soft focus background
Rose gold ring with a large diamond and smaller diamonds on a soft focus background
Diamond ring with a purple gemstone on a white surface with a blurred purple background

Oval Cut Gray Moissanite Engagement Ring in 14K White Gold

from $1,785

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per 

Diamond ring with emerald-cut center stone and halo on a light purple background
Sale

White Sapphire Emerald Cut Engagement Ring in Sterling Silver

Regular price $160 $135 (-16%)

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per 

Fairy Queen Moss Agate Engagement Ring, Marquise Cut Moss Agate Ring, Fairy Core Twisted Vine Leaf Ring, Emerald Accent Dainty Band
Elegant silver ring with a blue gemstone on a reflective surface

Midnight Fairy Blue Moissanite Engagement Ring in 14K White Gold

from $2,185

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per 

Silver ring with a pink gemstone on a white background

Lavender Fairy Moissanite Engagement Ring Set in 14K White Gold

from $2,185

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per 

Silver ring with a colorful gemstone on a white background
Elongated Cushion Moissanite Engagement Ring in Solid 14K Yellow Gold
Victoria Australian Opal Engagement Ring in Solid 14K Rose Gold

Victoria Australian Opal Engagement Ring in Solid 14K Rose Gold

from $1,945

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per 

Victoria Tanzanite Engagement Ring in Solid 14K Rose Gold

Victoria Tanzanite Engagement Ring in Solid 14K Rose Gold

from $2,245

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per 

Victoria Moonstone Engagement Ring in Solid 14K Rose Gold

Victoria Moonstone Engagement Ring in Solid 14K Rose Gold

from $1,945

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per 

Australian Opal Leaf Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a luminous oval Australian opal center stone accented with delicate pink opal and sparkling white stones on a finely engraved leaf-inspired band from nature-inspired and solid gold engagement ring collections.

Australian Opal Leaf Engagement Ring in 14K White Gold

from $1,685

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per 

Moss Agate & Fire Opal Fairy Leaf Ring

Moss Agate & Fire Opal Fairy Leaf Ring in 14K White Gold

from $1,685

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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 Engagement Ring in 14K White Gold

from $1,785

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per 

Silver ring with a red gemstone on a reflective surface with a blurred purple background
Silver ring with a green gemstone and smaller blue stones on a white background

Arwen Moss Agate & Moonstone Ring in 14K White Gold

from $1,685

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per 

Lavender Moissanite Fairy Leaf Ring in 14K Rose Gold Vermeil

Lavender Moissanite Leaf Engagement in Solid 14K Rose Gold

from $1,445

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per 

Rose gold ring with a teardrop-shaped blue gemstone and diamond accents on a light purple background.

Lab Alexandrite Halo Engagement Ring in Solid 14K Rose Gold

from $2,495

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per 

Gold ring with purple gemstones on a reflective surface with a blurred background

Feyra Starry Night & Amethyst Ring Set in Solid 14K Yellow Gold

from $2,495

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per 

Ring with a pink diamond and diamond halo on a light purple background

Natural Pear Morganite Halo Engagement Ring in 14K White Gold

from $2,185

Unit price
per 

Ring with a green gemstone and opal accents on a white surface with a blurred background

Oval Moss Agate Engagement Ring with Opal in 14K White Gold

from $1,685

Unit price
per 

Ring with pink gemstone and diamond accents on a light purple background
Marquise Moissanite Engagement Ring in Solid 14K Yellow Gold by Aquamarise Gold, featuring a luminous marquise-cut moissanite center stone flanked by smaller accent stones on a polished yellow gold band, part of Solid Gold Engagement Rings and Moissanite Engagement Rings collections.

Marquise Moissanite Engagement Ring in Solid 14K Yellow Gold

from $2,165

Unit price
per 

Marquise Moissanite Engagement Ring in Solid 14K Yellow Gold by Aquamarise Gold, featuring a luminous marquise-cut moissanite center stone flanked by smaller accent stones on a polished yellow gold band, part of Solid Gold Engagement Rings and Moissanite Engagement Rings collections.
Teal Moissanite Marquise Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a striking marquise teal moissanite center stone flanked by sparkling colorless moissanite accents, a unique design from the Solid Gold Moissanite Engagement Rings collection.

Teal Moissanite Marquise Engagement Ring in 14K White Gold

from $2,175

Unit price
per 

Moss Agate, Peacock Opal & Whiskey Barrel Wood Couples Ring Set featuring a marquise moss agate centerpiece with delicate green accents on a rose gold band, crafted by Aquamarise in a nature-inspired, matching design.
Coffin Cut Moissanite Bridal Set in 14K White Gold by Aquamarise Gold, featuring an elongated coffin-cut moissanite center stone surrounded by sparkling accent diamonds in a delicate, intricately crafted band, part of Solid Gold Engagement Rings and Moissanite Engagement Rings collections.

Coffin Cut Moissanite Bridal Set in 14K White Gold

from $2,245

Unit price
per 

Coffin Cut Moissanite Bridal Set in 14K White Gold by Aquamarise Gold, featuring an elongated coffin-cut moissanite center stone surrounded by sparkling accent diamonds in a delicate, intricately crafted band, part of Solid Gold Engagement Rings and Moissanite Engagement Rings collections.

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Ships from USA

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Ethically Crafted

Sustainably Sourced Materials

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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