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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.

Oval Cut Rose Quartz Leaf Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold, featuring a pink rose quartz center with diamond accents on an intricate nature-inspired rose gold band.
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.

Esme Labradorite & Black Onyx Engagement Ring in 14K White Gold

from $1,845

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per 

Crescent Moon Ruby Engagement Ring Set in 14K Solid Yellow Gold featuring a vibrant marquise-cut ruby center stone flanked by delicate crescent moon accents and sparkling round diamonds, designed by Aquamarise Gold.

Crescent Moon Ruby Engagement Ring Set in 14K Solid Yellow Gold

from $1,945

Unit price
per 

Enchanted Garden Green Moss Agate & Fire Opal Ring in 14K Solid Rose Gold featuring a detailed moss agate center stone with fire opal side accents in an elegant rose gold setting.
Alexandrite & Moonstone Dainty Engagement Ring in 14K White Gold featuring a pear-shaped alexandrite, marquise moonstone, and small diamond accent in a delicate band design.

Alexandrite & Moonstone Dainty Engagement Ring in 14K White Gold

from $1,815

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per 

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.
Esme Lab-Grown Diamond & Alexandrite Ring- 14K White Gold (IGI Certified) featuring a marquise-cut lab-grown diamond flanked by oval-shaped alexandrite stones with delicate diamond accents on a sculpted white gold band by Aquamarise Gold, part of Solid Gold Engagement Rings, April and June Birthstone Jewelry, and Nature-Inspired Engagement Rings collections.
An engagement ring set featuring a crescent moon design with a blue starry center stone, placed on a rock surface.

Crescent Moon Starry Night Engagement Ring Set in 14K White Gold

from $1,845

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per 

Wisteria Aquamarine Fairy Leaf Ring- 14K White Gold (Two Piece) by Aquamarise Gold, featuring aquamarine center and leaf-inspired white gold band with delicate blue gemstone accents.
Marquise Cut Lab-Grown Diamond & Moss Agate Engagement Ring Set in 14K White Gold (IGI Certified) by Aquamarise Gold, featuring a marquise-cut lab-grown diamond center with delicate moss agate and white diamond leaf accents, blending nature-inspired elegance and fantasy charm from the Solid Gold Engagement Rings and Nature-Inspired Engagement Rings collections.
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.
Celtic Hexagon Morganite Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold, featuring a hexagon-cut morganite and sparkling diamonds in a unique Celtic-inspired design.
Natural Amethyst Engagement Ring Set in 14K White Gold by Aquamarise featuring a princess-cut amethyst centerpiece with sparkling diamond accents on an elegant white gold band, part of Solid Gold Engagement Rings and February Birthstone collections.

Natural Amethyst Engagement Ring Set in 14K White Gold

from $2,045

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per 

Vintage Tanzanite Ring Set in 14K White Gold featuring a pear-shaped deep purple tanzanite center stone accented by a delicate white gold band with diamond details, crafted by Aquamarise Gold from the December Birthstone and Solid Gold Engagement Rings collections.

Vintage Tanzanite Ring Set in 14K White Gold

from $2,145

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per 

Moissanite & Crescent Moon Constellation Couples Ring Set featuring a marquise-cut moissanite center flanked by crescent and star accents in polished sterling silver by Aquamarise, part of Matching Couples' Rings and Best Selling Jewelry collections.
Lab-Grown Diamond Leaf Engagement Ring in 14K Solid Yellow Gold (IGI Certified) featuring an oval center diamond surrounded by delicate leaf-shaped accents set on a nature-inspired band, crafted by Aquamarise Gold.

Moissanite Leaf Engagement Ring in 14K Solid Yellow Gold

from $2,045

Unit price
per 

Starburst Alexandrite Engagement Ring in 14K White Gold by Aquamarise Gold featuring a vibrant alexandrite center stone with halo and pavé diamond accents in a unique, fantasy-inspired design.

Starburst Alexandrite Engagement Ring Set in 14K White Gold

from $1,665

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per 

Skye Kite® Blue Sapphire Ring Set in 14K Solid Yellow Gold featuring a striking kite-cut blue sapphire centerpiece with diamond accents by Aquamarise Gold, from the Skye Kite® Jewelry Collection.

Skye Kite® Blue Sapphire Ring Set in 14K Solid Yellow Gold

from $2,195

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per 

Skylar Kite Cut Aquamarine Engagement Ring Set in 14K White Gold featuring a kite-shaped aquamarine with moissanite accents by Aquamarise Gold, from Solid Gold Engagement Rings collection.

Skylar Kite Cut Aquamarine Engagement Ring Set in 14K White Gold

from $2,145

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per 

Entwined Natural Australian Opal Engagement Ring in 14K Solid Yellow Gold by Aquamarise Gold, featuring a luminous opal center with intertwined diamond-accented yellow gold band.
Starry Night & Black Onyx Engagement Ring Set in 14K White Gold by Aquamarise Gold, featuring a kite-cut celestial blue sandstone surrounded by black onyx accents on polished white gold bands.

Starry Night & Black Onyx Engagement Ring Set in 14K White Gold

from $1,895

Unit price
per 

Lab-Grown Oval Cut Cornflower Sapphire Leaf Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold with intricate leaf details and a vibrant oval cornflower sapphire center stone.
Delicate Maeve Emerald Couples Ring Set featuring a vibrant green emerald center stone with sparkling diamonds set in 14k yellow gold, crafted by Aquamarise, a nature-inspired matching couples ring.

Maeve Emerald Fairy Engagement Ring in 14K Solid Yellow Gold

from $1,995

Unit price
per 

Esme Lab-Grown Diamond Engagement Ring in 14K Solid Yellow Gold (IGI Certified) by Aquamarise Gold, featuring an intricate floral-inspired design with a marquise-cut lab-grown diamond centerpiece and delicate side stones, part of Solid Gold Engagement Rings and Nature-Inspired Engagement Rings collections.
Esme Red Goldstone & Orange Sapphire Ring in Sterling Silver by Aquamarise featuring a sparkling red goldstone cabochon with vibrant orange sapphires and delicate silver detailing in a vintage-inspired design.
Sale

Esme Red Goldstone & Orange Sapphire Ring in Sterling Silver

Regular price $225.00 $135.00 (-40%)

Opalescent blue sapphire black onyx ring set in sterling silver
Sale

Opalescent Blue Sapphire & Black Onyx Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

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per 

Midnight Blue Sapphire Couples Ring Set in rose gold with a striking coffin-shaped sapphire and diamond accents, crafted by Aquamarise for Matching Couples' Rings and Sapphire Jewelry collections.
Sale

Midnight Blue Sapphire Ring Set in 14K Rose Gold Vermeil

Regular price $195 $165 (-15%)

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per 

Green Moss Agate Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold, featuring a hexagon moss agate stone with diamond accents in a nature-inspired modern design.
Sale

Hexagon Coffin Green Moss Agate Ring Set in 14K Rose Gold Vermeil

Regular price $195 $165 (-15%)

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per 

Green gemstone earrings with rose gold setting on a white and purple gradient background
Sale

Toi Et Moi Green Moss Agate Ring in 14K Rose Gold Vermeil

Regular price $155 $93 (-40%)

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per 

Hexagon Green Moss Agate Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring a natural moss agate hexagon cut with geometric side stones in a delicate rose gold setting.
Sale

Hexagon Green Moss Agate Ring in 14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

Unit price
per 

Brown Champagne Moissanite & Black Onyx Engagement Ring in 14K Solid Yellow Gold by Aquamarise Gold featuring a sleek modern design with contrasting dark onyx and warm champagne moissanite gemstones.
Sale

Smoky Quartz & Black Onyx Ring in 14K Yellow Gold Vermeil

Regular price $135 $81 (-40%)

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per 

Silver ring with a blue gemstone and diamond accents on a light purple background
Sale

East West Aquamarine Ring in Sterling Silver

Regular price $160 $135 (-16%)

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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