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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.

Fireworks Cut Aquamarine Couples Ring Set by Aquamarise featuring a sparkling oval aquamarine center stone with intricate silver band accents and small diamond details, part of Matching Couples' Rings and March Birthstone Jewelry collections.

Celtic Aquamarine Engagement Ring Set in 14K White Gold

from $2,245

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per 

Maeve Green Moss Agate Ring- 14K Solid Rose Gold by Aquamarise Gold, featuring an oval green moss agate gemstone set in an ornate rose gold band accented with sparkling white stones, blending vintage charm with nature-inspired elegance.

Maeve Green Moss Agate Ring in 14K Solid Rose Gold

from $2,175

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per 

Borealis Tanzanite & Teal Sapphire Couples Ring Set (Mountain Range) by Aquamarise, showcasing a marquise-cut tanzanite flanked by teal sapphire heart accents and delicate diamond details, part of Matching Couples' Rings and September and December Birthstone Jewelry collections.

Elain Tanzanite & Teal Sapphire Fairy Ring in 14K White Gold

from $2,135

Unit price
per 

A two-piece gold ring set, featuring a teardrop-shaped ruby center stone with a feather design band, placed against a purple and gray background.
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.
Rose gold ring with a blue gemstone and small diamonds on a light purple background
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 Ruby Engagement Ring Set in 14K White Gold

from $1,985

Unit price
per 

Skye Kite® Rutilated Quartz & Black Onyx Ring Set in Sterling Silver by Aquamarise, featuring kite-cut quartz with black rutile inclusions and black onyx accents in a fantasy-inspired design.
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.

Lily Vintage Emerald Flower Engagement Ring in 14K White Gold

from $2,095

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per 

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.

Victoria Emerald Ring in 14K Solid Yellow Gold

from $2,195

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per 

Starry Night (Sandstone) Engagement Ring in 14K White Gold featuring an emerald-cut Galaxy Sandstone with sparkling diamond accents and an intricate band by Aquamarise Gold.

Starry Night (Sandstone) Engagement Ring in 14K White Gold

from $1,815

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per 

Hexagon Coffin Rutilated Quartz Geometric Engagement Ring Set in 14K White Gold by Aquamarise Gold featuring a unique rutilated quartz centerpiece with diamond accents on white gold bands.
Galaxy Sandstone (Starry Night) Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold, featuring a coffin cut starry blue sandstone with diamond accents in a celestial-inspired design.
Natural Red Garnet Leaf Engagement Ring in 14K Solid Yellow Gold featuring a vibrant oval garnet surrounded by smaller garnets in a delicate leaf-inspired design by Aquamarise Gold.

Natural Red Garnet Leaf Engagement Ring in 14K Solid Yellow Gold

from $2,195

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per 

Green Moss Agate and Fire Opal Leaf Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold featuring nature-inspired design with moss agate and glowing fire opal accents.
Green Moss Agate Leaf Engagement Ring in 14K White Gold by Aquamarise Gold featuring an oval moss agate center stone with diamond-accented leaf motifs in a nature-inspired design.

Green Moss Agate Leaf Engagement Ring in 14K White Gold

from $2,045

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per 

Art Deco Mosaic Morganite Couples Ring Set by Aquamarise featuring a rectangular pink morganite center stone surrounded by diamond accents on a sterling silver band.

Art Deco Mosaic Morganite Engagement Ring in 14K White Gold

from $2,115

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per 

Emerie Moss Agate & Opalescent Sapphire Engagement Ring Set in 14K Solid Rose Gold featuring a marquise moss agate center flanked by opalescent sapphires and sparkling diamonds, crafted by Aquamarise Gold from nature-inspired and birthstone collections.
Teardrop Morganite & Fire Opal Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold featuring a pear-shaped morganite center with fire opal and diamond accents on an elegant band.
Hexagon Natural Red Garnet & Black Onyx Engagement Ring in 14K White Gold featuring a hexagon-cut red garnet center with marquise and round black onyx accents by Aquamarise Gold.
Princess Cut Black Onyx Engagement Ring Set in 14K/18K White Gold by Aquamarise Gold, featuring a princess-cut black onyx with delicate diamond accents in a modern, elegant design.
Natural Amethyst & Fire Opal Engagement Ring in 14K White Gold by Aquamarise Gold featuring a pear-shaped amethyst center with opal and diamond accents on a delicate white gold band.

Natural Amethyst & Fire Opal Engagement Ring in 14K White Gold

from $1,995

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per 

Silver ring with a blue gemstone on a light purple background

Esme Aquamarine & Opalescent Sapphire Ring in 14K White Gold

from $2,035

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per 

Hexagon Emerald & Moss Agate Leaf Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a hexagon emerald center with moss agate marquise and white gold band design.
Oval Cut Lab-Grown Emerald Leaf Engagement Ring in 14K White Gold by Aquamarise Gold, featuring a vivid oval emerald and leaf-inspired accents from the Nature-Inspired Engagement Rings collection.
Blue Sapphire & Black Onyx Leaf Engagement Ring- 14K White Gold by Aquamarise Gold, featuring an emerald-cut blue sapphire center with black onyx accents in a nature-inspired leaf design.

Blue Sapphire & Black Onyx Leaf Engagement Ring- 14K White Gold

from $1,885

Unit price
per 

Moss Agate Fairy Leaf Ring Set in 14K White Gold by Aquamarise Gold, featuring a green moss agate center surrounded by leaf and diamond accents, embodying nature-inspired elegance.

Moss Agate Fairy Leaf Ring Set in 14K White Gold

from $1,975

Unit price
per 

Art Deco London Blue Topaz Engagement Ring in 14K Solid Yellow Gold by Aquamarise Gold, featuring an emerald-cut blue topaz with diamond accents in a vintage-inspired design.
Adeline Unique Fireworks Cut Morganite Couples Ring Set by Aquamarise featuring a marquise-cut pink morganite center stone surrounded by crushed diamond cubic zirconia accents on a polished sterling silver and tungsten band, part of Matching Couples' Rings and Fantasy-Inspired Jewelry collections.
Starry Night and Crescent Moon Fire Opal Ring- 14K Solid Yellow Gold by Aquamarise Gold, featuring a rectangular glittering galaxy sandstone center, flanked by crescent moon-shaped fire opals and deep blue sapphires on a polished yellow gold band.
Padparadscha Fantasy Cut Orange Sapphire Leaf Ring- 14K Solid Yellow Gold by Aquamarise Gold, featuring an oval padparadscha sapphire surrounded by marquise and round white gemstones on a delicate yellow gold band, part of Solid Gold Engagement Rings, September Birthstone Jewelry, and Fantasy-Inspired Engagement Rings collections.

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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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