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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.

Skye Kite® Green Moss Agate Engagement Ring Set in 14K White Gold by Aquamarise Gold featuring a kite-cut moss agate with sparkling diamond accents on a delicate white gold band.
Sale

Skye Kite® Green Moss Agate Ring in Sterling Silver

Regular price $160 $135 (-16%)

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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.
Sale

Skye Kite® Green Moss Agate Ring Set in 14K Yellow Gold Vermeil

Regular price $200 $170 (-15%)

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Skye Kite® Natural Herkimer Diamond Engagement Ring Set in 14K White Gold (Salt & Pepper Diamond) by Aquamarise Gold, featuring a kite-cut salt and pepper diamond with sparkling white gold accents.
Sale

Skye Kite® Galaxy Raw Herkimer Diamond Ring Set in Sterling Silver (Salt & Pepper Diamond)

Regular price $175 $150 (-14%)

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Skye Kite® Natural Red Garnet Couples Ring Set by Aquamarise featuring a striking red garnet center with pear and round white stones on black-finish bands, a bold symbol of love.
Emerald Leaf Ring Guard in 14K Solid Rose Gold by Aquamarise Gold, featuring intricate leaf and vine design with lab-grown emeralds and sparkling accents for nature-inspired elegance.
Sale

Moss Agate & Emerald Fairy Leaf Ring in 14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

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Aquamarine & Moonstone Fairy Leaf Ring Set- Sterling Silver featuring an ice-blue aquamarine center stone with delicate moonstone accents in a nature-inspired sterling silver design by Aquamarise.
Sale

Aquamarine & Moonstone Fairy Leaf Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

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A sterling silver engagement ring set featuring a round-cut blue goldstone center stone with a crescent moon-inspired band, displayed against a purple background.
Sale

Starry Night Crescent Moon Engagement Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

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Feyra Starry Night & Amethyst Couples Ring Set featuring a pear-shaped dark blue sandstone center stone surrounded by vibrant amethyst gemstones set in a delicate rose gold band, crafted by Aquamarise for Matching Couples' Rings and February Birthstone collections.
Sale

Feyra Starry Night & Amethyst Ring Set in 14K Rose Gold Vermeil

Regular price $200 $170 (-15%)

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Skye Kite® Green Moss Agate Engagement Ring Set in 14K White Gold by Aquamarise Gold featuring a kite-cut moss agate center with diamond accents on a white gold band.
Sale

Skye Kite® Green Moss Agate Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

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Starry Night Couples Ring Set- Night Court Inspired by Aquamarise, featuring a sparkling blue sandstone center with diamond accents, a celestial-inspired design for matching couples rings.
Sale

Starry Night Engagement Ring in Sterling Silver (Hidden Halo)

Regular price $160 $135 (-16%)

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Skye Kite® Starry Night Engagement Ring Set in 14K White Gold by Aquamarise Gold, featuring a deep blue kite-cut stone with sparkling diamond accents from the Starry Night™ Rings collection.
Sale

Skye Kite® Starry Night Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

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Oval Cut Lab-Grown Diamond & Amethyst Leaf Engagement Ring Set in 14K White Gold (IGI Certified) featuring a detailed nature-inspired band with sparkling lab-grown diamonds and purple amethyst accents, crafted by Aquamarise Gold.
Sale

Fairy Amethyst & Simulated Diamond Engagement Leaf Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

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Skye Kite® Galaxy Herkimer Diamond & Meteorite Couples Ring Set by Aquamarise, featuring a marquise Herkimer diamond with white accent stones on black ruthenium bands.
Sale

Skye Kite® Galaxy Herkimer Diamond Ring Set in Black Ruthenium

Regular price $195 $165 (-15%)

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An elegant two-piece engagement ring set in 14K white gold featuring a teardrop-shaped lab-grown alexandrite centerpiece with accompanying leaf motifs and small accent stones.
Sale

Wisteria Alexandrite Fairy Leaf Ring in Sterling Silver (Two Piece)

Regular price $185 $155 (-16%)

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Wisteria alexandrite fairy leaf two piece ring set in black ruthenium
Sale

Wisteria Alexandrite Fairy Leaf Ring in Black Ruthenium (Two Piece)

Regular price $220 $185 (-16%)

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Kite Galaxy Sandstone (Starry Night) Ring Set- Black Ruthenium by Aquamarise, featuring a black ruthenium band with sparkling galaxy sandstone and clear accent stones in a celestial design.
Sale

Kite Galaxy Sandstone (Starry Night) Ring Set in Black Ruthenium

Regular price $175 $150 (-14%)

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Skye Kite® Lab-Grown Diamond Engagement Ring Set in 14K White Gold (IGI Certified) by Aquamarise Gold featuring a kite-cut center diamond with marquise and round white stones on a delicate white gold band.
Sale

Skye Kite® Simulated Diamond Bridal Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

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Cornflower Blue Sapphire Leaf Engagement Ring in Black Ruthenium
Sale

Cornflower Blue Sapphire Leaf Engagement Ring in Black Ruthenium

Regular price $160 $135 (-16%)

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Skye Kite® Peacock Fire Opal & Emerald Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold featuring a vibrant kite-shaped opal and sparkling emeralds in a unique rose gold setting.
Sale

Skye Kite® Peacock Fire Opal & Emerald Engagement Ring Set in 14K Rose Gold Vermeil

Regular price $195 $165 (-15%)

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A 14K white gold ring with an oval-shaped gray moissanite center stone and black onyx accents on a plain background.
Sale

Esme Gray Moissanite & Black Onyx Ring in Sterling Silver

Regular price $190 $160 (-16%)

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Alice Rainbow Moonstone Couples Ring Set by Aquamarise featuring a pear-shaped moonstone surrounded by delicate diamond accents in a unique, ethereal design for matching couples rings.
Sale

Alice Teardrop Moonstone Engagement Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

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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.
Sale

Skye Kite® Rutilated Quartz & Black Onyx Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

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A lab-grown diamond and amethyst ring set in 14K white gold, featuring a teardrop-shaped center diamond surrounded by a halo of round amethyst stones on a textured background.
Sale

Feyra Natural Amethyst & Simulated Diamond Engagement Ring Set in Sterling Silver

Regular price $185 $155 (-16%)

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Starry Night & Opal Leaf Ring in Sterling Silver
Sale

Starry Night & Opal Leaf Ring in Sterling Silver

Regular price $160 $135 (-16%)

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per 

Lilith Coffin Cut Natural Red Garnet Couples Ring Set by Aquamarise featuring a bold coffin-shaped garnet with black finish and sparkling diamond accents, from matching couples' rings collection.

Lilith Red Garnet Coffin Ring Set in Black Ruthenium

$145

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Moss Agate & Emerald Fairy Leaf Couples Ring Set by Aquamarise featuring a nature-inspired sterling silver band with a moss agate center stone, accented with emerald and sparkling clear gemstones, part of Matching Couples’ Rings and May Birthstone Jewelry collections.
Sale

Green Moss Agate & Emerald Fairy Leaf Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

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Starry Night & Sapphire Leaf Ring Set- 14K White Gold featuring a deep blue sapphire center stone surrounded by delicate leaf motifs with small blue and white gemstones, crafted by Aquamarise Gold from nature-inspired and starry night collections.
Sale

Starry Night & Sapphire Leaf Engagement Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

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Skye Kite® Green Moss Agate Engagement Ring Set in 14K Rose Gold Vermeil with kite-cut moss agate and sparkling accent stones by Aquamarise.
Sale

Skye Kite® Green Moss Agate Engagement Ring Set in 14K Rose Gold Vermeil

Regular price $200 $170 (-15%)

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Elain Black Onyx Couples Ring Set featuring a marquise black onyx center stone with delicate silver detailing and amethyst accents by Aquamarise, a matching couples ring from Lovers of the Dark™ collection.
Sale

Elain Black Onyx Dark Fairy Leaf Ring in Sterling Silver

Regular price $160 $135 (-16%)

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Lilith Coffin Cut Natural Herkimer Diamond Ring Set in 14K White Gold by Aquamarise Gold, featuring a unique coffin-cut salt and pepper diamond with intricate white gold and diamond accents.
Sale

Lilith Natural Herkimer Diamond Ring Set in Sterling Silver

Regular price $175 $150 (-14%)

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per 

Skye Kite® Alexandrite Engagement Ring Set in 14K White Gold by Aquamarise Gold featuring a kite-shaped alexandrite with diamond accents in a modern, fantasy-inspired design.
Sale

Skye Kite® Alexandrite Ring Set in Sterling Silver

Regular price $195 $165 (-15%)

Unit price
per 

Starry Night Van Gogh Fire Opal & Rose Gold Leaf Couples Ring Set by Aquamarise, featuring a vibrant oval fire opal centerpiece surrounded by delicate violet gemstones and rose gold leaf-inspired accents, part of Matching Couples' Rings and October Birthstone collections.
Sale

Starry Night Blue Fire Opal & Sapphire Ring in 14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

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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.

From the Blog

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Moss Agate Engagement Rings Guide

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Green Engagement Rings: The Complete Guide to Every Green Gemstone

Green Engagement Rings: The Complete Guide to Every Green Gemstone

Do green engagement rings hold up to daily wear? Yes — but the right green stone depends entirely on your lifestyle and setting choice. The complete breakdown of every green...

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