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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.

An Alexandrite & Cornflower Sapphire Fairy Leaf Ring set in 14K White Gold, with a color-changing alexandrite center stone and sparkling cornflower sapphires arranged in a leaf pattern on a textured background.
Orion Nebula™ & Cornflower Sapphire Leaf Couples Ring Set from Aquamarise featuring a silver band with vivid cornflower sapphire gemstones in a delicate leaf design for matching couples rings.
Celtic Green Moss Agate Engagement Ring Set in 14K Solid Yellow Gold by Aquamarise Gold, featuring pear-cut green moss agate with diamond accents in a unique Celtic-inspired design.
Green Moss Agate Leaf Engagement Ring Set in 14K Solid Yellow Gold by Aquamarise Gold, showcasing a pear-shaped green moss agate centerpiece with delicate leaf motifs and diamond accents, part of nature-inspired and non-traditional engagement ring collections.
Enchanted Rose Red Garnet Ring- 14K Rose Gold Vermeil by Aquamarise, featuring a round red garnet set within a delicate rose-shaped bezel on a smooth rose gold vermeil band, part of Rose Gold Vermeil Rings and January Birthstone Jewelry collections.
Sale

Enchanted Rose Red Garnet Ring in 14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

Unit price
per 

Emerie Lab-Grown Diamond and Emerald Engagement Ring Set in 14K White Gold (IGI Certified) by Aquamarise Gold, featuring a marquise cut lab-grown diamond center with marquise emerald accents and sparkling diamonds, part of Solid Gold Engagement Rings, April and May Birthstone Jewelry, and Nature-Inspired Engagement Rings collections.
Elain Marquise Pink Sapphire Fairy Leaf Engagement Ring in 14K Solid Yellow Gold featuring a marquise-cut pink sapphire center with heart-shaped diamond accents and intricate leaf-inspired detailing, by Aquamarise Gold.
Opalescent Blue Sapphire Mermaid Engagement Ring in Sterling Silver by Aquamarise, featuring a rectangular light blue sapphire center flanked by triangular opalescent accents and sparkling diamonds on a delicate sterling silver band, part of Sterling Silver Rings, September Birthstone Jewelry, Engagement Rings for Women, and Nature-Inspired Engagement Rings collections.
Sale

Opalescent Blue Sapphire Mermaid Engagement Ring in Sterling Silver

Regular price $160 $135 (-16%)

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per 

Ring with a pink diamond and smaller clear diamonds on a reflective surface with a blurred purple background
Sale

Kite Morganite Ring in Sterling Silver

Regular price $160 $135 (-16%)

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per 

Teardrop Aquamarine & Tanzanite Ring in Sterling Silver by Aquamarise featuring pear-cut aquamarine, tanzanite, and a small clear gemstone in a minimalist sterling silver band.
Sale

Teardrop Aquamarine & Tanzanite Ring in Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Green Moss Agate Ring in 14K Rose Gold Vermeil by Aquamarise featuring a rectangular moss agate center stone flanked by two clear baguette-cut gemstones on a polished rose gold band.
Sale

Green Moss Agate Ring in 14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

Unit price
per 

Raspberry Tourmaline Solitaire Engagement Ring in Sterling Silver with an emerald-cut red gemstone set in a minimalist polished band by Aquamarise, perfect for October birthstone jewelry.
Sale

Raspberry Tourmaline Solitaire Engagement Ring in Sterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Sophia Round Cut Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold featuring a twisted pavé diamond band and sparkling round center stone.
Emerald Cut Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold, featuring scalloped pavé diamonds and a diamond-encrusted gallery.

Emerald Cut Moissanite Engagement Ring in 14K White Gold

from $2,195

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per 

Teardrop Alexandrite Ring in 14K Rose Gold Vermeil by Aquamarise, featuring a color-shifting pear-shaped alexandrite surrounded by sparkling diamonds on a rose gold vermeil band.
Sale

Teardrop Alexandrite Ring in 14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

Unit price
per 

Simulated Diamond Teardrop Engagement Ring in Sterling Silver by Aquamarise, featuring a pear-shaped simulated diamond halo set on a polished sterling silver band with delicate accent stones.
Sale

Simulated Diamond Teardrop Engagement Ring in Sterling Silver

Regular price $140 $98 (-30%)

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per 

Ellie Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold, featuring a princess-cut center diamond with delicate round diamond accents on a sleek band.

Ellie Princess Cut Moissanite Engagement Ring in 14K White Gold

from $2,095

Unit price
per 

Iris Green Amethyst Engagement Ring in 14K White Gold by Aquamarise Gold, showcasing a radiant light green amethyst surrounded by a halo of sparkling stones on a pavé diamond band.
Sale

Iris Natural Light Green Amethyst Ring in Sterling Silver

Regular price $160 $135 (-16%)

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per 

Valentina Art Deco Alexandrite Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring an oval alexandrite center with vintage-inspired diamond halo and delicate rose gold band.
Sale

Valentina Vintage Inspired Alexandrite Engagement Ring in 14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

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per 

Iris Simulated Alexandrite Ring- Sterling Silver by Aquamarise, featuring an oval purple simulated alexandrite center with a sparkling pavé diamond halo on a polished sterling silver band.
Sale

Iris Simulated Alexandrite Ring in Sterling Silver

Regular price $170 $145 (-15%)

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per 

An oval ruby engagement ring with a halo of smaller diamonds set in a rose gold band, displayed against a blurred multicolored background.
Sale

Iris Oval Ruby Ring in 14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

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per 

Emerald Cut Sapphire Ring in 14K Rose Gold Vermeil by Aquamarise, featuring a vibrant blue sapphire surrounded by a halo of sparkling diamonds on a rose gold band.
Sale

Emerald Cut Blue Sapphire Ring in 14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

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per 

Astra Oval Cut Alexandrite Engagement Ring in 14K Rose Gold Vermeil by Aquamarise, featuring an oval alexandrite center with diamond halo and pavé diamond accents on the rose gold band.
Sale

Astra Oval Cut Alexandrite Engagement Ring in 14K Rose Gold Vermeil

Regular price $170 $145 (-15%)

Unit price
per 

Valentina Natural Tanzanite Engagement Ring in 14K Solid Yellow Gold by Aquamarise Gold, featuring a vibrant oval tanzanite surrounded by a delicate diamond halo in vintage-inspired design.
Vintage Natural Moonstone Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring a glowing cabochon moonstone with moissanite accents and intricate vintage-inspired band details.
Sale

Natural Moonstone Ring in 14K Rose Gold Vermeil

Regular price $140 $84 (-40%)

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per 

Hexagon Simulated Diamond Ring in Sterling Silver by Aquamarise featuring a hexagon halo of simulated diamonds around a round cubic zirconia center stone on a sterling silver band.

Hexagon Simulated Diamond Ring in Sterling Silver

$115

Unit price
per 

Lunette Natural London Blue Topaz Engagement Ring Set in 14K Solid Rose Gold featuring a teardrop London blue topaz with diamond accents in a rose gold setting by Aquamarise Gold.
Vintage Halo Aquamarine Ring in Sterling Silver by Aquamarise, featuring a vintage-inspired emerald-cut aquamarine surrounded by a milgrain-edged halo with pavé-set shoulders.
Sale

Vintage Halo Aquamarine Ring in Sterling Silver

Regular price $160 $135 (-16%)

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per 

Kite Swiss Blue Topaz Ring Set- Sterling Silver by Aquamarise featuring a kite-cut Swiss blue topaz with sparkling diamond accents on a rhodium-finished sterling silver band.

Kite Swiss Blue Topaz Ring Set- Sterling Silver

$115

Unit price
per 

Ella Green Moss Agate Ring in Sterling Silver by Aquamarise featuring a unique green moss agate center surrounded by delicate sparkling accents on a polished silver band with milgrain detailing.
Sale

Ella Green Moss Agate Ring in Sterling Silver

Regular price $125 $75 (-40%)

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per 

Asscher Lab Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold, featuring a sparkling octagonal halo design with small accent diamonds on a polished band.
Sale

Asscher Cut Vintage Halo White Sapphire Engagement Ring in Sterling Silver

Regular price $160 $135 (-16%)

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per 

Vintage Hexagon Halo round Garnet Ring in 14K Yellow Gold Vermeil by Aquamarise, featuring a 0.85 carat round garnet with hexagon baguette and round simulated diamond halo.
Sale

Vintage Hexagon Halo Round Garnet Ring in 14K Yellow Gold Vermeil

Regular price $175 $150 (-14%)

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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