Your cart

Your cart is empty

Gradient background transitioning from purple to pink

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.

Vintage Garnet Engagement Ring in 14K White Gold by Aquamarise Gold featuring deep red garnet center, moissanite accents, and intricate vintage-inspired white gold band design.

Vintage Garnet Engagement Ring in 14K White Gold

from $1,815

Unit price
per 

Natural London Blue Topaz Engagement Ring in 14K White Gold by Aquamarise Gold featuring an emerald-cut blue topaz center with vintage-inspired diamond accents and detailed band design.

Natural London Blue Topaz Engagement Ring in 14K White Gold

from $1,945

Unit price
per 

Vintage Paraiba Tourmaline Ring in 14K White Gold by Aquamarise Gold featuring a vibrant neon-blue emerald-cut Paraiba tourmaline with intricate vintage-inspired diamond accents and detailed band design.

Vintage Paraiba Tourmaline Engagement Ring in 14K White Gold

from $1,815

Unit price
per 

Padparadscha Sapphire Engagement Ring in 14K White Gold by Aquamarise Gold featuring a vibrant orange sapphire center with intricate vintage-inspired detailing and moissanite accents.

Padparadscha Sapphire Engagement Ring in 14K White Gold

from $1,815

Unit price
per 

Vintage Alexandrite Ring in 14K Solid Rose Gold by Aquamarise Gold featuring a lab-grown alexandrite center surrounded by moissanite accents on an intricately detailed rose gold band.

Vintage Alexandrite Engagement Ring in 14K Rose Gold

from $1,995

Unit price
per 

Rainbow Moonstone Engagement Ring in 14K White Gold by Aquamarise Gold, featuring an oval glowing moonstone with intricate vintage-inspired details and sparkling moissanite accents.

Rainbow Moonstone Engagement Ring in 14K White Gold

from $1,815

Unit price
per 

Vintage Morganite Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring an emerald-cut morganite with delicate moissanite accents and intricate vintage-inspired band details.

Vintage Morganite Engagement Ring in 14K Solid Rose Gold

from $2,045

Unit price
per 

Natural Citrine Engagement Ring in 14K White Gold by Aquamarise Gold, featuring an oval golden citrine center with vintage-inspired detailing and moissanite accents on a delicate white gold band.

Natural Citrine Engagement Ring in 14K White Gold

from $1,815

Unit price
per 

Natural Tanzanite Engagement Ring in 14K White Gold by Aquamarise Gold featuring a vintage-inspired emerald cut tanzanite with delicate moissanite accents on an intricately detailed band.

Natural Tanzanite Engagement Ring in 14K White Gold

from $2,095

Unit price
per 

Vintage Emerald Engagement Ring in 14K White Gold by Aquamarise Gold featuring an oval emerald center with intricate vintage-inspired design and dazzling moissanite accents.

Vintage Emerald Engagement Ring in 14K White Gold

from $1,945

Unit price
per 

Vintage Alexandrite Engagement Ring in 14K White Gold by Aquamarise Gold featuring an oval lab-grown alexandrite center and intricate diamond-accented vintage-inspired band design.

Vintage Alexandrite Engagement Ring in 14K White Gold

from $1,845

Unit price
per 

Vintage Morganite Ring in Sterling Silver

Vintage Morganite Engagement Ring in 14K White Gold

from $1,975

Unit price
per 

Lab-Grown Diamond Leaf Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold, featuring teardrop lab diamond and delicate leaf-inspired white gold band details.
Teardrop Natural Moonstone Engagement Ring Set in 14K White Gold with sparkling diamond accents by Aquamarise Gold, part of Solid Gold Engagement Rings and June Birthstone Jewelry collections.

Teardrop Natural Moonstone Engagement Ring Set in 14K White Gold

from $2,075

Unit price
per 

Geometric Kite Cut Alexandrite Engagement Ring in 14K White Gold by Aquamarise Gold, showcasing a striking color-shifting kite-cut gemstone in a minimalist white gold band.

Geometric Kite Cut Alexandrite Engagement Ring in 14K White Gold

from $1,845

Unit price
per 

Hexagon Morganite Engagement Ring Set in 14K Solid Rose Gold by Aquamarise Gold featuring a blush pink hexagon-cut morganite with diamond accents on rose gold bands, a unique engagement ring set.

Hexagon Morganite Engagement Ring Set in 14K Solid Rose Gold

from $2,175

Unit price
per 

Blush Pink Teardrop Morganite Engagement Ring Set in 14K White Gold with shimmering diamond accents, crafted by Aquamarise Gold, from the Nature-Inspired and Fantasy Engagement Rings collections.
Minimalist Kite Cut Green Moss Agate Engagement Ring in 14K Solid Rose Gold by Aquamarise Gold, featuring a delicate kite-shaped moss agate set on a sleek rose gold band.
Cordelia Lab-Grown Diamond Engagement Ring- 14K Solid Rose Gold (IGI Certified) by Aquamarise Gold, featuring a vintage-inspired halo with milgrain details and sparkling lab-grown diamonds.
Sophia Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) featuring a princess-cut diamond with an elegant twisted band accented by sparkling pavé stones by Aquamarise Gold.
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.
Hexagon Lab-Grown Diamond Engagement Ring in 14K White Gold (IGI Certified) by Aquamarise Gold featuring a hexagonal halo of diamonds and a 1.1ct center stone in a white gold band.
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.
Rose gold diamond ring with a clear gemstone on a reflective surface with a blurred purple background
Diamond ring with a pear-shaped center stone on a light purple background
Waverly Lab-Grown Diamond Engagement Ring- 14K Solid Rose Gold (IGI Certified) by Aquamarise Gold, featuring scalloped pavé diamonds encircling the center stone and along the band.

Free U.S. Shipping

Ships from USA

Hassle-Free Returns

and Exchanges

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.

From the Blog

Fairy Engagement Rings: A Complete Guide to Fae, Woodland & Elvish Designs

Fairy Engagement Rings: A Complete Guide to Fae, Woodland & Elvish Designs

Fairy engagement rings are not a trend - they are a specific aesthetic vocabulary. This is the complete guide to fae, woodland, elvish and enchanted-forest designs, written for couples who...

Read more
Moss Agate Engagement Rings Guide

Moss Agate Engagement Rings Guide

Why couples are choosing moss agate engagement rings over diamonds in 2026, what daily wear actually looks like, real pricing data, and how to pick the right stone — written...

Read more
What Is a Salt and Pepper Diamond? Complete Guide

What Is a Salt and Pepper Diamond? Complete Guide

Real natural diamonds with visible black and white inclusions — and 70-85% cheaper than colorless. The complete expert guide to what salt and pepper diamonds are, what causes the inclusions,...

Read more
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...

Read more