• Premium metals
  • Trusted by 200,000+ customers
  • Ethically sourced gems
  • Hassle-free returns

Your cart

Purple rainbow gradient hero background in the lightest tone, alternate version

Solitaire Engagement Rings

At Aquamarise®, solitaire engagement rings feature a timeless single-stone design that celebrates the center gemstone’s brilliance and elegance, with handcrafted settings in recycled metals and responsibly sourced stones, perfectly balanced for enduring beauty and effortless sophistication.

Oval Solitaire Morganite Engagement Ring14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

Unit price
per 

Ava Oval Cut Alexandrite Engagement RingSterling Silver

Regular price $170 $145 (-15%)

Unit price
per 

Ava Black Onyx RingSterling Silver

Regular price $160 $120 (-25%)

Unit price
per 

Ava Oval Cut Teal Sapphire Engagement RingSterling Silver

Regular price $160 $120 (-25%)

Unit price
per 

Victorian Gothic Mystic Topaz Filigree Engagement RingBlack Ruthenium

Regular price $170 $145 (-15%)

Unit price
per 

Minimalist Aquamarine RingSterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

2CT Solitaire Tanzanite RingSterling Silver

Regular price $125 $81 (-35%)

Unit price
per 

Ava Emerald Cut White Sapphire Engagement RingSterling Silver

Regular price $160 $104 (-35%)

Unit price
per 

Ava Emerald Cut Morganite Ring14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

Unit price
per 

Princess Cut Blush Pink Morganite Engagement Ring14K Rose Gold Vermeil

Regular price $175 $113 (-35%)

Unit price
per 

Ava Lab-Grown Pink Sapphire Engagement RingSterling Silver

Regular price $160 $104 (-35%)

Unit price
per 

Princess Cut Alexandrite Engagement Ring14K Rose Gold Vermeil

Regular price $175 $150 (-14%)

Unit price
per 

Minimalist Kite Cut Green Moss Agate Ring14K Rose Gold Vermeil

Regular price $175 $113 (-35%)

Unit price
per 

Emerald Cut Natural London Blue Topaz RingSterling Silver

Regular price $160 $96 (-40%)

Unit price
per 

Sophia Fireworks Cut Emerald Ring14K Rose Gold Vermeil

Regular price $175 $105 (-40%)

Unit price
per 

Art Deco Natural Moss Agate RingSterling Silver

Regular price $155 $100 (-35%)

Unit price
per 

Sophia Princess Cut Moissanite Engagement Ring14K White Gold

Regular price from $1,780.95 Up to (-15%)

Unit price
per 

Sophia Twisted Vine Emerald Engagement RingSterling Silver

Regular price $160 $112 (-30%)

Unit price
per 

Flair Cushion Cut Morganite Twisted Engagement RingSterling Silver

Regular price $140 $91 (-35%)

Unit price
per 

Sophia Twisted Vine Alexandrite Engagement Ring14K White Gold

Regular price from $1,695.95 Up to (-15%)

Unit price
per 

Solitaire White Sapphire Ring14K Rose Gold Vermeil

Regular price $140 $70 (-50%)

Unit price
per 

Black Onyx Hexagon RingSterling Silver

Regular price $160 $104 (-35%)

Unit price
per 

Minimalist Kite Cut Alexandrite Engagement RingSterling Silver

Regular price $170 $145 (-15%)

Unit price
per 

Raspberry Tourmaline Solitaire Engagement RingSterling Silver

Regular price $160 $104 (-35%)

Unit price
per 

Pear White Sapphire Engagement Ring with Hidden HaloSterling Silver

Regular price $160 $135 (-16%)

Unit price
per 

Victorian Gothic Moissanite Filigree Engagement RingBlack Ruthenium

Regular price $230 $195 (-15%)

Unit price
per 

Sophia Twisted Vine Morganite Ring14K Solid Rose Gold

Regular price from $1,857.95 Up to (-15%)

Unit price
per 

Sophia Round Moissanite Twisted Vine Engagement Ring14K White Gold

Regular price from $1,857.95 Up to (-15%)

Unit price
per 

Sophia Twisted Vine Aquamarine Engagement Ring14K White Gold

Regular price from $1,857.95 Up to (-15%)

Unit price
per 

Kite Morganite RingSterling Silver

Regular price $160 $96 (-40%)

Unit price
per 

Kylie Vintage Oval Lab-Grown Diamond Engagement RingSolid 14K Yellow Gold · IGI Certified

Regular price from $2,383.95 Up to (-15%)

Unit price
per 

London Blue Topaz Leaf Engagement Ring14K Solid White Gold

Regular price from $1,602.95 Up to (-15%)

Unit price
per 

Ava Emerald Cut Padparadscha Sapphire Engagement RingSterling Silver

Regular price $160 $96 (-40%)

Unit price
per 

Marquise Victorian Gothic Filigree Engagement RingSolid 14K Yellow Gold

Regular price from $2,018.95 Up to (-15%)

Unit price
per 

Ava Pink Tourmaline Engagement Ring14K Rose Gold Vermeil

Regular price $160 $80 (-50%)

Unit price
per 

The solitaire is the sentence with every unnecessary word removed: one stone, held up to the light, and nothing else. It is the oldest engagement convention still in daily use — Tiffany’s six-prong knife-edge of 1886 fixed the template — and the most timeless setting a ring can have, because there is nothing on it to go out of style. In this collection the single stone is moissanite, aquamarine, morganite, alexandrite, tanzanite, or IGI-certified lab-grown diamond, hand-finished in 925 sterling silver with a rhodium finish, 14K gold vermeil, and solid 14K gold, starting from $70.

Why the Solitaire Ring Never Dates

Every other setting ties a ring to the era that styled it. A solitaire ring is pure geometry — stone, prongs, shank — so it reads as current in any decade, takes any wedding band, and lets a future upgrade swap the center without redesigning the ring. That neutrality is why jewelers themselves so often choose it, and why our guide to setting types starts here: it is the baseline every other style is measured against.

solitaire engagement ring banner portrait

Prongs, Profile & Why the Details Drive the Look

With only one stone on stage, the supporting details do all the styling. Prong count is the first decision: four prongs show more stone and square the outline subtly; six hold more securely and read more classic — especially on round centers. Claw prongs sharpen the look; petal and button prongs soften it.

Height is the second. A high cathedral mount lifts the stone into the light and lets a wedding band tuck beneath, while a low-profile basket sits closer to the finger and snags nothing — the choice for hands that type, garden, or lift. Shank width finishes the job: a delicate 1.6mm band makes the center read larger, a knife-edge adds a line of light, and a tapered shank draws the eye inward. Same stone, entirely different ring — which is why two solitaires that share a carat weight can feel like strangers on the hand.

The Solitaire in Silver, Yellow Gold & Beyond

Metal is the fastest way to change what a single stone says. Rhodium-finished sterling — the solitaire engagement ring silver shoppers usually start with — keeps the look icy and the entry price starting from $70. A yellow gold solitaire is the heritage statement, warm against every skin tone; the same designs run in rose, and in white gold with a rhodium finish for the platinum look. Sterling here is true 925 — 92.5% solid alloy — vermeil carries the FTC’s full 2.5 microns of gold over sterling, and solid 14K is stamped 585.

Stone choice then sets the personality: moissanite for maximum fire at accessible prices, icy aquamarine and blush morganite for color, and IGI-certified lab-grown diamond for the classic stone with modern provenance. One-stone rings hide nothing, so every listing states carat, cut, and metal plainly.

one carat solitaire engagement ring

Solitaires by Stone Shape, from Round to Emerald Cut

Because nothing competes with the center, shape reads louder in a solitaire than in any other setting. A round brilliant is the forever classic; an oval gives the same sparkle a longer, finger-flattering line. Pear and marquise stretch further still, cushion softens the square, and an emerald cut trades glitter for glassy, architectural flashes.

Elongated shapes carry a practical bonus in one-stone settings: they look larger per carat face-up, so an oval or pear solitaire ring maximizes presence without a frame’s help — a two-carat look at a smaller-carat budget, honestly earned by geometry. Round centers stay the safest heirloom choice, while marquise and pear reward wearers who want the room to notice. Whatever the shape, the silhouette stays clean enough to pair with any band — straight, contoured, or stacked — which is exactly the flexibility framed settings give up.

Solitaire vs Pavé vs Three-Stone: How Much Company Should One Stone Keep?

The setting family branches by how much you add. Keep the band plain and you are here. Carry small stones down the shank and you have a pavé engagement ring — same silhouette, constant glitter. Add a stone on each shoulder and you have a three-stone ring, wider on the hand and heavy with past-present-future symbolism. The solitaire remains the reference point: everything else is a solitaire plus something.

Too Simple? The Case for Restraint — and a Secret Alternative

If the plain band feels austere but a visible frame feels loud, split the difference: an under-set accent ring keeps the solitaire’s clean top view and hides a circle of sparkle beneath the center — see hidden halo engagement rings. Or keep the ring minimal and let a patterned wedding band supply the interest; a solitaire forgives every stacking experiment you will ever run on it.

Every Aquamarise ring is hand-finished and ships worldwide with insured delivery, complimentary engraving, and a 14-day return window on non-customized pieces. We hold a 4.9-star average across 38,000+ reviews collected on our store and on Etsy, where we have sold since 2016. One-stone designs run from sterling starting from $70 to solid 14K gold, and the custom ring service can set any stone we carry on any shank you can describe.

From the Blog

Engagement Ring Styles & Setting Types: The Complete Guide

Engagement Ring Styles & Setting Types: The Complete Guide

The complete expert guide to engagement ring styles and setting types: solitaire, halo, three-stone and more, plus prong, bezel, pavé and channel settings, and how to choose.

Read more
How Much Should You Spend on an Engagement Ring?

How Much Should You Spend on an Engagement Ring?

The real 2026 average, why the two-months-salary rule is a De Beers myth, what percentage of income to spend, cost by carat, lab-grown savings, and how to set a budget...

Read more
Oval engagement rings by Aquamarise with elongated brilliant-cut center stones

Oval Engagement Rings: The Complete Buying Guide

Everything about oval engagement rings: the bowtie effect nobody warns you about, why an oval looks larger than a round of the same carat, the ratios that flatter, the best...

Read more
What Hand Does an Engagement Ring Go On?

What Hand Does an Engagement Ring Go On?

The short answer is the left ring finger — but this guide covers the vena amoris tradition, which finger is the ring finger, the countries that use the right hand,...

Read more

Solitaire Engagement Rings FAQs

Free U.S. Shipping

Worldwide Delivery

2M+ Followers

38K+ Reviews Across Our Store & Etsy

Warranty & Easy Returns

Ethically Sourced Gemstones