Moissanite Engagement Rings

Say yes with moissanite engagement rings that rivals a diamond in brilliance, without the diamond price tag. Kosei Moissanites offers one of the largest moissanite engagement rings collection built for U.S. shoppers, with 146+ GRA-certified styles spanning solitaire, halo, three-stone, and vintage designs. Every center stone is hand-selected for exceptional fire and cut precision, then set in premium 925 sterling silver or solid gold. Choose from round, oval, emerald, and 8 other stone shapes to find the exact look you're proposing with. Every ring ships with a certificate of authenticity, a lifetime warranty, and free U.S. shipping — because your engagement should be one less thing to worry about.

Why Choose a Moissanite Engagement Ring

Moissanite has become the leading diamond alternative for moissanite engagement rings in the United States, prized for a refractive index higher than diamond — meaning more fire, more sparkle, and a stone that catches light from every angle. Because moissanite costs a fraction of a mined diamond of comparable size, couples can invest in a larger center stone, a more elaborate halo, or a fully custom setting without stretching their budget. Our moissanite engagement ring collection is lab-created, conflict-free, and independently GRA certified, so you can propose with a ring that's as ethical as it is brilliant.

Shop Moissanite Engagement Rings by Style

With 146+ styles, our moissanite engagement ring collection is organized around the settings that matter most to shoppers:

Solitaire — A single center stone in a classic prong or bezel setting. Browse our solitaire engagement rings collection.

Halo — A center stone encircled by pavé accents for maximum sparkle. See our halo engagement rings.

Three Stone — Symbolizing past, present, and future. Explore three stone engagement rings like the Emerald Cut Three-Stone "Past, Present, Future" Ring.

Pavé — Delicate stones set along the band for continuous shine. Shop pavé engagement rings.

Vintage — Intricate, era-inspired detailing. Browse vintage engagement rings.

Side Stone & Toi Et Moi — For a distinctive silhouette, see our side stone and toi et moi styles.

Shop Moissanite Engagement Rings by Stone Shape

Prefer to start with a specific cut? Explore round, oval, princess, pear, emerald, cushion, and radiant cut moissanite.

Popular picks include the Large Oval Cut Moissanite Solitaire Ring and the Emerald-Cut Moissanite Diamond Solitaire Ring.

Complete Your Bridal Look With Moissanite Engagement Rings

Planning ahead for the wedding day? Pair your engagement ring with a matching piece from our wedding bands collection, or save with a pre-matched bridal ring set that pairs an engagement ring and band designed to sit flush together from the start.

How to Choose the Right Moissanite Engagement Ring

Start with the setting style that matches your partner's everyday jewelry — a solitaire or side-stone design wears low-profile and practical, while a halo or three-stone ring makes a bolder statement. From there, choose a stone shape and carat weight that fits your budget; moissanite lets you size up without sizing down your wallet.

Not sure what ring size to order? Check our Size Chart before checkout, or contact our team for personalized guidance.

Why Shop Moissanite Engagement Rings at Kosei Moissanites

• 146+ GRA-certified moissanite styles to choose from
• 925 sterling silver and solid gold settings built to last
• Free shipping across the USA & worldwide
• Certificate of authenticity included with every ring
• Custom design service for a fully bespoke engagement ring

FAQ: Moissanite Engagement Rings

Is moissanite engagement rings good choice?

Yes. Moissanite engagement rings are more brilliant than a mined diamond, significantly more affordable, and a conflict-free, lab-created gemstone — making it an increasingly popular choice for engagement rings in the USA.

What is the difference between moissanite and a diamond?

Moissanite has a higher refractive index than diamond, giving it more fire and rainbow flashes of light. It's also difficult to distinguish from a diamond to the naked eye while costing significantly less per carat.

Can I buy a matching moissanite wedding band for my engagement ring?

Yes. Shop our wedding bands collection to pair separately, or choose a pre-matched bridal ring set for a coordinated look from day one.

Do you ship moissanite engagement rings within the USA?

Yes, we offer free shipping on all U.S. orders, and every engagement ring includes a certificate of authenticity and lifetime warranty.