Thalia Crown III | Laboratory Grown Diamonds

$965 ~~$1930~~ In stock

A piece for all stories; a pair for your personal duet. Our intricate diamond-laced Thalia Crown Ring has been designed across four sizes to allow for the perfect, custom fit based on your engagement ring style.

Our Thalia Crown Ring | Fit III was designed with trio style rings in mind. It is best suited to trio styles with a narrow spread and steep gradient. For example, a round trio ring with round side stones and a centre stone of up to 6.5mm in diameter, or an oval trio ring with round side stones and a centre stone of up to 8x6mm in diameter.

Please use our NMJ Crown Fit Guide here to find the perfect NMJ engagement ring and crown pairings, or contact our team here to discuss the right crown fit for your personal engagement ring.

Customer Reviews (5.0 / 5 · 5 reviews)

Hazel D. ★★★★★ Sep 8, 2026

I was nervous about sizing a ring online, but the four available sizes made it easy to find a fit that feels completely custom. The intricate diamond-laced detailing is even more delicate and elegant in person than in the photos.

Aurora ★★★★★ Sep 7, 2026

The diamond-laced band catches the light beautifully from every angle, and the way it sits flush against my engagement ring feels like it was made for us. I've worn it daily for a month now and it hasn't snagged on anything, which surprised me given how intricate the detailing is.

Samuel X. ★★★★★ Sep 1, 2026

The four size options meant I could finally get a ring that fits perfectly without endless resizing appointments. I keep catching light on the intricate diamond-laced band and it’s honestly more dazzling in person than in the photos.