Reina Crown II | Laboratory Grown Diamonds

$915.61 ~~$1501~~ In stock

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

Our Reina Crown Ring | Fit II was designed with an oval or pear shaped solitaire in mind, approx. 7x5mm or 8x6mm, or a round solitaire with a maximum stone diameter of 7mm. 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.

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Standard Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

Express Shipping: Handling (business days) 0–1; Transit (business days) 7–15.

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Refund processing (days after receipt and inspection): 3. Bank or payment provider posting times are separate from the merchant processing period.

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Standard Shipping · United States: $0.00

Express Shipping · United States: $3.99

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United States · Return window (days after delivery): 30. Return method: By mail. Return postage: Seller pays.

Buyer arranges shipping; seller reimburses the postage

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Customer Reviews (4.8 / 5 · 5 reviews)

Christopher U. ★★★★★ Sep 8, 2026

I was nervous about matching the ring to my engagement band, but the sizing options meant I could finally find that perfect fit without compromise. The diamonds catch the light beautifully, and the design feels substantial yet delicate on my finger.

Andrew ★★★★★ Sep 7, 2026

The four size options made it effortless to find the exact fit that sits flush against my engagement ring. The lab-grown diamond has a brilliant sparkle that catches the light beautifully, and the band feels substantial without being heavy.

Mia D. ★★★★★ Sep 1, 2026

I was nervous about matching it to my engagement ring, but the four-size range made it effortless—it sits flush and feels like it was made for my finger. The lab-grown diamond has that brilliant, clean sparkle I wanted without the hefty price tag.