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Opera Three Stone with 2.5ct Oval Certified Lab Diamond in 18K White Gold

$4,990 (Taxes Included)

(44)

Order now and your order ships by Thu, Oct 29 , depending on ring size.

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Lab Diamond Necklace
With Purchase Over USD$1,000.
Use Code SPARKLE in Cart.

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Free Lifetime Warranty
Free 1-Year Resizing

This three stone engagement ring pairs a 2.5-carat oval cut lab-grown diamond center stone with pear-shaped diamonds that frame it on either side.

  • 1.8mm band width \u2014 gives the ring a comfortable, slender profile, finished for comfortable, everyday wear.
  • Three-prong basket setting \u2014 secures the pear-shaped side diamonds (0.37 ct. tw.) alongside the center stone, shaped to keep the setting compact and the center stone as the focal point.
  • Three stone design \u2014 frames the center diamond for a classic, symmetrical silhouette.
  • Complete preset design \u2014 includes the center stone already mounted in the finished setting.
  • D-F color, VS1-VS2 clarity \u2014 grading keeps every stone bright and clear.
  • Precious metal options \u2014 let you choose the one that suits your style.

This center lab diamond is certified for authenticity by an independent grading lab and inscribed with a number that matches its certificate.

Ring Information

  • Style: BE1D5320PSOV25CTLC-18KW
  • Metal: 18K White Gold
  • Prong metal: 18K White Gold
  • Width: 1.8-1.8 mm
  • Rhodium Plated: No

Accent Gemstones

  • Type: Lab grown diamond
  • Shape: Pear shape
  • Number: 2
  • Min. carat total weight: 0.37 Min. carat total weight
  • Setting: Three-Prong Basket
  • Average Color: D-F Average Color
  • Average Clarity: VS1-VS2 Average Clarity
  • Origin: Lab Grown

Center Gemstone

  • Easy monthly payments with Affirm. From 0% APR financing. Up to 36 months. Subject to credit approval.
  • Special 12 month financing options available with Wells Fargo, subject to credit approval.
  • Layaway options also available.
  • Learn More

Schedule a personalized, in-person visit to discover the perfect ethical origin fine jewelry piece for your milestone moments.

Gemstone ring on wooden jewelry box.

Order Details

Reviews

4.8
(44)

What customers are saying

Customers are loving the Opera ring's elegant three-stone design, with many describing it as stunning and constantly drawing compliments on the center diamond and delicate side stones. The ring sits low on the finger for comfortable everyday wear, and wearers say it sparkles beautifully from every angle. Many chose it for the timeless yet distinctive look that feels both classic and special.

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Julie Reviewed Opera Three Stone Diamond Ring
9/25/2026

Beautiful ring. Looks exactly like a mined diamond. ...Read More

Anonymous Reviewed Opera Three Stone Diamond Ring
7/3/2026

She loved it ...Read More

Caleb Reviewed Opera Three Stone Diamond Ring
5/6/2026

Beautiful Ring! Perfect! Can't wait to put in on her hand. ...Read More

The Brilliant Earth Difference

Our team designs our collections with precision and skill at our San Francisco studio. We know it’s the details that matter most — so we obsess over each one.
Our dedication to quality craftsmanship begins with our responsibly sourced precious metals.
From our Beyond Conflict Free Diamonds® to the most innovative lab diamonds on the planet, our world class gemologists have been sourcing exceptional diamonds with traceable origins for twenty years.
image description

award-winning
artistry

award-winning
artistry

Our team designs our collections with precision and skill at our San Francisco studio. We know it’s the details that matter most — so we obsess over each one.

image description

Unmatched
materials & craftsmanship

Unmatched
materials & craftsmanship

Our dedication to quality craftsmanship begins with our responsibly sourced precious metals.

image description

industry-leading
standards

industry-leading
standards

From our Beyond Conflict Free Diamonds® to the most innovative lab diamonds on the planet, our world class gemologists have been sourcing exceptional diamonds with traceable origins for twenty years.

Have a question?

We're happy to help

This Opera Three Stone ring is available in multiple precious metal options, including 18K yellow gold and 18K white gold, each offered with a high-polish finish to highlight the center gem and pear-shaped accent diamonds.
Yes. This three-stone design uses prong-set pear accents and a basket-setting for the center gem to securely hold and support the stones for elevated everyday wear.
Yes. This ring can be resized and Brilliant Earth offers one complementary resizing within 60 days of purchase regardless of sizing range, or up to one year if the requested size is within the recommended sizing range, and resizing includes free shipping both ways.
This three-stone configuration pairs a 2.5 ct oval center gem with pear-shaped side stones that frame and accentuate the center gem, while the tapered band and basket setting draw the eye to the center for a balanced, elegant profile.
A contoured or tapered wedding band that follows the ring’s silhouette will sit flush against the tapered shank, and thin pavé or plain precious metal bands complement the three-stone profile for a cohesive stacked look.

Last updated on October 22, 2026