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Grand Perfect Fit Three-Quarter with 3ct Round Certified Lab Diamond in 18K Yellow Gold

$5,990

Metal: 18K Yellow Gold

Order now for delivery by Wed, Oct 7 , depending on ring size.

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Lab Diamond Tennis Bracelet
With Purchase Over $1,000. A $350 Value.
Use Code TENNIS in Cart.

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Free Shipping & Returns
Free Lifetime Warranty
Free 1-Year Resizing

This engagement ring pairs a 3-carat round cut lab-grown diamond center stone with a pavé diamond band and a raised gallery designed for a perfect fit with a wedding band.

- 2.2mm band width — gives the ring a balanced, comfortable profile on the finger, finished for comfortable, everyday wear.
- Raised gallery — is designed to sit flush with a wedding band for a gap-free look.
- 32 round diamond accents — (0.63 ct. tw.) in a scalloped pavé setting extend three-quarters of the way around the band, adding brilliance beyond the center stone.
- D-F color, VS1-VS2 clarity — grading gives the center stone bright, radiant brilliance.
- Precious metal options — let you choose the one that suits your style.
- 9.3mm dimensions — reflect the center stone's diameter.
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: BE1D1797PSRD3CTLC-18KY
  • Metal: 18K Yellow Gold
  • Prong metal: 18K Yellow Gold
  • Width: 2.2 mm

Accent Gemstones

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

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

Yes. This ring can be resized and includes one complimentary resizing within 60 days regardless of sizing range, or up to one year if the new size is within the recommended sizing range. Resizing includes free shipping both ways.
Yes. This ring is designed for everyday wear with precious metal prongs that secure the center gem and scalloped pavé that securely sets the accent lab grown diamonds. The raised gallery and 2.2 mm band balance presence and comfort for regular wear.
This ring is available in 18K yellow gold and 18K white gold as precious metal options. Customers can choose the metal that best complements their personal style.
This setting is shown with a round lab grown diamond center gem and can be ordered to accommodate a variety of center stone shapes and stone types, including natural or lab grown diamonds. A jewelry specialist can confirm compatibility for a specific shape or size.
Slim pavé or plain precious metal wedding bands that nestle against the raised gallery pair well with this ring for a seamless look. A matching slimmer band or a contoured band designed to sit flush creates a cohesive, perfect fit.

Last updated on September 30, 2026