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Radiant Eternity Lab Diamond Ring (2 ct. tw.) in Platinum

$3,990

Size Guide *This ring cannot be resized

Order now and your order ships by Wed, Jul 8.

gift with purchase tier gift item

ENDS SOON!

Receive a Natural Diamond Necklace
With Purchase Over USD$1,000. A USD$225 Value.
Use Code DIAMOND in Cart.

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

This dazzling ring features prong-set radiant cut lab grown diamonds that encircle the finger for a timeless, eye-catching look.

Our eternity bands are crafted meticulously to perfectly fit your finger. Each unique ring size features a slightly varied carat weight and number of diamonds to ensure a fit that is as comfortable as it is glamorous.

Your Order Includes

  • Free FedEx Shipping
  • Delivered in Discreet Packaging
  • Professional Appraisal
  • Free Lifetime Warranty
  • FSC Certified Wood Box

Ring Information

  • Style: BE2DRA200ELC-PT
  • Metal: 950 Platinum
  • Width: 3.5 mm

Accent Gemstones

  • 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.

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Men’s and Women’s yellow gold wedding bands in a wooden ring 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.

No. Eternity rings cannot be resized due to their continuous stone design. This ring can be exchanged for free within 60 days of when the purchase is first available for shipment or pickup.
This ring features radiant-cut lab diamond accents set in a shared prong eternity band that wraps the finger for a continuous, eye-catching shimmer. The design pairs classic geometric sparkle with a refined 3.5 mm band for an elevated everyday wear silhouette.
This ring is available in multiple precious metal options, including 14K and 18K white gold, 14K and 18K yellow gold, 14K rose gold, and platinum. Choose the metal option that best complements other pieces in a jewelry stack.
This radiant eternity band pairs beautifully with classic solitaires, low-profile halos, and tapered-shank settings that allow the band to sit closely against the engagement ring for a seamless look. It also layers nicely with plain metal bands for an elevated stackable style.
Yes. This ring can be engraved on the inside of the band. Contact a Brilliant Earth jewelry specialist to confirm available engraving options and character limits.

Last updated on May 11, 2026