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Shown With 8x6mm Emerald Moissanite

 
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Shown With Diamond

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Shown With 8x6mm Emerald Moissanite on Size 6 Hand

Moissanite Peyton 4mm Solitaire Ring in Platinum

$3,140

(6)

Order now and your order ships by Tue, Jun 16

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This classic solitaire engagement ring features a wide band that sits flush with wedding bands for a perfect fit design.

  • The 4mm band width creates a substantial, commanding presence that showcases the center stone with confidence and architectural strength.
  • Four elegant claw prongs secure the center stone with a classic, open setting that permits maximum light entry and brilliant sparkle.
  • Gallery wire beneath the center stone provides extra support and adds a delicate, sculptural detail visible from side angles.
  • A raised gallery accommodates various wedding band styles, allowing any complementary ring to sit seamlessly flush without gaps.
  • The 1.8mm depth profile keeps the ring proportional and comfortable while ensuring the stone remains secure and beautifully displayed.

Our perfect fit engagement rings are carefully designed to sit flush against a variety of wedding rings for a seamless look with no gaps.

Your Order Includes

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

Ring Information

  • Style: BE12148-MO8X6EC1-PT
  • Metal: 950 Platinum
  • Prong metal: Platinum
  • Width: 4 mm

Center Gemstone

  • Type: Moissanite
  • ShapeShape: Emerald gray info icon
  • Dimensions: 8.0 x 6.0 mm Dimensions
  • Color: Colorless Color
  • Clarity: VVS Clarity
  • Origin: Lab Grown
  • Treatment: View
  • 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.

Why you'll love it

Extra Secure

Gallery wire adds additional support to the center stone.

Exceptional Durability

The band’s thick width and depth provide strength.

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Why you'll love it

Gemstone ring on wooden jewelry box.

Order Details

Reviews

5.0
(6)
Jeff Reviewed Peyton 4mm Solitaire Ring
2/7/2026

The ring is nothing short of stunning and "Brilliant". It brought tears to her eyes. Thank you Brilliant Earth!!! ...Read More

Brian Reviewed Peyton 4mm Solitaire Ring
1/6/2026

Direct quote from my fiancé, "Princess fiancé APPROVED." ...Read More

Caleb Rowlinson Reviewed Peyton 4mm Solitaire Ring
7/5/2025

Really nice and she loved it ...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 collections that empower artisanal female miners to fair-trade gems, our world class experts have been carefully sourcing exceptional gemstones for twenty years.
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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 collections that empower artisanal female miners to fair-trade gems, our world class experts have been carefully sourcing exceptional gemstones for twenty years.

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