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Six Prong Petite Shared Prong Diamond Ring (1/5 ct. tw.) in Platinum

$1,250 (Setting Only)

(10)

Diamond Origin: Natural

Order now and your order ships by Tue, Oct 20, depending on center diamond.

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

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Free 1-Year Resizing

This engagement ring features a six-prong setting and shared-prong round diamonds that trace along the band for a continuous line of sparkle beside the center stone.

  • 1.8mm band width — offers a slender, comfortable profile for everyday wear.
  • Diamond peg head — six prongs hold the center stone atop the peg head, adding sparkle beneath the gem itself.
  • 16 shared-prong round diamonds — line the band, adding (1/5 ct. tw.) of sparkle around the setting.
  • Shared-prong construction — keeps the diamonds close together for a fuller look.
  • Wedding band compatibility — the design stacks flush against wedding bands, creating a seamless, gap-free look for everyday stacking.
  • Petite scale — keeps the setting lightweight, comfortable, and secure for long-term wear.

Ring Information

  • Style: BE1D1516-PT
  • Metal: 950 Platinum
  • Width: 1.8 mm
  • Setting: Six-Prong

Accent Gemstones

Center Diamond

  • This Ring can be set with:
Round
Oval
Pear
Marquise
  • 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

Why you'll love it

Stacks Flush

A higher profile makes room for seamless stacking.

Extra Secure

Six prongs provide extra support and stability to the center stone.

Mixed Metal

A two-tone setting that accentuates the center gem's brilliance and visual impact.

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Why you'll love it

White gold engagement ring inside wooden jewelry box.

Order Details

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Reviews

3.8
(10)

What customers are saying

Most customers love how the six-prong setting makes the diamond feel secure while adding a refined twist on a classic solitaire, with many saying it looks even more beautiful in person than they expected. Wearers consistently receive compliments and describe it as both stunning and comfortable for everyday wear. The petite band keeps the focus on the center stone, and customers say the quality far exceeds the price.

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Kathy Giacobbe Reviewed Six Prong Petite Shared Prong Diamond Ring (1/5 ct. tw.)
5/20/2025

Absolutely LOVE it. Best decision I ever made was to use Brilliant Earth for my ring design and purchase!! ...Read More

Sal Reviewed Six Prong Petite Shared Prong Diamond Ring (1/5 ct. tw.)
11/17/2024

She loved it!

Beautiful ring specially when she knows it's one of a kind ...Read More

Matt's Fiancé Reviewed Six Prong Petite Shared Prong Diamond Ring (1/5 ct. tw.)
7/11/2023

Absolutely Gorgeous

My boyfriend of six years proposed to me this past weekend with this ring and I cannot stop staring at it! I feel confident that my stone will be safe with the six prongs since the setting is pretty high! Couldn't be happier right now!! ...Read More

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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.
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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.

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Unmatched
materials & craftsmanship

Unmatched
materials & craftsmanship

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

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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.

This ring is offered in a range of precious metal options, including 14K and 18K white gold, 14K and 18K yellow gold, 14K rose gold, and platinum, so customers can choose the color and finish that best complements their style.
Yes. This ring is eligible for one complementary resizing within 60 days of purchase, or up to one year if the size falls within the recommended sizing range, and resizing includes free shipping both ways.
This setting can be paired with round, oval, pear, or marquise center stones, and the accent diamonds will match the selected center stone type, natural or lab grown, depending on the choice.
Yes. Six prongs provide extra support and stability to the center stone, while the shared prong accents secure the side diamonds and create a continuous band of sparkle for elevated everyday wear.
A slim plain band, a shared-prong or pavé diamond band, or a contoured wedding band designed to nestle against this ring for a perfect fit all complement this design, making it easy to create a seamless, stackable look.

Last updated on September 28, 2026