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Tacori Collection

Simply Tacori Diamond Ring (1/8 ct. tw.) in Platinum

Starting at $4,940* (Setting Only)
*Final setting price varies based on center stone size.


Diamond Origin: Natural

Order now for delivery by Mon, May 11, depending on center diamond.

Need it sooner?

ENDS SOON!

Receive a $250 Gift Card With Purchase Over $1,000.
Applies to a future purchase of $250 or more.

We've Got You Covered
Free Shipping & Returns
Free Lifetime Warranty
Lifetime Diamond Upgrade
Free 1-Year Resizing

This cathedral-style engagement ring blends architectural grace with contemporary refinement, drawing on classic design traditions for a statement-making appearance.

  • Four-prong setting holds the center stone securely and symmetrically for balanced visual appeal and reliable support.
  • Round-cut diamond accents positioned strategically complement and enhance the center stone's brilliance.
  • Designed to sit flush with wedding bands for a seamless, coordinated stacked look that feels complete and intentional.
  • Refined band craftsmanship ensures a polished, elegant appearance from every angle and in any lighting condition.
  • Cathedral architecture offers both commanding presence and excellent everyday wearability for versatile styling options.

Each Tacori ring is handcrafted by master artisans in California using responsibly sourced materials, and features a signature crescent - a hidden symbol of love.

Your Order Includes

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

Ring Information

  • Style: BE1DT2678-PT
  • Metal: 950 Platinum
  • Width: 1.9 mm
  • Setting: Four-Prong

Accent Gemstones

Center Diamond

  • This Ring can be set with:
Round
Princess
Cushion
Oval
Emerald
Pear
  • 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

A cathedral setting secures the center stone with additional support.

Accented Gallery

Enhances brilliance and adds a luxe touch.

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Why you'll love it

Have a Question?

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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.

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.

This ring is available in 18K yellow gold, 18K rose gold, and platinum, so customers can choose a precious metal that fits their personal style. The prong-set accent diamonds will match the type of center gem selected.
Yes, Brilliant Earth offers one complimentary resizing within 60 days, and up to one year when the size falls within the recommended range. Resizing includes free shipping both ways.
This cathedral setting elevates the center gem with raised shoulders that secure and support the stone, while diamond-accented prongs and an accented gallery add visible brilliance. Tacori crescents along the band introduce a signature design detail and subtle flair.
This setting is designed for a perfect fit and nestles against a variety of wedding bands for a seamless look. Tapered diamond bands or a simple polished wedding band complement the cathedral profile and accent diamonds.
Yes, this ring combines a cathedral setting and secure four-prong construction to support everyday wear while maintaining refined sparkle from the prong-set accent diamonds. For upkeep, use gentle home cleaning and take advantage of complimentary professional cleanings at a Brilliant Earth showroom for deeper maintenance.