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Sonora Perfect Fit Diamond Ring (1/3 ct. tw.) in 18K White Gold


This item is no longer available. Please contact us for assistance.

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ENDS SOON!

Free 1/4 Carat Lab Diamond Studs
With Purchase Over $500. A $200 Value.
Use Code FREEGIFT in Cart.

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

This halo engagement ring surrounds the center stone with a sparkling frame of diamonds for enhanced visual brilliance and radiance.

  • The 1.6mm band width delivers a balanced, comfortable silhouette that showcases the center stone without overwhelming the hand.
  • Four elegant claw prongs secure the center stone with a timeless setting that maximizes light entry and brilliant sparkle from every angle.
  • 54 round diamond stones are french pavé as accents, adding (1/3 total carat weight) of luminous sparkle.
  • A hidden halo of glittering diamonds rests beneath the center stone, creating secret sparkle and amplifying overall light reflection.
  • Careful proportions and refined craftsmanship combine to create a ring that feels both timelessly elegant and distinctly personal.

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: BE1D2120-18KW
  • Metal: 18K White Gold
  • Width: 1.6 mm
  • Rhodium Plated: Yes
  • Setting: Claw Prong

Accent Gemstones

Center Diamond

  • This Ring can be set with:
Round
Princess
Cushion
Oval
Emerald
Pear
Radiant
Asscher
Marquise
Heart
  • 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

Gallery wire adds additional support to the center stone, while a hidden halo sparkles from every angle.

French Pave

Features V-shaped cutouts that let light in from all angles for extra sparkle.

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Why you'll love it

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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 Sonora Perfect Fit ring is designed to nestle against a variety of wedding bands for a seamless look, so a straight matching band in the same precious metal or a slim French pavé diamond band complements it beautifully. For a coordinated stack, choose a slim pavé or polished band to maintain the flush profile.
Yes. This ring can be resized, and Brilliant Earth offers one complementary resizing within 60 days regardless of sizing range, or up to one year if the requested size falls within the recommended sizing range. Resizing includes free shipping both ways.
Yes. The claw prong setting secures the center stone and the gallery wire adds additional support, while the hidden halo enhances sparkle from every angle for elevated everyday wear.
This ring is offered in 14K and 18K white gold, 14K and 18K yellow gold, 14K rose gold, and platinum so customers can choose the precious metal that best fits their style and wedding band pairing.
This ring cleans well with warm soapy water and a soft brush, then rinse and dry with a lint free cloth for everyday maintenance. For deeper care, take advantage of complementary professional cleanings at a Brilliant Earth showroom.