Sapphire Twilight Halo Diamond Ring in 18K White Gold
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Sapphire Twilight Halo Diamond Ring Set with 6mm Blue Round Sapphire

A dazzling halo of diamonds evokes the soft, glowing light of the setting sun in this spectacular engagement ring (2/5 total carat weight). ... Read More

Metal: 18K White Gold


Size Guide

Order now for delivery by Mon, Apr 17

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Bethesda Row, Bethesda showroom entryway

Bethesda Row, Bethesda

4733 Elm Street, Fl 4
Bethesda, MD 20814


Thurs-Mon: 10am-7pm

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Ring Information

18K White Gold
Prong metal:
18K White Gold
Average width:
1.8 mm
Rhodium finish:

Accent Gemstones

Min. carat total weight Min. carat total weight:
Shared Prong
Average ColorAverage Color:
Average ClarityAverage Clarity:

Center Gemstone

Average DimensionsAverage Dimensions:
6.0 x 6.0 mm
Average ColorAverage Color:
Average ClarityAverage Clarity:
Eye Clean
Sri Lanka

Luxury with a Conscience®

A ring that evokes the happiness of love and partnership is even more joyful when you know that it was sustainably sourced and mindfully produced. From our mission to our unique jewelry designs, everything at Brilliant Earth is held to exceptional standards.

Our engagement ring settings are made-to-order with each one handcrafted for your selected center gem’s unique characteristics to ensure the high quality of the finished piece.
As part of our commitment to protecting the planet, Brilliant Earth is Carbonfree®. We calculated our carbon footprint by assessing the direct emissions of our energy use, including packaging, shipping, and employee travel and commuting. Then we partnered with to offset our carbon emissions by contributing to Tropical Rainforest Conservation in Brazil. We will continue identifying ways to reduce our footprint and offsetting emissions that we cannot eliminate.
We present each Brilliant Earth design in a jewelry box crafted of wood from Forest Stewardship Council (FSC) certified forests—trees that are managed and harvested in a manner that protects and maintains natural communities and respects the rights of workers and indigenous people.
December 31, 2022
Uniquely perfect!!

The MOST beautiful, unique, perfect amount of spice but still keeping it classy engagement ring. My marquis diamond paired with the nouveau ring makes it a knockout duo. So happy with my husbands great taste! 12/10 recommend Brilliant Earth. Could not be happier! ...Read More

December 28, 2022
Brenden's fiancé
Absolutely Stunning & In Love

I'm in love with my engagement ring! It's everything I envisioned it would look like and it's even more stunning. It's a beautiful rose gold band that is stunning in the sunlight. It's 1.10 carat, oval cut diamond, & a halo of diamonds surrounding the main diamond to make it look like a starburst! ...Read More

November 18, 2022
Absolutely Perfect

The ring was even more stunning in person than it was in the original design photos (which I didn't think possible)- it met or exceeded all my expectations. The communication on order and delivery were great and customer service was super helpful. ...Read More

Order Details

*Estimated delivery if ordered by 2 PM PT today

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Free 30 Day Returns

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.

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Gemstone engagement ring in box