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Shown With 6mm Round Sapphire

Sapphire Sonora Diamond Ring Set with 6mm Blue Round Sapphire

This classic engagement ring features cathedral archways adorned with dazzling French pavé diamond accents and a lofted prong-set center gem (1/10 total carat weight). ... Read More

Metal: 18K White Gold


Size Guide

Delivery by Christmas

Order now for delivery by Thu, Dec 9

Georgetown, Washington DC showroom entryway

Georgetown, Washington DC

3332 Cady's Alley NW
Washington, DC 20007


Daily: 10am–7pm

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Ring Information

18K White Gold
Prong metal:
14K White Gold
Average width:
1.6 mm
Rhodium finish:

Accent Gemstones

Min. carat total weight Min. carat total weight:
French pavé
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.
September 23, 2021
Colleen's Fiancé
Gorgeous and exceeded expectations.

Fiancé is in love with the ring. The quality and design looks even better in person. ...Read More

September 13, 2021
She loved it.

So, she said yes. Which is ideal. As to the ring, it turned out great. I went with a cushion cut, so some of the images looked a little different, but the ring looked better than the pictures. I hope I never have to buy another engagement ring, but if I did, it would be from brilliant earth. ...Read More

August 19, 2021
Mary's fiancée
The perfect ring!!!!

My fiancée and I picked out/designed this ring together and we are both completely in love with how amazing it turned out! My fiancée wanted an oval cut ring (we ended up choosing a 2.1 carat oval) and this sonora setting perfectly complemented the large oval shape. A huge thank you to our wonderful diamond salesperson at the chicago location for helping us find this perfect setting that would allow a future wedding band to sit flush with the oval shape! Without her help we would not have known that many oval rings prevent wedding bands from sitting flush with the engagement ring! ...Read More

Order Details

*Estimated delivery time if ordered by 2 PM PT Monday

Free FedEx Shipping

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