Sapphire Sienna Diamond Ring (3/8 ct. tw.) in 18K White Gold
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Sapphire Sienna Diamond Ring (3/8 ct. tw.) Set with 8x6mm Blue Oval Sapphire

This glamorous ring secures the center gem with elegant claw prongs and features French pavé diamonds, a setting style that allows light to reach the diamonds from multiple angles and enhances their sparkle. ... Read More

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Ring Information

18K White Gold
Prong metal:
18K White Gold
Average width:
2.3 mm
Rhodium Plated:

Accent Gemstones

Min. carat total weight Min. carat total weight:
French pavé
Average ColorAverage Color:
Average ClarityAverage Clarity:

Center Gemstone

Dimensions Dimensions:
8.0 x 6.0 mm
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.
We’re leading the jewelry industry towards clean energy. We use clean energy in our showrooms and offices, have displaced all other corporate emissions since 2018, and support wind and solar energy projects through collaborations that help address climate change.
Our packaging uses recycled materials made with less energy, less water, and fewer emissions. We make our iconic ring boxes with wood certified by the Forest Stewardship Council and design them to last lifetimes. Since 2021, we’ve used 100% recycled paper, saving hundreds of tons of CO2, and we’re shrinking our packaging even more to further reduce waste.
August 2, 2023
So beautiful!

I love this ring! The setting is beautiful - I recommend going to one of the Brilliant Earth stores and trying the rings on in person. I didn't even have my eye on this setting when shopping online, but loved it the most in store! I have it set with a 1 ct pear lab diamond - absolutely stunning :) ...Read More

March 25, 2023
Mel's Finance
Looks amazing!

A ring almost as beautiful as the woman I gave it to. Can't recommend Brilliant Earth nearly enough to my friends! I bought the ring a bit too big and customer service notified me of the free responding. The resizing was handled exceptionally well, and the ring was back to us in no time. Thank you guys! ...Read More

December 2, 2022
D's fiance
She picked it out and was still stunned

Amazing ring and the sparkle is amazing. The thicker band is more flattering for people with larger fingers. ...Read More

Order Details

*Estimated ship date if ordered by 2 PM PT Monday

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Layaway options also available.

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Gemstone ring on woooden jewelry box