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Shown With 6mm Round Sapphire

Sapphire Petite Quattro Bridal Set Set with 6mm Blue Round Sapphire

This petite bridal set features a softly defined square band for a clean and traditional look. ... 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:
1.5 mm
Rhodium finish:

Center Gemstone Details

Stock Number:
Sri Lanka
Eye Clean
6mm Blue Round Sapphire

Wedding Band Information

Petite Quattro Wedding Ring
18K White Gold
Average width:
1.5 mm
Rhodium finish:

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.
March 3, 2021
Kat and Jen
We are both so happy with the ring! Perfect!

The purchasing process was great, our rep was very helpful and friendly. I especially loved the ability to find the exact style/size/color diamond in the price range we wanted. I am super happy with how it came out. Exactly as pictured. ...Read More

October 21, 2020
I would recommend this to anyone. It came out perfectly.

I chose the build your own engagement ring option. I was nervous purchasing online at first, but their customer support was always very responsive and guided me through the process. My fiancé mistakenly gave me the wrong ring size and we were able to send it back to get it resized free of charge. I was so pleased with the experience I've told any of my friends who are in serious relationships about it. ...Read More

March 1, 2020
Wonderful Ring, Wonderful Customer Service

Big props to Brilliant Earth (and Gavin in particular) for the perfect experience and perfect engagement ring! ...Read More

Order Details

*Estimated delivery when 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.

Learn More
Gemstone engagement ring in box