Sapphire 1.5mm Four-Prong Comfort Fit Ring in 18K White Gold
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Sapphire 1.5mm Four-Prong Comfort Fit Ring Set with 6mm Premium Blue Round Sapphire

Petite and delicate, this classic four-prong solitaire engagement ring has a rounded inside edge for increased comfort. ... Read More

Metal: 18K White Gold

AUD 3,665 (Taxes Not Included)

Order now and your order ships by Tue, Jul 30, depending on ring size.

Schedule a personalized, in-person visit to discover the perfect ethical origin fine jewelry piece for your milestone moments.

Ring Information

18K White Gold
Prong metal:
14K White Gold
Average width:
1.5 mm
Rhodium Plated:

Center Gemstone

Dimensions Dimensions:
6.0 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.
November 1, 2023
Jay Mac

The service and quality of the ring was amazing! The appointment went smoothly and staff was very helpful. ...Read More

October 17, 2023
Amazing ring, Amazing Diamond

Buying from Brilliant Earth was really a good experience overall. I know there are cheaper alternatives for lab-grown diamonds, but BE was the only place I found with the highest quality of diamond. And, in person, it is a stunning, stunning diamond and ring. As a first-time buyer, my consultant helped me learn the ins and outs of the rings and was very flexible with whatever needs I had. She was also very quick to video chat or get on the phone as needed. There were a few loose ends I needed to do some follow up on, such as getting my authenticity certificate and following up on a resizing request, but none of it was hard. I would definitely recommend BE to a first-time buyer or anyone. ...Read More

October 16, 2023
Pleased Customer
Fantastic product!

I am very pleased with this ring and with Brilliant Earth in general. The entire experience was easy and top notch. ...Read More

Order Details

*Estimated ship date if ordered by 2 PM PT today

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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 ring on wooden jewelry box.