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Shown With 7mm Round Aquamarine

Aquamarine Calla Diamond Ring (1/3 ct. tw.) Set with 7mm Fine Round Aquamarine

A subtle, floral diamond halo blooms around the center gem resting on a petite shank in this exquisite ring (1/3 total carat weight). ... Read More

Metal: 18K Yellow 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 Yellow Gold
Prong metal:
18K Yellow Gold
Average width:
1.5 mm

Accent Gemstones

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

Center Gemstone

Average DimensionsAverage Dimensions:
7.0 x 7.0 mm
Average ColorAverage Color:
Average ClarityAverage Clarity:
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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.
November 10, 2021
Beyond beautiful

My husband surprised me on my birthday with a gorgeous aquamarine, my favorite color. It's absolutely stunning and goes beautifully with my BE wedding band! The stone itself is the most gorgeous, deep color that speaks to the quality. After the fact he explained that BE's service was top notch. I have an unlisted size (4.75) and BE's customer service was able to help my husband order a custom size. This is my 3rd ring from this company (including my original engagement ring) and I'm still in love! ...Read More

September 12, 2021

Absolutely beautiful. 1.37 excellent cut. H color. VVS2. So sparkly and looks huge in the setting. ...Read More

August 20, 2020
Better than imagined!

The Calla ring is just gorgeous!!!! I picked it out and "dropped a hint" to my now fiancé but when I saw it in person I was still in shock at how beautiful it was. We decided on a .9 carat diamond and I wasn't sure if it would look "big enough" but with the halo it looks perfect! I have gotten so many compliments on the 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