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Shown With 8mm Round Aquamarine

Aquamarine Catalina Ring Set with 8mm Fine Round Aquamarine

This dazzling six-prong solitaire features clean, classic lines and delicately tapered shoulders arching towards the center gem. ... Read More

Metal: 18K White Gold


Size Guide

Order now for delivery by Tue, Aug 30

Bethesda Row, Bethesda showroom entryway

Bethesda Row, Bethesda

4733 Elm Street, Fl 4
Bethesda, MD 20814


Thurs-Mon: 10am-7pm

Book An Appointment

Ring Information

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

Center Gemstone

Average DimensionsAverage Dimensions:
8.0 x 8.0 mm
Average ColorAverage Color:
Average ClarityAverage Clarity:
Eye Clean

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.
June 7, 2022
A beautiful, timeless ring I can't wait to wear forever!!

I was looking for a timeless, cathedral style ring that I could wear forever and this one is perfect! Customer service is attentive both in the showroom and online. I love brilliant earth! ...Read More

March 14, 2022
She loves it!

The details 1.24 Carat, Round, Super Ideal Cut, D Color, VVS2 Clarity, Catalina setting Finger size 4.25! The diamond is perfect clear bright and the setting holds the diamond at the perfect height! ...Read More

January 4, 2022

DONT waste your time else where. Brilliant Earth is where you will find all of your jewelry! Specifically your engagement ring!! My ring is to die for! I get compliments on a daily bases! It shines in any light, the design is breath taking and the cut of my diamond is perfection! You will not be disappointed! The ladies in the show room were so kind and helpful. I was not forced to look or consider any setting, style or cut I wasn't already considering. I have been the victim of really really good sales people and Brilliant Earth was nothing like that. I didn't feel like I was just another dollar figure on someone's commission check. I felt like the ultimate goal was to find a ring within our budget and most importantly that I loved! I wish I could remember the name of the woman who helped us because I would totally give her a shout out! ...Read More

Order Details

*Estimated delivery 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