Round Cut Eternity Lab Diamond Band Ring in Platinum - 3.8mm

A modern classic that never misses. The women’s 3 Carat Round Cut Eternity Band features a seamless line of radiant round stones, set all the way around a polished platinum band. It’s timeless, elevated, and designed to shine from every angle. Whether worn solo or stacked, this ring delivers unforgettable brilliance.

All Lab Diamonds over 1 CT comes with a certificate of authenticity from a recognized gemological institute (IGI).

Discount codes are NOT valid on Platinum orders.

We cannot accept returns on made-to-order Platinum items.

Please allow up to 4-8 weeks for production time on ALL Platinum items.

Don't know your ring size?

Review our sizing chart below to find your best fit.

- Available in sizes: 5, 6, 7, 8, 9, 10, 11, 12, & 13

- Width: 3.8mm

- Total Carat Weight may vary by 3-5%

- Ring Weight (can vary +/- .5 grams by size)

                  - Sizes 5-13: 12 grams

- White Platinum with Lab VS diamonds

In order to accommodate holiday shopping, all orders placed from November 23rd 2025 until December 31st 2025 may be returned or exchanged until January 15th, 2026.

We gladly accept returns/exchanges for items in unworn brand-new condition, within the first 14 days after receipt of your order.