Marquis Stone Thick Lab Diamond Engagement Ring in Platinum

Crafted in luminous platinum, the Marquis Stone Thick Engagement Ring in Platinum is a bold expression of everlasting love. The elongated marquis-cut center stone adds elegance and edge, while the thick, polished band gives the piece structure and modern weight.

Whether worn to celebrate a proposal or as a meaningful symbol of personal commitment, this ring makes a powerful impression—refined, regal, and built to last a lifetime.

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.

Review our sizing chart below to find your best fit.

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

- Carat weight listed includes stones in band (could vary by 3-5%)

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

          -Platinum:

                  -4.5 CT Sizes 5-13: 9g

                  -5.5 CT Sizes 5-13: 11g

                  -6.5 CT Sizes 5-13: 12g

- Platinum 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.