If you are in the market for a unique engagement ring that is also sustainable, look no further than our Marquise Lab-Grown Engagement Rings. Our collection includes vintage, halo, bezel, solitaire, and 3 stone designs. Each ring can be customized in any carat size such as 1 ct, 2 ct, or 3 ct, as well as in white, yellow, rose gold, and platinum. Marquise Lab Grown Engagement Ring | Marquise Engagement Ring | Best Brilliance