Shop › Lab Grown Marquee Diamond Ring with Halo Image 1 of 2 Image 2 of 2 Lab Grown Marquee Diamond Ring with Halo $9,000.00 Halo Marquise Lab-Grown Diamond Engagement Ring with 2.48 ct. (2.00 ct. center diamond) Size: Select Size 5 5.5 6 6.5 7 7.5 8 8.5 9 9.5 10 10.5 11 Color: Select Color White Yellow Quantity: Add to Cart Added! Halo Marquise Lab-Grown Diamond Engagement Ring with 2.48 ct. (2.00 ct. center diamond)