I like the leaf-style mounting, not the halo or the oval shape. The Rachael is a custom engagement ring crafted with a brilliant, conflict-free oval cut diamond wrapped in a rose gold brand. by Ken & Dana Design.
LUNA Solitaire engagement ring with a 3.00+ Carats Oval Cut diamond, exclusively by Jean Dousset.
Oval Halo Diamond Engagement Ring Featuring Half Moon & Round Cut Diamonds Weighing 1.56 Carats Total Weight in 18K White Gold. "Willow" by Gabriel available at BenGarelick.com https://www.bengarelick.com/products/gabriel-oval-cut-side-half-moon-diamond-engagement-ring