Vintage Style Leafs on Vine Engagement by AdziasJewelryAtelier // I like this because it's all channel set. Channel set rings don't get their prongs caught on things and, in my opinion, are more secure. This is a bit too intricate for me, but I do find it appealing.
20k Rose Gold Verragio AFN-5025CU-4 Triple Halo 3 Stone Engagement Ring
This Diamond Engagement Ring is from the Verragio Insignia Collection. It features of shared-prong set Round Brilliant Diamond Melee that enhance a round diamond center of your choice. The width tapers from at the top down to at the bottom.