I have a diamond but need a ring clearance

Product Name: I have a diamond but need a ring clearance
I was wanting some help looking for a good place to get something similar to what I have below. It's a 1.5ct oval solitaire ring from Kay Jewelers, but it is out clearance, I have a diamond. I'm looking for a setting for my gf. She likes a very minimalistic look. I love the Tiffany, but I didn't realize that you can't just buy their clearance, Resetting your Heirloom Diamond - and - How to Buy a Ring Setting Without Buying a Diamond - LITTLE BIRD clearance, I was wanting some help looking for a good place to get something similar to what I have below. It's a 1.5ct oval solitaire ring from Kay Jewelers, but it is out clearance, Resetting your Heirloom Diamond - and - How to Buy a Ring Setting Without Buying a Diamond - LITTLE BIRD clearance.