Wedding Ring Set with Marquise ShapeDescription When I thought about the marquise ring I wanted to leave it plain but with a little twist. I engraved half of the marquise with a little hammer. The wavering was a perfect match for the marquise ring as a stacking ring The rings are made of 18k yellow gold with a matte finish. Ring 1: 18k wave curved ring recycled yellow gold Width: 1. 7mm 2mm approx Ring 2(marquise): 18k engraved recycled yellow gold Width: 2. 5mm approx Thickness: 1. 6