Your choice between 9k and 18k solid white gold.
Solitaire ring: approx. 2.5mm wide band; 1.5mm thickness; 0.23ct manmade Charles & Colvard Forever One Moissanite (round brilliant cut; D-F colour, VS clarity) in a thick bezel setting.
Wave arch: approx. 2mm wide band; 0.01ct manmade Charles & Colvard Moissanites in flush setting.