Your choice between 9k and 18k solid yellow gold.
Solitaire ring: approx. 4-7mm wide domed band; 2-3mm thickness; 0.25ct Sapphire in a thick bezel setting
Stacked band: approx. 3mm wide band; 2mm thickness; 1.2mm Australian sapphire, blue sapphire, light blue sapphire, aquamarine sapphire, natural white diamond in flush setting.