Cassiopeia are made in solid 9k gold. With 14k Stick and gold Ball. It got a big fine white freshwaterpearl 9mm and a 0,03 carat pink sapphire in the melted 14kk gold ball in the end of the horizontally stick. in the other ring there is a white TW vs diamond in 0,01 carat.
Space seeks to elevate the peachy-pink pearl to as high a regard as a fine diamond, making it stand out from the rings.
They are either made in silver & gold mixed together, or only gold.