Sirius is made in 9 carat gold, with a stick in 14k. The Ring got a pink oval freshwater pearl and a little natural color pink freshwater pearl.
Space seeks to elevate the peachy-pink pearl to as high a regard as a fine diamond, making it stand out from the rings.
All the rings from' Space' are cool to mix together as well.
They are either made in silver & gold mixed together, or only gold.