Sirius is made in 9k gold, with a stick in 14k gold with a pink 9mm. opal on top.
Or in silver with a silver stick with a 9mm. opal on top.
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.