Mom Royal Ring by Maria Black. The popular MOM ring is finally back, in a unique and super cool variant! This unisex ring can be your next statement piece. A classic with a cool old school vibe, featuring a white zirconia stone in the center. Wear it alone or stack it with other rings. For all mothers, mamas, and co-mothers - you are amazing and we celebrate you with this ring. Material: 925 sterling silver Plating: White rhodium Stone: zirconia stone.