A shimmering opal sits at the center of a delightful golden scarab ring all glitzed up in tiny emeralds, tsavorites and sapphires. 18k gold/opal/emerald/tsavorite/sapphire. Made in the USA. SPACE: A shop for emerging and advanced designers. Daniela Villegas's multi-gemmed, multi-element rings and earrings would feel at home at the Museum of Natural History; their skeletal forms and arthropod references convey ideas about movement and time, exploration and adventure..