Matched triads of Australian opals glimmer in 14-karat gold settings on stunning earrings hand cast and finished by artisans in designer Wing Yau's New York City studio. 2mm opal diameter; 5mm triangle height; 5mm triangle width. Post back. 14k-gold/opal. Made in the USA. SPACE: A shop for emerging and advanced designers. Wake's minimal forms, crafted in New York from ethically sourced stones by designer Wing Yau, redefine traditional heirloom jewelry as simple, valuable art objects infused with the wearer's stories..