Multi-color sapphire briolettes hand from 18-karat yellow gold Navette wire earrings. A classically trained goldsmith, Barbara Heinrich is known for her contemporary designs, multi-textured finishes and use of vibrant gemstones. The award-winning jeweler draws inspiration from nature to create pieces that exude elegance and timeless beauty. Multi-color sapphires, 2.91ctw. 18-karat yellow gold; pierced only.