A twist on our best-selling Heirloom Pendant, the Onyx Inlay Heirloom Necklace is a staple and makes the perfect gift. This fun classic features a hand-cut black onyx set in 14K yellow gold. The GATES Collection by M. Flynn is a jewelry collaboration with interior designer and blogger, Erin Gates. *Read our care guide to learn more about how to care for semi-precious inlay, or contact us with any additional care/storage questions.