Santa Cruz artist Lily Hudson handcrafts this necklace with citrine and labradorite. Lily Hudson makes Stone Necklaces interesting through the small choices in shape, material, and finish rather than extra fuss. Citrine and labradorite. The appeal of Stone Necklaces is in the details, especially the mix of citrine, labradorite, and natural stone and the necklace silhouette. In Stone Necklaces, Lily Hudson lets the shape, color, and materials carry the design.