Robin Haley necklace. The Holy Spirit is an ancient Nordic cross. C. 900 AD. We love the delicate dreaminess of Robin Haley's work. The shapes and images in the Artifacts Collection are taken from the original piece. Fashioned in 14kt yellow gold with diamonds and hung from a simple chain with lobster clasp. 17" chain. Cross approximately 9/16" width. Height with bail approximately 7/8".