Collection - GYPSEAbeach › Byzantine Keyhole Image 1 of 2 Image 2 of 2 Byzantine Keyhole $0.00 Natural ivory-toned keyhole shell set in 14k rose gold with a genuine diamond center on an 18” rose gold paperclip chain.Inquire about this piece Inquire for availability and pricing Added! Natural ivory-toned keyhole shell set in 14k rose gold with a genuine diamond center on an 18” rose gold paperclip chain.Inquire about this piece