The blue-green glow of the Paraíba tourmaline is the cornerstone of an exceptional new creation by Arnold & Son, introduced to the world at the Geneva Watch Days event. Luna Magna Ultimate II is adorned with PVD-treated ruthenium crystals. Encircled by baguette-cut diamonds, the dial adopts the same shade as the Paraíba, which is one of the rarest and most precious gemstones and is pavé-set on the three-dimensional astronomical moon. Luna Magna Ultimate II, a limited edition of eight pieces, takes Arnold & Son’s manufacture creations to exclusive new heights.   With this launch, Arnold & Son releases a new high-jewelry version…