Pastille Sautoir. Labradorite, Blue Topaz, Green Chalcedony & Gold. This long-length necklace features 6mm faceted pastilles of Labradorite, Blue Topaz, Green Chalcedony, for a striking combination of luminous colours. The gemstones are enhanced by a fine 18k Yellow Gold diamond cut chain, which can be looped around the neck once, twice or three times for a versatile look. Measures 100cm including the clasp.