The Mappin & Webb Empress Pendant features radiating 0.08ct of white diamonds set in18ct white gold. Inspired by an exotic motif, presented by Mappin & Webb to the Queen of Siam, the signature Empress collection brings to us the elegance of a mystical time past. Befitting it's namesake, this gold necklace is fit for an Empress. Length: 18 inches with a 16 inch extender.