Catherine debuted Mappin & Web Empress Earrings in 2015 at the Christening of Princess Charlotte. 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. The 18ct gold drop earrings set with 0.17ct of diamonds. At the time of this post, the store has 2 different pairs of Empress earrings ranging from £1,500.00 to £3,750.00, which one Duchess wore is difficult to determine. Duchess also own a matching Empress Necklace from Mapping & Webb.