Do you know what distinguishes a Tahitian Pearl from a Akoya Pearl? Are you able to tell a treated from a none treated pearl? Do you know what gives pearls their iridescent colour?Learn all this and much more by joining Alexandra’s seminar on emeralds, in store, at 75 Ledbury Road, London W11 2AG. Drinks & nibbles will be served along with some goodies. Places limited to 10 people.