Nope Glenn. That occasion was the year before - centenary of the Greek Royal House.
Here a photo of the Danish Sovereigns from that banquet in the Grande Bretagne in their honour.
Note that Queen Ingrid wore three brooches, at least. More glittering, impossible!
--Previous Message-- : It was at this event that Queen Ingrid wore : the big diamond tiara that Crown Princess : Marie Chantal wore in Copenhagen ;oP :