Thank you Carlo, I was tiping at the same time you were, and you clarified the sources for my post just bellow.
--Previous Message-- : Princess Françoise's turquoise and diamonds : set it was Queen Olga of Greece's. : : In princess Françoise son's memoirs (Prince : Michael of Greece's "Memoires : Insolites"), the Prince writes that his : father, Prince Christopher, being the : youngest child, in the share of his mother's : jewels, he received the semi-precious ones, : turquoises. The older brothers got the : emeralds, the rubies, the diamonds and : pearls, etc. : : --Previous Message-- : The turquoise parure may be the one worn by : Princess Francoise, wife of Prince : Christopher. There is a frequently seen : photo of Princess Francoise wearing a very : complete turquoise parure. : : :