Could it be the emerald and diamond bracelet that can be worn as a choker, it's now in the Luxemburg family.
--Previous Message-- : This month I'm writing a series of articles at : The Court Jeweller on Belgian royal : brides. Today the first installment was : published, on the civil and religious : weddings of King Leopold and Queen Astrid. : You can read the entire post here . : : I used contemporary news articles from the : Times , the New York Times , and the : Washington Post for the majority of my : research; many of these included syndicated : information from the Associated Press. The : articles mentioned various bejeweled wedding : presents, some of which were apparently : displayed in Prince Carl and Princess : Ingeborg's drawing room: : : -- the pearl and diamond tiara made by : Andersson (gift from the people of : Stockholm) : -- a diamond necklace (gift from Astrid's : uncle, King Gustaf V of Sweden) : -- a diamond and emerald brooch (gift from : Astrid's father, Prince Carl of Sweden) : -- a "family heirloom" necklace of : rubies (gift from her mother, Princess : Ingeborg of Sweden) : -- an emerald and diamond necklace (gift : from Astrid's parents) : -- a tiara set with diamonds and a single : large emerald (gift from Leopold's parents, : King Albert I and Queen Elisabeth of the : Belgians) : -- the Nine Provinces Tiara (gift from the : Belgian government, presented to Astrid in : February 1927) : : I'm especially interested in any information : that anyone has about the emerald and : diamond tiara from the Belgian royals. The : newspaper description -- "a diamond : tiara with a huge emerald in the centre from : the Belgian King and Queen" ( NY Times : ) -- does not seem to fit the emerald and : diamond necklace/tiara that Astrid received : from them (usually said to have been a gift : on the birth of King Baudouin). :