Queen Fabiola of Belgium wears several layered gold necklaces during a state banquet in Brussels in honor of Grand Duke Henri of Luxembourg, March 2007; the necklaces haven’t been seen in public since Fabiola’s death

Queen Fabiola of Belgium wears a pearl necklace with floral detail for a reception in Brussels during the Portuguese state visit, October 2005; she layered the floral pearl necklace with a necklace featuring a heart-shaped pendant engraved with a portrait of her late husband, King Baudouin

Queen Fabiola of Belgium wears a diamond art deco necklace with a fabulous aquamarine pendant for the wedding of King Felipe and Queen Letizia of Spain, May 2004; this spectacular royal necklace has not been seen since Fabiola’s death, but many hope that it is now a part of Queen Mathilde’s jewelry collection