I have read the stones are Brazilian tourmalines - and I seem to recall they were first worn by Queen Sonja for a state visit in Brazil in 2003 (the stone in the tiara was worn as I brooch I think).
--Previous Message-- : It is not part of the Napoleonic emerald and : diamond parure. : : I think it is more probably part of the : modern set worn by Queen Sonja. On the : following picture, we can see the same : bracelet, worn along a necklace of matching : design (on 13th September, 2007, for the : State visit to Norway by the President of : Brazil, Luiz Ignacio Lula da Silva): : : : : I think we had not found, though, if the : green stones are emeralds, or tourmalines, : or another stone. : :