Miriam of Bulgaria, daughter-in-law of the country’s last king, wears a diamond floral tiara with a suite of coral jewels for the Danish crown princely wedding, May 2004; the provenance of the tiara is unknown, and I think it’s possible that the tiara (and maybe the entire suite of jewels, as the earrings appear to share some design commonalities with the tiara) was a loan for the occasion