Grand Duchess Elizabeth Fyodorovna Emeralds
well the video is now uploaded again on youtube

…the history of this Romanov Jewels was published in 2010 with  detail of the tiara, worne from Grand Duchess Ella on the occasion of the wedding  in 1894 at Coburg, you will find some of the pictures also – as well as the large one of the tiara I had made from all sides

http://www.royal-magazin.de/russia/ella/ella-bolin-emerald-tiara.htm

http://www.royal-magazin.de/russia/ella/maria-pavlovna-sweden-ella.htm

http://www.royal-magazin.de/russia/ella/ella-smaragd-kokoshnik.htm

http://www.royal-magazin.de/russia/ella/ella-emeralds-queen-yugosl.htm

http://www.royal-magazin.de/russia/ella/ella-emeralds-queen-mignon.htm

http://www.royal-magazin.de/russia/ella/ella-emeralds-stomacher.htm