Those who have complained that it is not a necklace, it never Claimed to be a necklace. (although you Could thread a chain around the pin I suppose)
It is a brooch, and a stunning one at that!!!
Got these to use as small salt cellars for a long family holiday table setup. They are perfect for that and in between large gatherings are attractive enough to leave out on display. My daughter appropriated one to hold her rings on her bedside table.