Dame Helen in Pearls

[MintyFresh]

She looks fabulous in these rocks from Margot McKinney! You need confidence and height to pull these off. These must be South Sea pearls, right?

 

[ennui]

She looks fabulous in these rocks from Margot McKinney! You need confidence and height to pull these off. These must be South Sea pearls, right?

Yes, "And those magnificent Margot McKinney Australian South Sea pearls are quintessential Helen."

I'm not sure about the multi-color. Helen Mirren wore freshwater pearls to a Buckingham Palace garden party (Coleman Douglas Pearls).