History of Famous Jewels and Collections: Re: Queen Mary's black pearls

On the YouTube documentary The Queen and her cousins, I'm sure I saw a movie clip with QM wearing what appeared to be a black pearl necklace and earrings. I'll have to verify if it was indeed that documentary or another one. I also thought I saw the pearl necklace that the late princess Diana wore to the Opening Parliament that some think that was a borrowed piece. It looked like it was worn as a bracelet.

Regards,

Dave.

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Recently I posted photos on Instagram showing Queen Mary wearing her black and white pearl bracelet, now worn by QEII, and also a photo of Queen Mary wearing a black pearl necklace.

Bracelet

Necklace

We also know that Queen Mary had black pearl earrings.

Has anyone ever seen any other photos of Queen Mary with black pearls?

In many ways I am surprised that we haven't seen at least the necklace being worn by another royal lady.