History of Famous Jewels and Collections: Re: Duchess of Cambridge brooch ?

I do not recognize the brooch worn by the Duchess of Cambridge for the Festival of Remembrance at Royal Albert Hall.

Maybe her pearl and diamond acorn brooch - but not sure

Franck

Previous Message

I also think that the Duchess of Cornwall was wearing a new set of earrings.

Maybe ruby and diamond

Franck

Previous Message

Was the Duchess of Cornwall wearing a new set of earrings to the Festival of Remembrance recently? I haven't seen/noticed them previously.

Some closer views.

Although the stones appear colourless, they seem to lack the sparkle of diamonds.

What do others think?

What gemstone might be in the earrings?