: PS. I switched the subject because I'm : practising keeping up with the change to the : names of the jewels ! :
No problem at all, Nellie. I usually also use (or at least I try to) the correct names of the jewels, but I particularly like the understatement of the expression "Granny's chips" for what is (as Boris wrote) one of the most valuable/expensive diamond brooches in the world .