According to "The Queens Jewels" by Leslie Field (1987), "In every royal home there are reinforced strong rooms where precious objects and jewellery can be stored. The vault at BP is deep underground in an old air raid shelter wired up to the Palace police station. There is a safe in each of the Queen's dressing rooms in her different home's. These are under the jurisdiction of her dresser." (page 17)
"Varying estimates as to the extent of the collection as there is no complete inventory, either official or unofficial". (page 17) (gosh that's hard to believe
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According to Fields "research of historical pieces worn or unworn ( page 17) 14 tiaras, 37 pair of earrings, 101 brooches, 58 necklaces, 37 bracelets, 6 pendants, 14 watches and 15 rings. "
These are the pieces handed down with unique provenance not personal pieces.
This is interesting since we hear so much about Diana's gold Cartier watch.
"The Swiss Federal Republic presented a specially designed platinum watch to the Queen as a wedding gift. Made by Vacheron & Constantin. The diamond encircled round watch face is joined to a diamond-set strap with loops of diamonds. She gave the watch to Diana as a wedding gift." (page 79)
It's a very delicate, thin band (think tennis bracelet) beautiful piece. I wonder what happened to it? Was it returned to the royal collection or given to a son....inquiring minds would love to know. Now that I've seen it, I'll try to watch for it.
I'd forgotten this book, since I'm laid up I've been deep diving in my library and was delighted to find it again.