Netherlands have a wonderful collection of pearls (and diamonds, saphires, rubies, emeralds, etc) and I love the fact Max is not minimalist and take full advantage of the Jewellery vault
The Dutch Royal Jewels are indeed a wonderful collection.
A nice overview can be found on:
http://www.dutchroyaljewels.nl/OMG!

Enjoy

I had posted the link here before, but I noticed the site has been updated since.