Why Do High Jewellers Like Louis Vuitton And Cartier Want Kashmir And Burmese Sapphires?

I think quality should be given more importance than locality. Of course. jewelers like Louis Vuitton and Cartier can afford to select the best quality from Kashmir for their clients at a cost.

Useful links:
https://www.louisvuitton.com
https://www.cartier.co.uk
https://www.scmp.com/magazines/style/luxury/article/3043687/why-do-high-jewellers-louis-vuitton-and-cartier-want-kashmir