I took some pictures of the stones I’ve cut in the last year. This is a group of tourmaline from Afghanistan and Nigeria. Colours are pretty much spot-on with what I was seeing. Photo was taken in cloudy daylight. (no colour manipulations were done to this photo)

Faceted Tourmaline Gemstones from Afghanistan and Nigeria
Clockwise from left:
3.2 ct Afghan Indicolite; 3.78 ct Nigerian Rubellite; 2.35 ct Nigerian Dravite; 1.04 ct Nigerian Pink (colour-shift orange-pink to bubblegum); 1.41 ct Nigerian Teal; 1.44 ct Afghan Blue; 1.83 ct Nigerian Mint