Media

What is "Kokoro"

https://qz.com/946438/kokoro-a-japanese-word-connecting-mind-body-and-spirit-is-also-driving-scientific-discovery/

Please find information about Gems below

Diamond Characteristics 4C's

https://4cs.gia.edu/en-us/diamond-buying-guide/

Color Diamonds - Pink, Blue and Yellow
https://www.gia.edu/fancy-color-diamond

Sapphire, Emerald and Ruby
https://www.gia.edu/sapphire
https://www.gia.edu/emerald
https://www.gia.edu/ruby