If you want the full version and license for commercial use,
you can purchase here :

https://fontkong.com/product/gient/

File include : 

1. Gient.otf
2. Gient.ttf
3. Gient.woff
4. Gient Italic.otf
5. Gient Italic.ttf
6. Gient Italic.woff
7. Gient Swash.otf
8. Gient Swash.ttf
9. Gient Swash.woff
10. Gient Swash Italic.otf
11. Gient Swash Italic.ttf
12. Gient Swash Italic.woff