Training available on udemy and Blender Market:
https://www.blendermarket.com/products/jewelry-creation-with-blender
https://www.udemy.com/course/blender-jewelry-creation/?referralCode=340FD4FE688B35998A8F
In French:
https://www.udemy.com/course/blender-creation-en-bijouterie-3d/?referralCode=AC8CF38262A75333B0F7

My other trainings:
https://www.udemy.com/user/deville-julien/

My other products:
https://blendermarket.com/creators/yojigraphics