Use of gems for astrological purpose
Study of Setting –Channel, Prong, Pave, Kundan
Plate, Flush, Illusion, Invisible and Tension.
others
Links:
[1] https://www.jewellery.iisuniv.ac.in/courses/subjects/bsc-jewellery-design-and-technology-17
[2] https://www.jewellery.iisuniv.ac.in/academic-year/2015-2016