Are there any courses related to the jewelry sector or diamonds available for masters abroad in UK/Ireland for a Master's/MSc?

Yes, there are master's programs abroad related to the jewelry sector and diamonds, especially in the UK.

- UK: You can find specialized master's programs such as Silversmithing and Jewellery Design, MA in Jewellery, and MSc in Gemmology. These cover areas like design, craftsmanship, diamond grading, and the global gem trade. - Ireland and New Zealand: Currently, there are no master's programs specifically focused on jewelry design or gemology.

For diamond grading and gemology, professional programs like those from the Gemological Institute of America (GIA) and International Gemological Institute (IGI) are also available worldwide.