Strong global demand for coloured gemstones,1 particularly in India and China, has led to a phenomenal expansion of the market in recent years (KPMG 2014). Levin (2012) suggests that globally, 80 p…
Kopp, Dawn M. - Tang, Jennifer H. - Stuart, Gretchen S. - Miller, William C. - O’Shea, Michele S. - Hosseinipour, Mina C - Bonongwe, Phylos - Mwale, Mwawi - Rosenberg, Nora E. - O’Shea, Michele S - Hosseinipour, Mina C.