WHEN the Argyle diamond operation started mining in 1983 it introduced 25 million carats into a market which was producing 50 million carats.The world was dismayed. This meant Argyle needed a structured approach to marketing.Argyle identified Ind...

WHEN the Argyle diamond operation started mining in 1983 it introduced 25 million carats into a market which was producing 50 million carats.The world was dismayed. This meant Argyle needed a structured approach to marketing.Argyle identified Ind...