The Orion South diamond project, in central Saskatchewan, has been confirmed to contain an high proportion of rare type diamond – Type IIa – which account for less than 2% of all natural diamonds mined from kimberlites.
A recent study has confirmed that “unusually high” proportions of Type IIa diamonds are present in the Star (26.5%) and Orion South (12.5%) kimberlites, Star Diamond Corporation reported on Monday.