Final carats tally comp., page-322

99% of the income from the auction with come from the top 75% of the quality range. Stop worrying about the low quality stones.

In regards the split between GEM’s primary and secondary sourced stones I already went through the maths for you in how this mans that 96% of all the rubies they source are from primary sources. As other have explained most of the income comes from the 4% that come out of the secondary sources.

This common misunderstanding of how GEM’s mining model is different to MUS’s is the fundamental reason the SP is at 16c. It does not really matter now as everything will change next week where instead of talking about GEM’s model we will move on to MUS’s actual model.