Regarding boosting polished gem's yield from rough pieces, careful choice of initial size is critical . Generally, uncut diamonds in the range of 1 to 2 carats provide a good sweet spot between recovery https://www.alkebulanpminerals.com/product/buy-gold-dore-bars-raw-dore-gold-for-refining/
Maximize Polished Diamond Yield: Ideal Rough Sizes (1-2 Ct)
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