Regarding increasing polished gem's yield from rough pieces, careful choice of initial size is essential. Generally, raw diamonds in the range of 1 to 2 carats provide a good balance between recovery rate https://www.alkebulanpminerals.com/product/diamonds-for-sale-by-carat-buy-gia-certified-diamonds/
Maximize Polished Diamond Yield: Ideal Rough Sizes (1-2 Ct)
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