http://www.w3.org/ns/prov#value | - it is the same with GIA: In their proportions-based system 55-57% tables have the most possible EX combos.Among equally performing diamonds what you will favor is a matter of taste: As I mentioned, the near-Tolk combos are commonly thought to produce the best 'balance' of qualities; brightness, fire, scintillation and contrast.
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