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Buying Examples
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These are examples from an actual buying situation. The diamonds were from a well known ‘brand’ and all had excellent GIA symmetry. Rejected - slightly too much leakage They show some white leakage areas just inside the table. 
 OK Partial leakage through the table is not as bad as it seems. The ideal-scope is very harsh on partial leakage; although it looks like about 50% leakage, the palest areas leak less than 25%. 
Good buys The small bits of leakage near the edges add contrast; all very fine diamonds. 
 The third stone was only graded GIA ‘Good’ for symmetry, but it looks exceptional to the human eye Rejected for poor symmetry 
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