Pearl Grading

AAAAA AAAA AAA AA A
OVERALL
TOP GRADE 
Represents 3% annual yield
VERY HIGH GRADE
Represents 7% annual yield
HIGH GRADE
Represents 10 % annual yield
MEDIUM GRADE
Represents 20% annual yield
COMMERCIAL GRADE
Represents 30% annual yield
LUSTER
EXCELLENT
VERY HIGH
HIGH
GOOD
MEDIUM
SURFACE
95% BLEMISH FREE SURFACE
90% BLEMISH FREE SURFACE
80% BLEMISH FREE SURFACE
70% BLEMISH FREE SURFACE
60% OR BETTER BLEMISH FREE SURFACE
SHAPE
ALMOST PERFECT ROUND
ROUND
SLIGHTLY OFF ROUND
OFF ROUND
 OFF ROUND & NOT ROUND

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