Classification des Perles - Tableau d'équivalences internationales
TAHITI
Top Gem
A
A/B
B+
B
B/C
C+
C
D
Top Gem
A
A/B
B+
B
B/C
C+
C
D
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INTERNATIONAL
Gem Grade
AAA
AA+
AA+
AA
AA
A+
A+
A
Gem Grade
AAA
AA+
AA+
AA
AA
A+
A+
A