3 METHODES POUR DEVINER SI VOTRE DIAMANT EST UN VRAI !
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10:23
Comment reconnaître un vrai diamant ?
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11:30
Como os joalheiros identificam diamantes e falsificações reais?
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10:02
How are gemstones cut faceting a 30ct Brazilian amethyst
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7:58
Diamonds...REAL vs FAKE!
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16:24
#Caillou 04 Le Diamant
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58:03
Le diamant : du brut au brillant
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50:49
Por que a esmeralda é mais cobiçada que o diamante?
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21:19