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 Pearls  » Hanadama Certificate Explained
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Hanadama Certificate Explained
 
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Hanadama Pearls
Hanadama Certificate Explained

Hanadama certified pearls means 'flower pearl' - it is a name that is issued to Japanese Akoya pearls that have been reviewed by the Japanese Pearl Science Laboratory and that pass the review process.

Only the EXACT strand of pearls that has been reviewed by the Pearl Science Laboratory can be named and sold as a Hanadama grade pearls.

The strand of pearls labeled as Hanadama pearls should be accompanied by a Hanadama certificate issues just for that specific pearl necklace.


 
Hanadama Certificate Explained
   

The top portion of the Hanadama Certificate shows the pearls that were evaluated by the Pearl Science Laboratory. For the certificate to remain valid, the same number of pearls that were evaluated must be present on the necklace. Another words, no substitution of pearls is allowed in the strand AFTER a certificate is issues.

This section shows the type of pearl, style and the pearl size.


   
This section shows methodology used to test and examine the pearls. Noteworthy is the x-ray testing which shows the thickness of pearl nacre - this is the only 100% fool-proof way of determining nacre thickness.
   
Individual Certificate Code for this specific strand
   
Thickness of the pearl layer (nacre) test by X-ray and also by Fiber Optical inspection.
   

TERI-Value Analysis is an indication of of the luster of the pearl. Luster is one of the highest value factors for a necklace - a higher luster is preferred.

Imperfections is the level of blemishes on the pearl surface. The less blemishes the more valuable a pearl. In Hanadama case, the blemish level must be very minute.

   
Conclusion that this strand is a HANADAMA quality strand.
   
Conclusion that this strand is a HANADAMA quality strand.