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OPEC BORA BORA - BP 922 VAITAPE - POLYNESIE FRANCAISE - opecdirection@orange.fr


 

QUALITY :

 

One advisor of the Mikimoto Company, Shigeru Miki, made the following statement in the August 1985 National Geographic article by Fred Ward : « The most important quality of a cultured pearl is thickness of the nacre (mother of pearl)... A thinly coated pearl won’t last many years ».

 


 

Golay Buchel, prestigious jewellery discusses nacre thickness in its booklet PEARLS (p. 34) : « Remain flexible with regards to colour, size, shape and light surface markings, but never make concessions regarding the thickness of the coating ».


 

Mrs Renée Newman, graduated gemologist of the Gemological Institute of America (G.I.A.) writes in her book PEARL BUYING GUIDE (p. 96) : « Usually the best way of determining the nacre thickness of a black pearl is with an X-ray ».


 

Hisada and Komatsu of the Mikimoto Co. put nacre thickness at the top of their list of black pearl quality factors in their book PEARLS OF THE WORLD (p. 90) they state : «... its durability depends on the thickness of the nacre, its quality and quantity ».


 

Mr J.P. Lintilhac, states in his book BLACK PEARLS OF TAHITI (p. 85) : « Formerly a big pearl meant a good thickness of nacre, but with the supergrafts used today size is no guarantee ».

 

Mr Pierre Lérigé, as General Manager of the Office Polynésien d’Expertise et de Commercialisation for the Tahiti cultured pearl, says :

« If you buy a pearl with not enough thickness of mother-of-pearl, you are likely to see some day the nucleus coming out with a big white stain on your pearl ».

 

 

 

 

 

At the OPEC Bora Bora, all the pearls, 10 mm to 21 mm in diameter, are X-rayed in front of you

which enables you to control with accuracy the thickness of mother-of-pearl layers on the pearl you buy.



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