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Dear all, We just uploaded on GIAthai.net and gia.edu websites a new study about one of the main challenges in pearl identification nowadays: The separation between natural and non bead cultured pearls. You will find this pdf at the following links: The microradiographic structures of non...

Dear all, A short post to inform you that I just put on GIA Laboratory Bangkok website a new expedition report about Melo pearls from Vietnam: http://www.giathai.net/lab_field_reports_VP03.php Hoping that this will interest you, All the best,

Dear GemGeek and pattye, Thanks for these nice comments, I will be very happy if these reports makes you appreciate more your pearls: Personally this visit has also really increased the interest I had for pearls in general and South Sea pearls in particular. I hope also that these photos of the...

Yes and no: We could witness that the size of the nuclei which are inserted is not the same for all oysters. It also seems that the thickness of the nacre produced by 2 oysters might be different even if they were grafted the same day and spent the apparently the same time in the water in the...

Thanks Caitlin, I'm happy to read that you appreciated it. Yes, to my knowledge most of them loose their identity as pearls from Mergui when they reach pearl trading centers like Hong Kong or Japan. All the best,

Hi all, I would like to invite you to visit the expedition report I just put online on my website regarding my visit to a cultured south sea pearl farm in Mergui in December 2007: http://www.fieldgemology.org/Gemology%20burma%20myanmar%20mergui%20pearl%20south%20sea.php I hope that you will...