The Gemmological Association of All Japan’s Zenhokyo Laboratory reports identification of yellow melee synthetic diamonds mixed with natural stones in jewelry during routine inspection via Micro -FTIR (Fourier-Transform Infared Micro-Spectroscopy). I hope other labs are using this technology.
To learn more, go to www.gaaj-zenhokyo.co.jp
As always, if you are doubtful, consult a reputed gem testing laboratory.
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