RAPAPORT…  EGL International discovered four substantial-size synthetic diamonds mixed in with a package containing 20 diamonds submitted for grading by one of its established customers. The group’s CEO, Guy D. Benhamou, noted that the four synthetic stones were 0.90-carat, 0.91-carat, 0.96-carat and 1.71 carats, VS to VVS in clarity and J to K in color, type IIa diamonds. 

“This is worrying for many reasons, but particularly because someone has raised the stakes and thinks it is now possible to introduce higher-quality, larger synthetic diamonds into the diamond jewelry pipeline,” Benhamou said.

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