Single HPHT Synthetic Diamond Mixed in Natural Diamond Ring
Synthetic Moissanite Coated with Diamond Film Imitating Rough Diamond
A rough sample submitted as diamond is proven to be a synthetic moissanite with a thin diamond coating.
Coated Pink Synthetic Moissanite
A pink synthetic moissanite is coated with a thin colored film, raising questions about the natural origin of its color.
Chicago Responsible Jewelry Conference (英語)
Held October 21 and 22 at Cinema Row, the Chicago Responsible Jewelry Conference drew 200 attendees who heard industry experts discuss safe, sustainable, ethical gem production and jewelry design.
Microscopic Observations of Blue Sapphires Treated with Heat and Pressure
In recent months, sapphires treated under heat and pressure have been documented in the trade.
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