GemPen is a portable instrument for jewelers and gemologists providing the ability to screen diamonds, rubies and sapphires for synthetics and treatments. If doubtful, always consult a reputable gem testing laboratory.
Discover P.J. Joseph's blog, your guide to colored gemstones, diamonds, watches, jewelry, art, design, luxury hotels, food, travel, and more. Based in South Asia, P.J. is a gemstone analyst, writer, and responsible foodie featured on Al Jazeera, BBC, CNN, and CNBC. Disclosure: All images are digitally created for educational and illustrative purposes. Portions of the blog were human-written and refined with AI to support educational goals.
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Showing posts with label GemPen. Show all posts
Showing posts with label GemPen. Show all posts
Sunday, September 27, 2020
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