Founded in 1979 by MZ Jeffery, International Gemological Laboratory (IGL) is one of Indonesia's pioneering gemological laboratories. We specialize in gemstone identification, diamond grading, jewelry certification, and gemological education. Our mission is to provide trusted, independent services while sharing knowledge with collectors, traders, students, and gem enthusiasts worldwide.
Didirikan pada tahun 1979 oleh MZ Jeffery, International Gemological Laboratory (IGL) merupakan salah satu laboratorium gemologi pelopor di Indonesia. Kami menyediakan layanan identifikasi batu permata, grading berlian, sertifikasi perhiasan, serta edukasi gemologi yang terpercaya. Subscribe dan jelajahi dunia gemologi bersama IGL.
🌐 www.igl-asia.net
📍 Jakarta, Indonesia
💎 Gem Identification • Diamond Grading • Jewelry Certification • Gemological Education
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The Development of the Gemstone Industry in Indonesia | Gem Talk with Naveed Zafar | Episode 5 | ...
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💎 Dari Nol ke Sukses di Dunia Batu Permata | Gem Talk with Naveed Zafar Episode #3 | Alfianto Lukman
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💎 Ciri-ciri Synthetic Star Ruby 💎Tanda-tanda bintang di batu ruby bisa menipu —yuk kenali bedanya! 🔍
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