Gemoloji Kursu
(2.65 with 34 reviews)
349
students
6.0 hours
content
Oct 2026
updated
$14.99
Catalog controls
Gemoloji Genel Bilgiler Kursu
(3.75 with 4 reviews)
57
【幫你認識清楚 寶石價值的 稀有鑒定課程】從零開始，新手小白都能學會：寶石的真知識、如何自己鑒定不同寶石的真僞？
3
students
2.3 hours
content
Sep 2024
How To Start A Jewelry Business (Real Gold And Diamonds)
(4.23 with 560 reviews)
Pırlanta Eğitimi ile Pırlanta Uzmanı Olmaya Hazır mısın?
(4.73 with 58 reviews)
116
students
Jewelry Diploma: History, Gemstones & Diamond Fundamentals
(4.72 with 48 reviews)
199
Memahami 4C untuk Memilih Berlian Berkualitas
(4.59 with 17 reviews)
29
students
Crystals and Precious Stones: Become an Expert
(4.07 with 7 reviews)
29
Memahami 4 C : Cut untuk Memilih Berlian Berkualitas
(4.83 with 3 reviews)
7
Membedakan Berlian dan Tiruannya
(4.58 with 13 reviews)
25
Gemmology Basics for Better Gemstones & Jewellery Purchase
(4.39 with 405 reviews)