Learn the art of jewelry design with TGJTA—starting from inspiration and sketching techniques to selecting 3D design software for creating works that meet international standards.
The World Jewellery Confederation (CIBJO) plans to revisit its 2010 resolution on terminology for synthetic diamonds and discuss limiting the 4Cs grading system to natural diamonds, aiming to restore consumer confidence and enhance transparency in the mar
Learn how to inspect natural diamonds using your naked eye and a 10x Loupe, following international standards from the Thai Gem and Jewelry Traders Association (TGJTA). Covers brilliance, fire, and how to distinguish them from simulants for confident diam
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