The Art of Gem Enhancement in Chanthaburi One of the province’s most important gemstone learning centers, this factory offers visitors the opportunity to witness the traditional “gem heating” process—an ancient technique used to enhance color and brilliance. The demonstration features both traditional and modern electric furnaces, with expert explanations by experienced gem artisans.
- Address : Phlabphla Subdistrict, Mueang Chanthaburi District, Chanthaburi
- Open : 09:00–16:00 (Advance booking recommended)
