Ade Advanced Optics GL500 Gemstone Refractometer with LED Light – Professional Digital Gem Tester for Jewelry, Gemstone, Ruby, Jadeite, Sapphire, Diamond, Moissanite, and Lab Use

الوصف

💎 See the unseen, test like a pro!

The Ade Advanced Optics GL500 is a professional-grade gemstone refractometer featuring a durable all-metal body, a broad refractive index range of 1.30 to 1.81, and built-in LED illumination with batteries included. Trusted worldwide by gemologists and jewelers, it comes as a complete testing kit with a polarizing filter and protective pouch, making it ideal for precise gem identification both in the lab and on the go.