J-Scan provide testing and certification services for finished jewelry and loose gemstones using advanced equipment. Our Laboratory aims to provide efficient yet affordable services to help consumers identify the authenticity of gemstones and enhance public awareness of jewelry testing and certification.
About Hong Kong Jewelry Laboratory
J-Scan services: Testing and authentication of diamonds as well as selected colored loose gemstones or mounted jewelry products.
Our Testing and Authentication Equipment
Infrared Spectroscopy Detector; CVD Diamond Testing Device; Diamond Testing Pen; Refractometer; Polarimeter.
