The trade uses IGI for grading reports on natural and laboratory-grown diamonds, coloured stones and finished jewellery, and for its gemmology schools.
Se denomina tal y como lo indica el laboratorio en su propia página web. El contenido y la redacción del informe los establece el laboratorio, no nosotros.
Natural Diamond Report
Colored Stone Report
Jewelry Report
Información de interés
IGI lists four global head offices, in Antwerp, New York, Mumbai and Shanghai, and does not designate one as a single headquarters. Country of origin appears on the Colored Stone Report only where analysis conclusively reveals it. IGI announced on 31 January 2026 that it had acquired American Gemological Laboratories.
Recopilado de igi.org; puede consultarse en 16 de agosto de 2026.
Verificamos a los comerciantes, no las piedras. Un informe de laboratorio describe una piedra en una fecha concreta; no constituye una garantía de valor, y no nos corresponde a nosotros respaldarlo.