International Diamond & Gems Laboratory

Independent grading built on accuracy, trust and gemological discipline.

IDGL provides professional diamond and gemstone grading services for customers, jewelers and institutions that need clear, consistent and verifiable reports.

About IDGL

A laboratory focused on transparent, technology-assisted gem evaluation.

IDGL combines expert gemologists, calibrated instruments and structured review standards to deliver grading reports that are easy to verify and practical to use. Each report is designed to support confidence in a stone's identity, measurements and grading characteristics.
Diamond laboratory visual
IDGL | International Diamond & Gems Laboratory Independent Diamond & Gems Laboratory

Independent Assessment

Reports are prepared with impartial review standards and clear documentation for every submitted stone.

Advanced Instruments

Modern gemological tools support accurate measurement, identification and grading consistency.

Global Confidence

Online verification and structured reporting help customers confirm certificate authenticity anywhere.

Laboratory workflow

A careful process from intake to verified report.

01

Secure Intake

Submitted stones are logged, matched with customer information and prepared for examination.

02

Gemological Review

Gemologists examine identity, shape, measurements and relevant quality factors.

03

Grading Analysis

Color, clarity, cut and additional attributes are reviewed against IDGL grading standards.

04

Verified Report

A certificate number and online verification record are issued for customer lookup.