Want to build a career in the gems and jewelry industry? Join the professional Diamond Grading Course in Delhi offered by NIDG Worldwide (National Institute of Diamond & Gems) — one of India’s leading institutes for gemological education. Our industry-oriented course is designed to provide hands-on training in grading diamonds based on the internationally accepted 4Cs – Cut, Clarity, Color & Carat Weight. With expert faculty, advanced lab equipment, and real diamond samples, students gain both theoretical knowledge and practical skills.