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Gold Purity Guide: How to Check 22K, 24K Gold Hallmark in India
BIS hallmarking with HUID code authenticates 22K–24K purity; mandatory hallmarking from 2025 boosts consumer safety.
Understanding gold purity is vital for investors buying ornaments or coins. In India, BIS hallmarking certifies purity with distinct karat grades—24K (99.9 %), 22K (91.6 %) and 18K (75 %). Each hallmarked piece carries a six-digit HUID code, BIS logo, fineness, and jeweler identification mark. Buyers can verify these details through the BIS Care mobile app. As hallmarking becomes mandatory nationwide in 2025, compliance ensures transparency and protects consumers from adulterated gold sold by unregistered retailers or informal traders.