Chennai: Gold has appreciated 17.45 per cent in the Indian market since last Diwali and this is the highest gain since 2020. Compared to the Diwali gold rate of Rs 29,871 in 2013, the metal has appreciated 99 per cent in 2023, doubling in 10 years. In the last 10 years, silver prices during the Diwali time have appreciated 46 …