They are paying a premium of Rs 700 - Rs 1,500 per 10 gm.
Jeweller and importers were awaiting the correction to stock the yellow metal for upcoming marriage season.
The company has flouted green norms at its plant in Tamil Nadu, a judge said.
Smelter produces more than 300,000 tonnes a year to supply half of India's domestic copper needs.
A govt report on Wednesday recommended reining in gold imports to curb deficit.
Prices have more than doubled in three months.
Central bank says it may bring more curbs.
If CAD remains high for 3-4 quarters, central bank may intervene.
Traders had accumulated stocks when the FM hinted of a duty hike.
Chidambaram said he expected gold imports to touch $40 billion in the current fiscal year to end-March, down 31 percent from the year-ago bill of $58 billion.
Though retail demand was weak, jewellers were restocking for Pongal festival.
It was trading around Rs 30,638 per 10 grams, the lowest since August 30.
The wedding season will continue till early January and gold is an important gift item at marriages.