According to Gems and Jewellery Export Promotion Council, this was 22 percent higher from prevuious month as exports stood at $3.5 billion then.
The Council also said the value of exports is showing an increase despite sluggish demand in the US and European markets, largely because of rise in raw-material cost.
Exports of gold medallions and coins from India jumped 62% to $676.58 million while shipments of gold jewelry surged 58% to $884.34 million
India imports gold and rough diamonds in large quantities and re-exports the value-added items like jewellery.
Silver jewellery exports also saw the maximum growth of 71.2 per cent, year-on-year, in September and gold medallions and coins 61 per cent.
Total gem and jewelry exports during the first six months of this fiscal year that started April 1 rose about 17% to $22.58 billion, the council said.
Last year, India exported gem and jewelry worth $43.1 billion.
In the first six months of this fiscal, the cumulative gems and jewellery exports jumped 17.4 per cent to $22.5 billion