The Sri Lanka National Gem and Jewelry Authority (NGJA) said that during the eleven months of 2007 its overall gem and jewellery exports increased by 15% from last year, to value at Rs 47.02 billion. Exports of gem studded jewellery hiked by 25%, and that of diamond studded jewellery by 19%, for the said period. Prompted by this rise in export trade, the NGJA is targeting an overall exports earnings of $1 billion for 2008.