RAPAPORT... Polished-diamond shipments out of India increased in January,according to data from the nation's Gem & Jewellery Export Promotion Council(GJEPC). Polished exports climbed 29% year on year to $2.08 billionand, by volume, rose 20% to 2.7 million carats. The average price grew 7% to$766 per carat. Polished imports dropped 21% to $136 million, while netpolished exports - the excess of exports over imports -surged 35% to $1.95 billion. Rough imports saw a 14% increase to $1.44 billion, whilerough exports slid 29% to $105 million. Net rough imports soared 19% to $1.33 billion. The country's net diamond account - the sum of rough and polishedexports minus total imports - jumped 87% to $615.4 million.