Gold advanced on Monday recording the largest increase in a 15-month period amid strengthened demand for jewelry and coins and as Goldman Sachs Inc. changed their previous recommendation for selling. Bullion for June delivery rose 1.1% to $1,468.80 an ounce as of 1 p.m. Singapore time after gold prices moved up by 4.2% to $1,453.60 on the New York's Comex last week.