Prices of gold increased following rise in investment interest as gold gains importance as a safe haven. In New York, gold for December delivery dropped 10 cents to $1,216.60 an ounce on the Comex Division of the NYMEX. Gold prices in India increased following rising buying interest from the domestic market. Pure gold (99.9purity) stood at Rs 18,635 per 10 grams on Friday this week, as against Rs 18,620 the day before. Standard gold (99.5 purity) stood at Rs 18,545 yesterday, rising by Rs 15 per ten grams from Rs 18,530 of the previous day.