Oct 23 (Reuters) – Gold prices edged lower on Thursday, weighed down by an uptick in the dollar as investor looked forward to key U.S. inflation data due later this week for more cues on the interest rate path. FUNDAMENTALS * Spot gold was down 0.3% at $4,082.95 per ounce, as of 0144 GMT. * U.S. gold futures for December delivery climbed 0.8% to $4,097.40 per ounce. * The dollar index rose 0.1% against its rivals, making gold more expensive for other currency holders. * The U.S. Consumer Price Index (CPI) report, due on Friday after a delay due to the government shutdown, is expected to show that core inflation held at 3.1% in September. * Investors have nearly fully priced in a 25-basis-point rate cut at the Federal Reserve's meeting next week. * Gold tends to appreciate when interest rat

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