The metal has come under pressure from expectations that the U.S. Federal Reserve is set to hike interest rates this year, potentially lifting the opportunity cost of holding non-yielding bullion while boosting the dollar, in which it is priced.
Bullion fell as low as $1,111.60 on Wednesday, its lowest level since Sept. 16, after a report showed that U.S. private employers added 200,000 jobs in September, beating a forecast for 194,000 among economists polled by Reuters.
"The more positive the news is, the more bearish it is to gold from here on," said Eli Tesfaye, senior market strategist for brokerage RJO Futures in Chicago, noting that a report earlier this month showing record-high U.S. job openings was still contributing to negative sentiment on gold.
Spot platinum was down 1 percent at $904.75 an ounce, and has fallen nearly 16 percent this quarter.
Read MoreThis is why stocks are stuck in low gear
The metal was hit last week by news of Volkswagen's falsification of U.S. vehicle emission tests, which some investors believe could affect demand for diesel cars. Platinum is widely used in emissions-controlling automotive catalytic converters, particularly for diesel engines.
"In the short term at least, the condition of oversupply in platinum is likely to prevail," Mitsubishi analyst Jonathan Butler said.
Spot palladium was down 0.5 percent at $650.75, closing the quarter down nearly 3 percent for its third consecutive quarterly loss. Silver was down 0.6 percent at $14.52 an ounce and closed the quarter down nearly 8 percent.