* U.S. and China agree to continue trade talks
* Silver falls over 0.6%, palladium gains about 2%
* Dollar index rises 0.4% (Updates prices)
By Sumita Layek and Arpan Varghese
Aug 13 (Reuters) - Gold fell as much as 2% in a reversal from six-year highs on Tuesday, after the United States said it would delay tariffs on some Chinese products and on news that both sides agreed to continue trade talks.
Spot gold XAU= was down 0.7% at $1,501.22 per ounce at 2:00 p.m. EDT (1800 GMT), having earlier hit its highest level since April 2013 at $1,534.31.
U.S. gold futures GCv1 settled down 0.2% to $1,514.1 an ounce.
The Office of the U.S. Trade Representative said the Trump administration will delay 10% tariffs on certain Chinese products, including laptops and cell phones, that had been scheduled to start next month. thawing, perhaps reconsideration of the new proposed tariffs has drained the heat from the (gold) rally for now," said Tai Wong, head of base and precious metals derivatives trading at BMO.
"While this does not dramatically dim the overall positive outlook for gold, it will temper its momentum in the short term."
U.S. stocks turned positive and the dollar rose on the news, with further momentum also coming from news that both sides had agreed to conduct phone calls on trade again in two weeks. USD/ MKTS/GLOB
"Gold will be trading in a defensive position until the next two weeks; there will be some buying at the dips but the explosive moves higher we've seen in the last two weeks is not expected with the trade talks hanging over the market," said Bob Haberkorn, senior market strategist at RJO Futures.
Gold's rise to over 6-year highs earlier in the day was triggered by a rout in the Argentine peso and unrest in Hong Kong. focus is now on the U.S. Federal Reserve's annual symposium next week for clues on the future trajectory of interest rates. Traders see a 86.2% chance of a 25 basis-point rate cut by the U.S. central bank this September. FEDWATCH
Meanwhile, holdings in the world's largest gold-backed exchange-traded fund, SPDR Gold Trust GLD , jumped 0.9% to 847.77 tonnes on Monday. GOL/ETF
Among other precious metals, silver XAG= fell 0.6% to $16.96 per ounce, while platinum XPT= was up 0.2% to $853.81. Palladium XPD= gained 1.9% at $1,454.03 an ounce.