June 30 (Reuters) - Gold prices held regular on Tuesday and had been heading for their ideal quarterly upward thrust in additional than four years as fears over rising coronavirus cases around the field boosted inquire for the safe-haven metallic. FUNDAMENTALS Diagram gold used to be principally unchanged at $1,770.77 per ounce by 0052 GMT, factual $8.29 jumpy of a approach eight-365 days excessive of $1,779.06, hit final week. Bullion, with more than 12% gains this quarter, is on track for its handiest quarter since terminate-March 2016. Gold used to be also headed for its third straight month-to-month manufacture. U.S. gold futures had been flat at $1,781.20. Confirmed COVID-19 cases worldwide exceeded 10 million and deaths surpassed 500,000 over the weekend. Texas, Florida and California are amongst U.S. states to reverse reopenings and reclose firms such as bars to slack the spread of the coronavirus. U.S. Federal Reserve Chair Jerome Powell mentioned on Monday the outlook for the field's ideal economy is "terribly hazardous" and can rely both on containing the coronavirus and on govt efforts to enhance the restoration. Gold is largely belief about as a safe funding all over times of political and financial uncertainty. Within the intervening time, an upbeat U.S. info spurred unusual optimism on the field's ideal economy and lifted investor sentiment against riskier resources. In Asia, China's factory assignment expanded at a sooner accelerate in June, beating expectations, while assignment within the country's services and products sector expanded at its fastest accelerate in seven months, respectable info confirmed . Palladium eased 0.1% to $1,902.68 per ounce, while platinum rose 0.1% to $806.22 and silver lost 0.3% at $17.81. DATA/EVENTS (GMT) 0600 UK GDP QQ, YY Q1 1400 US User Self belief June (Reporting by Brijesh Patel in Bengaluru; Editing by Shailesh Kuber)