** Shares of Spartan Resources SPR.AX rise 7.7% to A$1.96, their highest since January 2019

** Stock posts biggest intraday percentage gain since March 17

** Gold miner says it will acquire the remaining 20% stake, disbanding its joint venture at Dalgaranga gold project in Western Australia (WA)

** Co will gain full ownership of the project through the stake purchase valued at A$2.5 million ($1.54 million)

** Stock up 39% YTD, including moves in current session

($1 = 1.6255 Australian dollars)

(Reporting by Jasmeen Ara Shaikh in Bengaluru)

((JasmeenAraIslam.Shaikh@thomsonreuters.com;))