Bettencourt, currently the number 6th ranked player in Australian Women's golf made up some five shots on Stanton over the closing thirty six holes at the Castle Hill Golf Club in Sydney's north west but it was not enough to catch Stanton who is now employed at the Palmer Gold Coast golf facility after earlier playing at the Woodford Golf Club north of Brisbane.
Stanton had established a large margin through 36 holes after a fast start to the event.
Stanton, originally from a Queensland cattle property, is studying a Diploma in Golf Management at the PGA International Golf Institute while working at Palmer Gold Coast.
Celina Yuan from the Bankstown Golf Club and Bianca Ling from the Kingswood Golf Club in Melbourne tied for 3rd.
The leading 16 qualifiers from the Stroke-Play event now move ahead to Concord Golf Club next week when they will contend the NSW Amateur Championship.
In the NSW Men's Stroke-play Championship the finalist at the recent Australian Amateur Championship Curtis Luck reeled off a final round of 65 to extend his third round lead over Ben Eccles of Victoria to win by five.
Luck earns the NSW Medal and adds to his growing status in Australian Amateur Golf. He is currently 9th on the national rankings and is clearly heading higher.
Eccles finished with a round of 69 to finish three shots clear of the 3rd placed Cameron Davis and Kevin Yuan of NSW.
The leading 32 men will now face off on Sunday at the NSW Amateur Championship also at the Concord Golf Club.