Spoiler notify: there isn't any universal ‘best metal detector for gold’. (Even though the GPZ 7000 is shut for people of you who can afford a detector that’s the exact same rate as a car). Minelab’s GPX 6000 metal detector is created by the planet chief in gold detection technologies https://www.navacool.com/forum/topic/279100/how-to-detect-jewelry-using-a-metal-detector