Honestly, mahirap yan, most pawnshops won't accept gold na sobrang liit like that kasi ang hassle na for them to weigh and assay, tapos ang value pa lang ay maliit talaga, so it's not worth their time. A few of us mums tried pawning old jewelry na napakaliit and they either turned us down or offered such a low amount na parang insulting na, haha, better off selling it directly sa gold buyers or jewelry shops na bibili ng scraps, or if you're really in a pinch, check kung may trusted jewelry store kayo sa mall na nag-buy ng old gold.