You can knit as tight or sparse you like In the video I use : 28 gauge ( wire diameter 0.3mm ) : 30cm( 12 inch) Heart shaped stone 1.8cm Don't be discouraged if you don't succeed the first time.
Use sewing needles to wire is easier to pass through With drop stone, the pointy end is easy to slip, so wrap wire around the sharp end to avoid falling stone In the video I use : 20 gauge ( wire ...