Your chart is looking good! I wouldn't be so worried about an implantation dip, not everyone gets one. Your temps keep rising which is the main thing. When I got my bfp, i was also taking Vitex, and my chart had no visible dip, the temps just kept going up.

I also used to compare my chart to others in the gallery, and you know what i decided? Each chart is individual, so just because your chart looks like someones who got a bfn, it doesnt mean yours will end the same way.

I have my fingers crossed for you that this is the one