Possibly 3 grams. Your girl needs more light, and root space. There are things you can do to get a little more herb, but I'd suggest you spend the winter reading and planning for next year. The crystals indicate the herb should be decent smoke but nothing to take to the Cannabis cup.
Regarding smell, that will change and improve continuously until harvest, then evolve even further for several months in storage. If you decide to store it, put it in an air tight(not a baggy) container and place it in a cool, dark, dry location, After curing.