Black Full Skirts from TheRealReal
If you can’t spend much, this Marc Jacobs Full Skirt will fit the bill. It's a foolproof choice, while not very expensive. Another strong contender for your wardrobe is this J Brand Full Skirt. While the price of this item is not very high, it will certainly attract a lot of attention. You might also want to consider this Proenza Schouler Full Skirt. The price is very reasonable, but the effect on your wardrobe will be pretty fantastic.
If you're looking at it like an investment piece, then you won't be disappointed if you check out this Simone Rocha Full Skirt. It's an expensive but smart option.