Expensive vs. cheap nail varnishes

Hiya guys, so this post is my review on whether their really is a difference in quality from the cheap to the expensive nail varnishes. I bought 6 nail varnishs off 'Nails inc' a reputable nail varnish and compared them with Collection 2000 nail and Primark nail varnishes.

Nails inc.
Cost: At 10.50 a bottle these are at the higher price range for nail varnishes.
Bottle: Normal to every other nail varnish I've purchased. They were exact to the cheaper brands such as Collection 2000 in terms of the brush and the bottle.
Colours: Beautiful colours that only need one coat to get a deep intense colour. Really pretty! BUT they chipped really really easily which was a bit frustrating.
Overall rating: 7/10. Really cute colours but overpriced and chipped just as easily as cheaper brands. On the other hand only need one coat - so maybe cost effective in the long run?

Collection 2000
Cost: £1.99 a bottle. Fairly cheap.
Bottle: Opened up easily and brush was perfect.
Colours: Cute colours, needed a few coats to get a nice finish. The colours are not as beautifully finished as Nails inc. but you could probably find something very similar.
Overall rating: 6/10. As long as you find a colour you like, you wont be disappointed. There is so many to choose from you're bound to find the 'in' autumn colours in the right shade for you.

Primark
Cost: 6 for £3 in a set. Great value!
Bottle: The brush wasn't the same length all the way through so it had to be cut before I used it. Not the best quality.
Colours: The colours were probably the most sustainable to chipping but as with the Collection 2000's needed more than one coat. Really limited in colour choices.
Overall rating: 5/10. Colours were quite limited, and it was annoying to have to trim them all before I could even use them. Despite this, they lasted a long time once they were on.

Generally, I believe it doesn't really make a difference what brand you go for. Nails inc. are beautiful colours but you can get really nice colours anyway for a 1/5 of the price. Also they might only take one coat, but they chip over everything! So really I'd say they were as sustainable as the cheaper brands.

What are your opinions?
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