I've been trying to find a perfect purple nail polish for a while, and I bought this whilst on my quest. While it is not the bright, rich purple I was looking for, it's still a lovely colour.
It has a purple-navy base, with fine blue and purple glitter. In some lights, it looks navy, and in others, purple. So if you're expecting a navy, be prepared for purple, and vice versa. In all lights, it looks very sparkly, but in a classy way because of the fine mill of the glitter.
I love OPI brushes, because they're big, and easy to apply colour quickly and evenly. If you have smaller (less wide) nails, you may not like this feature. For me, it took two coats to achieve the colour you see in the bottle.
The only downside is, if you're the type of person who doesn't use a topcoat, this polish chips quite easily. I pretty much always use a topcoat, but with this, I think it is especially required. That being said, with a topcoat, this polish lasts really well. I also think it looks way better with a topcoat, because it makes the colour and sparkles more prominent. I used China Glaze No Chip Topcoat (really good, by the way).
I have taken one point off for the price ($19.95 in Australia) which is quite pricey for the average person.
All in all, it's really lovely, and pretty. So if you love navy and purple, and dont kind spending your money on it, this is for you.