I use a JBL J22i, pretty good piece for 2k, if you are into in ear earphones.
if you are only up for headphones, and you can find Sony HPM 85 anywhere, grab them. They may be cheap but the sound quality is amazing. The one I had, died, left side lost its sound :'(.
If you are planning to buy headfone for your cell phone it’s not good investment.. because cell phone is an crap source even Samsung is not having a good audio source first get good source. good audio source enhance the sound quality..
While the headfone under 2k to 3k you can go with [audiotechnica] best.
Login to proaudiohome.com for further research..! Good luck.