How to get Beyonce and Rhianna's rings

This is me at my Year 12 formal. My dress is by Shakuhachi and it worked very well on the night.

However, what I was most excited about was my rings:

Beyonce and Rhianna have been rocking the midi rings and nail-rings recently. Here's where I got mine cheaply:

Find Ebay rings here.

 Alternatively:

AliExpress - $1.74 each

Or the ones I chose to get:

H&m nail rings - $12.00 for a pack of 4

Lovisa, Diva