I'm obsessed with this nail design! The aqua gradient color and the braided style reminds me of mermaid. If you ever seen "Aquamarine" you'll know what I mean.
This nail is fairly easy to recreate. You'll a few strip tape, 4 base colors in the same range from dark to light, and a white polish.
If you scroll through the image a GIF is attached to show you exactly how to prep and paint your nails!