Metallic nail designs will be quite popular this year, so you should definitely try to do some. Here are several ideas for your inspiration.
Would be cute gray and yellow but ust on one finger, the rest matching solid color
Faux Rock Wall Panels in Earth
Rosa glitter argento strass
Borchie per unghie Rock Studs in Nail Art Mania - PUPA Milano
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These look fairytale inspired
Маникюр | Видео уроки | Art Simple Nail
The shine on the flat is neat! You can do this at home by putting some cornstarch in the nail polish. It will spread on clumpy, but dry smooth. The tips are just regular polish!