This is how to fold origami diamonds. They look gorgeous but simple to make. You can make two diamonds out of Asize paper.

Crease pattern (printable) https://www.dropbox.com/s/n5zvafgf2sz...
Made by createinspain (    / @createinspain   ) Thank her very much

If you have trouble following those steps below, please view the supplemental video
from 4:47 →    • ダイアモンドの折り方ver.2補足  
from 6:22 → check    • ダイアモンドの折り方ver.2補足  

Origami Diamonds ver.1
   • 折るだけペーパーダイアモンド  

Music:
"Enchanted Journey" by Kevin MacLeod
licensed under a CC Attribution 3.0.
https://incompetech.com/music/royalty...

"Loveable" by Bensound
http://www.bensound.com/

Design folding sequences by Sweet Paper
Please visit my Origami page (Japanese)
http://www.sweetpaper.net/?mode=f12

※Please do not publish any video/written tutorial based on my videos without significant arrangement in the folding sequences.