The Round CZ Double Millgrain piece features a 2mm clear CZ stone in the center adorned by two close-set rows of metal beads (millgrain). This threadless decorative end is available in 14 karat Yellow Gold, White Gold and Rose Gold options. Measuring 5.25mm x 5.25, it can be used in any piercing that is fit with a threadless post from all major jewelry vendors.
The second photo was taken by Body Culture Piercing, the third photo was taken by Heather McFadden and the fourth photo was taken by Stephen Clarke. The fifth photo was taken by @piercer_dan.