One single gem for Hannah Alexander's Sailor Neptune's forehead.
These will eventually go Out of Stock. Until then, I believe I'm the most affordable spot to get them, but just in case here is the backup link from Etsy:
https://www.etsy.com/shop/BeadsFun
Neptune Supply - Forehead Gem (One per customer)
Use coupon code "ShipFreeSmall" at check out.
If I cannot confirm with you that you have purchased Hannah's Neptune pattern I will cancel the order.