Recipe comes from NPC Anita (town's man recipe) in Lorenzo's palace in Florence. Recipe name is "Making Platinum Hair Ornament", Requires R12 Handicraft and 400 Handicraft Contribution Points.
Ingredients : 10x
Silverwork + 5x
High-grade Amethyst + 10x
High-grade Platinum
+1
Metal Trading
+1
Seasoning Trading
Since it needed High-grade Platinum, make sure to be well prepared for big time spending gemstone digging activity.
This is only for female toons.