Got them on Amazon! And they come in gold or silver
Cotton Candy Fairytale Unicorn Barbell Nipple Rings, Sold as a Pair https://www.amazon.com/dp/B07PHLHP9K/ref=cm_sw_r_apan_glt_fabc_SRB7P3MZ1G8KMRGE5EVG?_encoding=UTF8&psc=1