Stainless Steel 9-Pack Clear Crystal Nose Stud

Walmart

Tiny clear stone (Crystal), Silver-tone setting (Stainless Steel), Nose stud type, Exact match in size and simple design, Round stone shape is consistent with ambiguous frame detail, High priority retailer (Walmart)

Sterling Silver Cubic Zirconia Tiny Nose Stud

Etsy - SweetLobes

Tiny clear stone (Cubic Zirconia), Silver-tone setting (Sterling Silver), Nose stud type, Extremely similar size and simple design, Stone shape (appears square-ish) is consistent with frame

Teeny Tiny CZ Sterling Silver Nose Stud

Etsy - LEMONCAKEJEWELRY

Tiny clear stone, Silver-tone setting (Sterling Silver), Nose stud type, Similar size and simple design