MOTH / Hakan Aktuğ / Oh, Bother / Corazon de Galleta
If there was an ante on pencil crayon rings, MOTH just upped it. Check out Indonesian fashion designer Larasati Dewangga Putri and her label, which stands for "Minority Object That Happens" (and watch the making-of video while you're at it).
If you prefer the minimalist route, there's this pencil crayon ring from Turkey's Hakan Aktuğ.
Pencil crayon rings with acrylic from the UK's Oh, Bother.
Pencil crayon brooch from Spain's Corazon de Galleta (Ariadna Mateu).