As of my last update in October 2023, specific pricing for graphene products can vary widely based on several factors including the type of graphene (e.g., graphene oxide, reduced graphene oxide, or pure graphene), quality, form (powder, film, etc.), and the supplier. Prices for graphene can range from a few dollars per gram for lower quality materials to hundreds of dollars per gram for high-quality, single-layer graphene.
To find the cheapest