The present disclosure generally relates to a decorative fragrance diffuser and methods of use thereof. The decorative fragrance diffuser may be comprised of a base and a light source mounted to the base. The decorative fragrance diffuser may further comprise an inner glass surrounding the light source and an interchangeable outer glass surrounding the inner glass, whereby an annular area is formed between the inner and outer glass. The decorative fragrance diffuser may further comprise a custom insert located between the inner glass and the outer glass. The decorative fragrance diffuser may further comprise a top disposed above the inner glass, the top including a basin for holding a fragrant element. The method of using the decorative fragrance diffuser may comprise following instructions or a template to create the custom insert with suitable dimensions.