Tea bowl - Silverplated - cranberry diamond glass

An antique tea warmer (also called a tea light or spirit burner) with a matching teapot. These objects were used to keep a teapot warm or to heat water for tea.

Construction: It consists of a metal frame/support with three legs, which places the teapot on an elevated platform.

Heat source: At the bottom, there is a fuel burner (probably for spirit/alcohol, given its small size and the design with the wick-like rotary knob), which generates the heat.

Heat conduction/Decoration: Above the burner, two separate elements are placed.

A pink/cranberry glass bowl with a diamond-cut pattern. This could serve as a heat diffuser, a decorative element, or perhaps to gently disperse the heat from a flame.

A porcelain ring with a hole in the middle, decorated with a blue-and-white Delft or Oriental-inspired pattern (similar to the 'sprinkled flower' or 'onion pattern'). It rests on the metal rim and serves as a support for the teapot, possibly dispersing the heat from the flame.

The teapot itself is made of shiny metal (probably silver-plated), matching the style and size of the holder.
The combination of silver-plated/metalwork, colored, faceted glass, and blue-white porcelain strongly indicates the Victorian period up to the early 20th century (circa 1880-1920). During that time, there was great appreciation for the combination of different materials and ornate, functional tableware.
This specific set with the pink cut glass and the blue-white porcelain is very rare.

Marked with an F but not defined.
The insert glass is missing a piece, but this is not visible once mounted. There are signs of use consistent with its age and a history associated with the object.
Taking photos is an integral part of the description. It is sent insured.