In Flora Priestley (Lamplight Study), John Singer Sargent captures a young woman seated in a soft, warm glow. The colors are rich and deep, with browns and golds dominating the palette. Flora's expression is serene, and her attire reflects the fashion of the late 19th century.

The lamplight creates a dramatic contrast, highlighting her features and adding depth to the scene. The painting is executed in oil on canvas, showcasing Sargent's skill in rendering textures and fabrics. The brushwork is detailed yet fluid, allowing for a lifelike representation of Flora. The use of light is particularly noteworthy, as it enhances the three-dimensional quality of the figure.

The dimensions of the painting are approximately 76 x 61 cm, making it a substantial portrait. John Singer Sargent was known for his portraits of high society, and this work exemplifies his ability to capture personality and presence. Flora Priestley is a study of light and shadow, showcasing Sargent's fascination with the effects of lamplight on skin tones. Interestingly, this painting reflects Sargent's transition from traditional portraiture to a more modern approach.

It remains a significant piece in the collection of the Museum of Fine Arts Boston.