Crassula marnierana, common name Jade Necklace or Chinese Pagoda, is a species of succulent flowering plant in the family Crassulaceae.
Crassula marnierana is a slow-growing small plant reaching a height of . The thick rounded leaves are green with red edges. They are tightly stacked along the stem and store water, as they are covered with a cuticle to limit the evaporation. An inflorescence with small star-shaped pink-tinged flowers may appear on mature plants in winter if they are given proper conditions of temperature. This plant prefers direct light and as a houseplant is very easy to maintain.
This species is native to South Africa, Lesotho and Eswatini.