MAC Water Deities is a warm peach with a pearl finish that is limited edition and retails for $21.00. In comparison, Charlotte Tilbury Lucy in the Sky with Diamonds (L.S.D.) is a warm peach with a pearl finish that is limited edition and retails for $22.00.
Charlotte Tilbury Lucy in the Sky with Diamonds (L.S.D.) is 95% similar — it is less shimmery.