Hourglass Obscura #5 is a warm brown with a metallic finish that is permanent in palette and. In comparison, Charlotte Tilbury Oyster Pearl (was Marie Antoinette) is a warm gold with a metallic finish that is permanent and retails for $34.00.
Charlotte Tilbury Oyster Pearl (was Marie Antoinette) is 90% similar — it is more shimmery, cooler.