The Spoonmaker's Diamond is an 86 carat (17.2g) pear-shaped diamond in the Imperial Treasury exhibitions at the Topkapi Palace Museum in Istanbul, Turkey, and its most valuable single exhibit. It is considered the fourth largest diamond of its kind in the world.

The Topkapı Palace, or the Seraglio, is a large museum and library in the east of the Fatih district of Istanbul in Turkey. From the 1460s to the completion of Dolmabahçe Palace in 1856, it served as the administrative center of the Ottoman Empire, and was the main residence of its sultans.