The Harry Oppenheimer Diamond Museum is a located in the heart of the Israeli diamond complex in Ramat Gan, serves as a showcase for the diamond industry in Israel.
The permanent collection consists of rough and finished diamonds and gemstones and provides information on the history and industry of diamonds. The museum also touches on the Jewish and Israeli connection to the industry, with an emphasis on the historical connection between diamond trade and Jews.
The museum was founded in 1986 in honor of Harry Oppenheimer. In 2008, the museum was reopened after major renovations. The museum belongs to the Israel Diamond Institute.