Harry Oppenheimer Diamond Museum was a museum located in the Diamond Exchange District, Tel Aviv District city of Ramat Gan, Israel.

The museum was founded in 1986 in honor of Harry Oppenheimer.

Moshe Schnitzer was responsible for establishing the museum and was its chairman until July 2003.

The museum was operated by the Israel Diamond Institute.

[2] The museum hosted diamond, jewellery, gemstone art, and jewelled fashion accessory exhibits from around the world.