'gemstone') is the tentative title of an upcoming class of warship designed by Iran, unveiled in November 2019.

[1][2] The design of the vessel resembles littoral combat ship (LCS) in the American terminology,[3] though Iranians have identified it as a 'heavy destroyer'.

[4] The vessels in the class are to displace between 5,000 and 7,000 tons, according to what Iranian officials told press in November 2019.

[1] In April 2020, Iran announced that the design phase has been concluded and the construction of the lead ship will begin shortly.

[4] The project is described as an attempt to improve blue-water capabilities of the Islamic Republic of Iran Navy, by Farzin Nadimi of The Washington Institute for Near East Policy.