Wat Preah Keo Morakot (Silver Pagoda) is located in the southern portion of the Royal Palace complex. The pagoda was formerly known as Wat Uborsoth Rotannaram because it is where the King worshiped, prayed and practiced every Buddhist Silas Day. In the additional, the royal family and officials also held Buddhist ceremonies there.This pagoda has no monks. However, this Majestic King Norodom Sihanouk lived there for one year when he entered the monkhood on July 31, 1947. Because the pagoda has no monks, visitors usually refer to it as Preah Vihear Preah Keo Morakot. When the King celebrates Buddhist ceremonies, monks from other pagoda such as Wat Unaloam and Wat Botumvattey are invited to attend the ceremonies. Preah Vihear Preah Keo Morakot was built between 1892 and 1902, during the reign of King Norodom, but at that time it was constructed of wood and brick. Its design is base on Cambodian architectural style. Then Banhchos Khan Seima ceremony was held on Feb 5, 1903.
There are 1,650 art objects housed in this temple. Most of them are Buddha figures. They are made of gold, silver, bronze and other valuable materials. Some are decorated with diamonds. They are gifts from the King, the royal family, dignitaries and other people who worship at Preah Vihear Preah Keo Morakot, where they pray for peace and prosperity, for happiness and for the preservation of Cambodian cultural heritage for the next generation. In front of the throne, site a Buddha statue made of gold, weighing 90 kilograms (about 200 pounds) and decorated with 2,086 diamonds. The biggest diamond is on the crown. It is 25 millimeters. This statue was commissioned in 1904 by King Sisowath, following the suggestion of King Norodom. King Norodom said, after his body was cremated the gold casket should be melted to make Buddha statue representing Preah Srei Araymetrey. This Buddha statue is named Preah Chin Raingsei Rachik Norodom. https://www.tourismcambodia.com/travelguides/provinces/phnom-penh/what-to-see/370_silver-pagoda.htm