The most magnificent globe in existence, it has a total height of 110 cm. and a diameter of 45 cm. and is covered with over 51 thousand gemstones. The seas and oceans are shown with emeralds. Land masses are mostly displayed in rubies and spinels. Iran, Britain, France, and parts of South Asia are shown in diamonds. The base is constructed of wood, covered with a layer of gold. Approximately 35 kilograms of pure gold is used in the globe.
According to legend, Nasseridin Shah (1848-1896) ordered the construction of the globe to help keep track of the loose gemstones in the treasury.
The largest ruby used in the globe is approximately 75 ct. The largest spinel is approximately 110 cts. The largest emerald is approximately 175 cts., the largest sapphire is approximately 34 cts, and the largest diamond is approximately 15 cts.
A section of Jewel-Studded Globe
The Pahlavi Crown
This crown was used by Reza Shah, the founder of the Pahlavi dynasty, in his coronation on 25 April 1926. His son, Mohammad Reza Shah Pahlavi, the last Shah of Iran, also used the crown in his coronation on 26 Oct. 1967.
The crown was designed and built by a group of Iranian jewellers, under the supervision of Haj Serajeddin, the famous jeweller who had been in the employ of the Amir of Bokhara and had later emigrated from the Soviet Union to Iran. The stones were selected from loose stones in the treasury.
The crown made of red velvet, gold, and silver. It has a total height of 29.8 cm. and has a width of 19.8 cm. It weighs 2,080 grams. The are 3,380 diamonds employed on the crown, totalling 1,144 cts. The largest is a brilliant-cut yellow diamond of 60 cts. which is located in the center of the front jewel sunburst. There are also 369 perfectly-matching natural pearls in three rows on the crown. Of the 5 emeralds, totalling 200 cts., the largest is approximately 100 cts. The largest sapphire is 20 cts.
The design of the crown incorporates a motif of the Sassanid dynasty, which ruled over the Persian Empire from the 3rd through the 7th centuries AD.