Ranks
Rank Upgrades are automatically applied! If you purchase a lower rank, and want to upgrade later, the price difference is calculated and applied, meaning you only pay the difference!
An example of this is Baron -> Duke = $21 (USD, pre-fees)

Merchant (+1,000 Gems)
7.13
4.63 USD

Knight (+2,000 Gems)
17.99
11.69 USD

Noble (+3,000 Gems)
34.99
22.74 USD

Lord (+5,000 Gems)
57.99
37.69 USD

Baron (+7,500 Gems)
89.99
58.49 USD

Duke (+10,000 Gems)
114.99
74.74 USD