How much is Serenus Imperator Sidereum worth? Price and value
As of October 18, 2026, Serenus Imperator Sidereum is worth about 1,628 Robux, its Recent Average Price (RAP), and the cheapest copy for sale is priced at 2,000 Robux. Across the 15 owned copies, its estimated market value is 24,420 Robux.
That puts the cheapest copy 23% above RAP. Sellers are holding out for more than the item has recently traded at, which is normal for a UGC Limited with few copies on the market.
How rare is Serenus Imperator Sidereum?
Serenus Imperator Sidereum is a UGC Limited Hat with 15 total copies. It is sold out at the original price, so copies now trade only on the resale market. It originally sold for 450 Robux.
At 1,628 Robux, RAP sits 3.6x the 450 Robux it first sold for.
Serenus Imperator Sidereum has 49 favorites on the Roblox catalog.
Serenus Imperator Sidereum sales history
RBX Invest has recorded 38 sales of Serenus Imperator Sidereum across 10 trading days, from Jun 6, 2023 to Jun 15, 2024.
Sales here include copies bought from the creator’s original stock as well as resales between players. Free promotional claims are not counted.
Its highest daily average sale price was 3,000 Robux on Aug 4, 2023, and its lowest was 450 Robux on Jun 6, 2023.
By calendar year, its average sale price went from 956 Robux in 2023 to 1,335 Robux in 2024, up 40%.
| Month | Average sale price | Sales |
|---|---|---|
| Jun 2024 | 2,069 R$ | 1 |
| Jan 2024 | 600 R$ | 1 |
| Oct 2023 | 1,500 R$ | 2 |
| Sep 2023 | 2,400 R$ | 1 |
| Aug 2023 | 2,750 R$ | 2 |
| Jul 2023 | 10,000 R$ | 1 |
| Jun 2023 | 450 R$ | 30 |
Did Serenus Imperator Sidereum make money for release buyers?
Serenus Imperator Sidereum sold out of its original stock on its first day of sales, Jun 6, 2023. Copies could be resold from Jul 6, 2023, once Roblox's 30-day resale lock ended.
For someone who bought at the original 450 Robux, the best return per day held came from reselling about 31 days after release, when copies were selling for around 10,000 Robux. That works out to roughly 4,550 Robux profit per copy after Roblox's cut.
About Serenus Imperator Sidereum
Custos Lucis et Umbrae. From a currated array of exclusive limited items.
How to get Serenus Imperator Sidereum
Serenus Imperator Sidereum is no longer sold by the creator, so the way to get it is to buy a copy from a reseller on Roblox. The cheapest is listed at 2,000 Robux.
Serenus Imperator Sidereum is Roblox asset ID 13674140993. It was published by alphaneu. On RBX Invest it sits in the UGC Limited Hats, Limiteds under 100 Copies, Limiteds under 1,000 Copies, Limiteds under 10,000 R$ collections. The RAP, reseller listings, and copy counts on this page refresh from Roblox continuously, so the figures above are the state of the market at the last update rather than a fixed snapshot.