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Diadema Aeternatis
Item
Diadema Aeternatis
Roblox
Asset 14626217857by Sideris UGC
Current RAP
3,222R$
Avg Price (30d)
—
Avg Price (90d)
—
Avg Price (180d)
—
Lowest Price
20,000R$

resale listing

Original Price
Free
Total Copies
33
Original Copies Remaining
Sold Out
Summary

Diadema Aeternatis is a Roblox UGC Limited hat by Sideris UGC. Its original stock of 33 copies has sold out. Resale listings start at 20,000 R$, about 521% above its RAP of 3,222 R$. RBX Invest has tracked no sales of it in the past 30 days. It was created on Roblox on Aug 30, 2023.

Description

Sub Specie Aeternitatis.

Diadema Aeternatis

Diadema Aeternatis is a Roblox UGC Limited hat by Sideris UGC. Its original stock of 33 copies has sold out. Resale listings start at 20,000 R$, about 521% above its RAP of 3,222 R$. RBX Invest has tracked no sales of it in the past 30 days. It was created on Roblox on Aug 30, 2023.

RAP 3,222 R$
Lowest Price 20,000 R$
Total Copies 33
Original Copies Remaining Sold Out
Original Price Free
Market Cap 106,326 R$
Item Type UGC Limited
Category Hat
Creator Sideris UGC

How much is Diadema Aeternatis worth? Price and value

As of October 18, 2026, Diadema Aeternatis is worth about 3,222 Robux, its Recent Average Price (RAP), and the cheapest copy for sale is priced at 20,000 Robux. Across the 33 owned copies, its estimated market value is 106,326 Robux.

That puts the cheapest copy 521% 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 Diadema Aeternatis?

Diadema Aeternatis is a UGC Limited Hat with 33 total copies. It is sold out at the original price, so copies now trade only on the resale market. It originally sold for free.

Diadema Aeternatis has 137 favorites on the Roblox catalog.

Diadema Aeternatis sales history

RBX Invest has recorded 18 sales of Diadema Aeternatis across 17 trading days, from Oct 9, 2023 to Nov 23, 2025.

Free claims from the creator are not counted, so these are sales between players.

Its highest daily average sale price was 7,600 Robux on Jan 22, 2024, and its lowest was 1,000 Robux on Oct 15, 2023.

By calendar year, its average sale price went from 2,191 Robux in 2023 to 4,849 Robux in 2025, up 121%.

Diadema Aeternatis: average sale price in the 8 most recent months with recorded sales
MonthAverage sale priceSales
Nov 20254,849 R$1
Sep 20243,500 R$2
May 20245,000 R$1
Apr 20244,996 R$1
Jan 20247,600 R$1
Dec 20234,974 R$2
Nov 20232,116 R$3
Oct 20231,428 R$7

Did Diadema Aeternatis make money for release buyers?

Diadema Aeternatis sold out of its original stock on its first day of sales, Sep 1, 2023. Copies could be resold from Oct 1, 2023, once Roblox's 30-day resale lock ended.

About Diadema Aeternatis

Sub Specie Aeternitatis.

How to get Diadema Aeternatis

Diadema Aeternatis 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 20,000 Robux.

Diadema Aeternatis is Roblox asset ID 14626217857. It was published by Sideris UGC. On RBX Invest it sits in the UGC Limited Hats, Limiteds under 100 Copies, Limiteds under 1,000 Copies, Free Roblox Limiteds 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.