What is Diamond Book worth on Roblox?
As of September 28, 2026, Diamond Book has a Recent Average Price (RAP) of 123 Robux and the cheapest reseller listing is 6,499 Robux. Across the 20 owned copies, its estimated market value is 2,460 Robux.
That puts the cheapest copy 5184% 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 Diamond Book?
Diamond Book is a UGC Limited Hat with 20 total copies. It is sold out at the original price, so copies now trade only on the resale market. It originally sold for free.
Diamond Book has 216 favorites on the Roblox catalog.
Diamond Book sales history
RBX Invest has recorded one sale of Diamond Book, on Nov 4, 2025.
Free claims from the creator are not counted, so these are sales between players.
Did Diamond Book make money for release buyers?
Diamond Book sold out of its original stock 42 days after its first recorded sale, on Jul 5, 2025. Copies could be resold from Jun 23, 2025, once Roblox's 30-day resale lock ended.
About Diamond Book
This is the most expensive book ever! Only costs $1000000000
Where to find Diamond Book
Diamond Book is Roblox asset ID 109855985639980. It was published by Sk7p’s Ugc’s. On RBX Invest it sits in the UGC Limited Hats, Limiteds under 100 Copies, Limiteds under 1,000 Copies, Limiteds under 10,000 R$ 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.