Skip to content
Grum Jak
Item
Grum Jak
Roblox
Asset 14808177823by Lums & Co. UGC
Current RAP
775R$
Avg Price (30d)
800R$

1 sale

Avg Price (90d)
1,100R$

2 sales

Avg Price (180d)
1,100R$

2 sales

Lowest Price
Free

resale from 1,000 R$

Original Price
Free
Total Copies
328
Original Copies Remaining
13

3.97% left

Summary

Grum Jak is a Roblox UGC Limited hat by Lums & Co. UGC. 13 of 328 original copies are still on sale from the creator, about 96% of the stock claimed. It was originally on sale for free. Resale listings start at 1,000 R$, about 29% above its RAP of 775 R$. RBX Invest has tracked 1 sale of it in the past 30 days. It was created on Roblox on Sep 17, 2023.

Description

"I am become Grum." Grum Jak by acidpurewarrio_r This item was obtained by owning the Grummy Gift. No new copies are available.

Grum Jak

Grum Jak is a Roblox UGC Limited hat by Lums & Co. UGC. 13 of 328 original copies are still on sale from the creator, about 96% of the stock claimed. It was originally on sale for free. Resale listings start at 1,000 R$, about 29% above its RAP of 775 R$. RBX Invest has tracked 1 sale of it in the past 30 days. It was created on Roblox on Sep 17, 2023.

RAP 775 R$
Lowest Price 1,000 R$
Total Copies 328
Original Copies Remaining 13
Original Price Free
Market Cap 244,125 R$
Item Type UGC Limited
Category Hat
Creator Lums & Co. UGC

How much is Grum Jak worth? Price and value

As of October 19, 2026, Grum Jak is worth about 775 Robux, its Recent Average Price (RAP), and the cheapest copy for sale is priced at 1,000 Robux. Across the 315 owned copies, its estimated market value is 244,125 Robux.

That puts the cheapest copy 29% 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 Grum Jak?

Grum Jak is a UGC Limited Hat with 328 total copies. 13 copies are still available from the creator. It originally sold for free.

Grum Jak has 716 favorites on the Roblox catalog.

Grum Jak sales history

RBX Invest has recorded 107 sales of Grum Jak across 81 trading days, from Oct 19, 2023 to Sep 25, 2026.

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

Its highest daily average sale price was 1,400 Robux on Aug 4, 2026, and its lowest was 95 Robux on Oct 30, 2024.

By calendar year, its average sale price went from 317 Robux in 2023 to 1,100 Robux in 2026, up 247%.

Grum Jak: average sale price in the 12 most recent months with recorded sales
MonthAverage sale priceSales
Sep 2026800 R$1
Aug 20261,400 R$1
Dec 20252,749 R$1
Nov 20251,000 R$1
Sep 2025750 R$2
Aug 2025567 R$3
Jul 2025200 R$2
May 2025300 R$1
Mar 2025299 R$3
Feb 2025299 R$1
Jan 2025285 R$2
Nov 2024170 R$2

Did Grum Jak make money for release buyers?

Grum Jak sold out of its original stock 37 days after its first recorded sale, on Oct 24, 2023. Copies could be resold from Oct 17, 2023, once Roblox's 30-day resale lock ended.

About Grum Jak

"I am become Grum." Grum Jak by acidpurewarrio_r This item was obtained by owning the Grummy Gift. No new copies are available.

How to get Grum Jak

Grum Jak can still be bought from the creator on the Roblox catalog, with 13 copies left.

Grum Jak is Roblox asset ID 14808177823. It was published by Lums & Co. UGC. On RBX Invest it sits in the UGC Limited Hats, Limiteds under 1,000 Copies, Limiteds under 1,000 R$, Limiteds under 10,000 R$ 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.