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Gem Bag Calculator

A bag full of gems can be obtained for 40 golden nuggets from Percey's Nugget Shop, or for 20 unidentified minerals from Belona's Mining Exchange or for 300 stardust from Dusuri. The gems contain an assortment of 40 noted uncut gems. Bag full of gems rarity from OSRS Wiki

The calculator below rolls the probability of having x amount of Gem bags, giving a rough estimate of what gems to expect.


Gem Bags

Item

Quantity

Rarity

Uncut Sapphire

208

40 x (1/2.003)

Uncut Emerald

147

40 x (1/2.884)

Uncut Ruby

31

40 x (1/8.475)

Uncut Diamond

16

40 x (1/32.363)

Uncut Dragonstone

3

40 x (1/161.33)

Uncut Onyx

0

40 x (1/100,000,000)

Total Crafting experience (Cutting Only)
25,090