Calculator:Crafting/Gem cutting

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This is a static calculator.
It does not take user inputs, but it does use changing prices from the Grand Exchange Market Watch. If prices appear to be outdated, purge the page by clicking here.

The gem cutting calculator is a calculator using current exchange prices which shows you how much money you will lose or gain by successfully cutting one of each gem type assuming you buy and sell the gems using the grand exchange. Using high or low alchemy may affect how much you lose or gain from cutting gems. Also, buying higher than or selling lower than the current market price (such as buying at highest price or selling at lowest price) will cause you to lose more money when cutting gems.

To determine how much you will lose or gain from cutting more than one gem of the same variety, multiply the number of gems you plan on cutting by the value in the per gem column. To determine how much it will cost per level, multiply the amount of crafting XP until the next level by the value in the per XP column.

Profit when cutting gems[edit source]

Type Level Uncut price Cut price XP Crafting Profit per gem Profit per XP
Uncut opal.png: RS3 Inventory image of Uncut opalUncut opal[1] 1 521 502 15 −19 −1.3
Uncut jade.png: RS3 Inventory image of Uncut jadeUncut jade[1] 13 2,065 2,797 20 732 36.6
Uncut red topaz.png: RS3 Inventory image of Uncut red topazUncut red topaz[1] 16 915 1,128 25 213 8.5
Uncut sapphire.png: RS3 Inventory image of Uncut sapphireUncut sapphire 20 572 365 50 −207 −4.1
Uncut emerald.png: RS3 Inventory image of Uncut emeraldUncut emerald 27 357 403 67.5 46 0.7
Uncut ruby.png: RS3 Inventory image of Uncut rubyUncut ruby 34 362 388 85 26 0.3
Uncut diamond.png: RS3 Inventory image of Uncut diamondUncut diamond 43 856 605 107.5 −251 −2.3
Uncut dragonstone.png: RS3 Inventory image of Uncut dragonstoneUncut dragonstone 55 5,973 5,734 137.5 −239 −1.7
Uncut onyx.png: RS3 Inventory image of Uncut onyxUncut onyx 72 1,076,736 1,082,021 167.5 5,285 31.6
Uncut hydrix.png: RS3 Inventory image of Uncut hydrixUncut hydrix 79 69,805,479 70,995,828 197.5 1,190,349 6,027.1
  1. ^ a b c Players have a chance (higher at low Crafting level) at failing to cut these gems, turning it into useless crushed gem. If this happens, you will receive minimal experience, and you will not make any money back if you paid for the gem. It is not recommended to train with these types of gems.

Profit when cutting gems with a crystal chisel and portable crafter[edit source]

Type Level Uncut price Cut price XP Crafting Profit per gem Profit per XP Profit per XP
(with portable crafter)
Uncut sapphire.png: RS3 Inventory image of Uncut sapphireUncut sapphire 20 572 365 50 −207 −4.1 −3.8
Uncut emerald.png: RS3 Inventory image of Uncut emeraldUncut emerald 27 357 403 67.5 46 0.7 0.6
Uncut ruby.png: RS3 Inventory image of Uncut rubyUncut ruby 34 362 388 85 26 0.3 0.3
Uncut diamond.png: RS3 Inventory image of Uncut diamondUncut diamond 43 856 605 107.5 −251 −2.3 −2.1
Uncut dragonstone.png: RS3 Inventory image of Uncut dragonstoneUncut dragonstone 55 5,973 5,734 137.5 −239 −1.7 −1.6