# Gems Offset

## <img src="https://3375153115-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F5uhW8FwQpXQj8tHUULMo%2Fuploads%2F8IBClWVHokcKgeOx6MDk%2FG6_11_DIAMOND_GEM_OFFSET_CRV.png?alt=media&#x26;token=96b8d5a4-615b-4621-9e6b-2caea9b0d89c" alt="" data-size="line"> Gems Offset

This command extracts the girdle curve and applies an offset of one or more gems.&#x20;

<figure><img src="https://3375153115-files.gitbook.io/~/files/v0/b/gitbook-x-prod.appspot.com/o/spaces%2F5uhW8FwQpXQj8tHUULMo%2Fuploads%2FVnluBGS8DhCdzTnAdwcx%2Fimage.png?alt=media&#x26;token=b7941eae-b0b7-4e2f-a051-fbdf21ba3b05" alt=""><figcaption><p>Gems Offset</p></figcaption></figure>

1. Select one or more gems.
2. Set the offset value; this parameter can be negative.