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Custom Slack emoji

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:gem-alert: — Slack emoji free to download · EmojiBox

EmojiBox/Market/:gem-alert:

:gem-alert: Slack emoji — free PNG download

Custom Slack emoji

:gem-alert: Slack emoji

gem alert

Free PNG, sized for the Slack emoji picker. Add to any workspace in about 30 seconds.

Found in

Added: Mar 27, 2026
Popularity: #54,976/ 80,245
Workspaces: <1%

How to add it

Adding :gem-alert: to your Slack takes about 30 seconds.

Fastest· One click

Install the EmojiBox Chrome extension and push :gem-alert: straight to Slack from this page — no download, no upload, no naming.

Get the extension→

Or do it manually

Click Download PNG above.
In Slack, open the emoji picker and choose Add custom emoji.
Upload the file, name it gem-alert, and you're done.

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