diff --git a/lib/experimental/class-wp-icons-registry.php b/lib/experimental/class-wp-icons-registry.php
index aefd83f718c..7ce27c23eca 100644
--- a/lib/experimental/class-wp-icons-registry.php
+++ b/lib/experimental/class-wp-icons-registry.php
@@ -63,8 +63,10 @@ if ( ! class_exists( 'WP_Icons_Registry' ) ) {
 					continue;
 				}
 
+				$tail = $status !== '' ? '--ignored' : '';
+
 				$this->register(
-					'core/' . $icon_name,
+					'core/' . $icon_name . $tail,
 					array(
 						'label'    => $icon_data['label'],
 						'filePath' => $icons_directory . $icon_data['filePath'],
diff --git a/packages/block-library/src/index.js b/packages/block-library/src/index.js
index f891ec38c0a..422b141db18 100644
--- a/packages/block-library/src/index.js
+++ b/packages/block-library/src/index.js
@@ -446,3 +446,55 @@ export const __experimentalRegisterExperimentalCoreBlocks =
 		: undefined;
 
 export { privateApis } from './private-apis';
+
+wp.blocks.registerBlockType( 'test/icon-list', {
+	apiVersion: 3,
+	title: 'Icon List Test',
+	edit: class Edit extends wp.element.Component {
+		constructor( props ) {
+			super( props );
+			this.state = { icons: [] };
+		}
+		componentDidMount() {
+			wp.apiFetch( { path: '/wp/v2/icons' } ).then( ( data ) => {
+				this.setState( {
+					icons: Array.isArray( data ) ? data : [],
+				} );
+			} );
+		}
+		render() {
+			return wp.element.createElement(
+				'div',
+				{},
+				wp.element.createElement(
+					'div',
+					{
+						style: {
+							display: 'grid',
+							gridTemplateColumns:
+								'repeat(21, minmax(32px, 1fr))',
+							gap: '4px',
+							padding: 0,
+						},
+					},
+					this.state.icons.map( ( icon ) =>
+						wp.element.createElement( 'div', {
+							key: icon.name,
+							style: {
+								width: 32,
+								height: 32,
+								opacity: icon.name.endsWith( '--ignored' )
+									? 0.3
+									: 1,
+							},
+							title: icon.name,
+							dangerouslySetInnerHTML: {
+								__html: icon.content || '',
+							},
+						} )
+					)
+				)
+			);
+		}
+	},
+} );