diff --git a/kubejs/startup_scripts/gtceu/material_modification.js b/kubejs/startup_scripts/gtceu/material_modification.js
index f3639c0d4..58ef061c1 100644
--- a/kubejs/startup_scripts/gtceu/material_modification.js
+++ b/kubejs/startup_scripts/gtceu/material_modification.js
@@ -440,6 +440,8 @@ const registerGTCEuMaterialModification = (event) => {
 	GTMaterials.RhodiumPlatedPalladium.setMaterialARGB(0xFFC2EC)
 	GTMaterials.Rhenium.setMaterialARGB(0x8cb07f)
 	GTMaterials.Rhenium.setMaterialSecondaryARGB(0x9ccbd6)
+	GTMaterials.Diamond.setMaterialARGB(0x4AEDD9)
+	GTMaterials.Diamond.setMaterialSecondaryARGB(0x1AAAA7)
 
 	
 	global.MINECRAFT_DYE_NAMES.forEach(colorName => {