diff --git a/sql/world/base/professions.sql b/sql/world/base/professions.sql
index 787eb69..b638a98 100644
--- a/sql/world/base/professions.sql
+++ b/sql/world/base/professions.sql
@@ -30,6 +30,9 @@ UPDATE quest_template SET RewardItem3 = 16085, RewardAmount3 = 1 WHERE ID IN (66
 UPDATE `creature_template` SET `npcflag` = 128 WHERE `entry` IN (18990, 18991);
 DELETE FROM `npc_trainer` WHERE `ID` IN (18990, 18991);
 
+-- Make Brilliant Glass craft only available once WotLK is reached, to avoid early access to epic TBC gems
+UPDATE `npc_trainer` SET `ReqLevel` = 71 WHERE `SpellID` = 47280;
+
 -- Cooking Skills learned from Books and Quests, not trainers
 DELETE FROM npc_trainer WHERE SpellID IN (18261, 19886, 54257, 54256);
 UPDATE quest_template SET RewardItem1=16073, RewardAmount1=1 WHERE id = 6610;