After creating a [item=153716], jewelcrafters can pick up free gems every day from of six shrines, each corresponding to a gem colour.
Only shrines that have been unlocked (by completing a quest) show on the map, and can be interacted with.
Some quests may have already been completed during the previous questlines, if they're not showing you can confirm they're complete with the following macros:
Tiragarde Sound, Blue Gems - Tol Dagor: Jewel of the Tides, Tol Dagor dungeon, completed during jewelcrafting questline
/run local id=55578 print(("The quest with ID %s is %scomplete."):format(id, IsQuestFlaggedCompleted(id) and "" or "not "))
Drustvar, Purple Gems - High Prospects, completed during jewelcrafting questline
/run local id=55580 print(("The quest with ID %s is %scomplete."):format(id, IsQuestFlaggedCompleted(id) and "" or "not "))
Stormsong Valley, Yellow Gems Cracking the Surface, completed during jewelcrafting questline
/run local id=55579 print(("The quest with ID %s is %scomplete."):format(id, IsQuestFlaggedCompleted(id) and "" or "not "))
Zuldazar, Green Gems - Atal'Dazar: Not All That Glitters..., Atal'Dazar dungeon
/run local id=55582 print(("The quest with ID %s is %scomplete."):format(id, IsQuestFlaggedCompleted(id) and "" or "not "))
Nazmir, Red Gems 4 - Out With the Old, Hand in 4 Insightful Rubellite
/run local id=49583 print(("The quest with ID %s is %scomplete."):format(id, IsQuestFlaggedCompleted(id) and "" or "not "))
Vol'dun, Orange Gems - Sun-Speckled Dunes, Collect gems and polish as per DMF glass quest
/run local id=49581 print(("The quest with ID %s is %scomplete."):format(id, IsQuestFlaggedCompleted(id) and "" or "not "))
Corrected coordinates are:
/way Tiragarde Sound 46.36 23.45 Blue Gems - Shrine already unlocked
/way Drustvar 34.13 35.46 Purple Gems - Shrine already unlocked
/way Stormsong Valley 60.70 58.51 Yellow Gems
/way Zuldazar 43.14 64.35 Green Gems - Atal'Dazar dungeon to unlock
/way Nazmir 61.32 37.24 Red Gems 4 - Insightful Rubellites to unlock
/way Vol'dun 44.18 38.05 Orange Gems - Collect gems and polish as per DMF glass quest to unlock.