Here's a handy Diablo 4 gem upgrades list that will tell you what level your character needs to be before Flawless and Royal gems drop.
How To Upgrade Gems, Sockets, Runes & Jewelry in Diablo 4
Salvage gems menu and gem fragments menu : r/diablo4
Diablo 4 Gems: How to upgrade gems and unlock the Jeweler
Diablo 4 Gems: How to upgrade gems and unlock the Jeweler
Blizzard Entertainment Archives - Page 6 of 19 - GameRevolution
Diablo IV Complete Gem Guide - KeenGamer
How to Use the Gem Crafter in Diablo 4 Open Beta INSANE POWER UPS!
How To Upgrade Jewelry In Diablo 4
Diablo 4 Gems: How to upgrade gems and unlock the Jeweler
Diablo 4 Gems: How to upgrade gems and unlock the Jeweler
Diablo 4 Gems: How to upgrade gems and unlock the Jeweler
What you should know about Jewel Crafting in Diablo IV. All Gems, Stats, and Upgrade Costs.
Diablo 4 Gem Upgrades List: When Can You Find and Craft All Gems? - GameRevolution
Diablo 4 gems - how to upgrade best gems for every class in Season 2 - VideoGamer
Diablo 4 Gems Guide: Everything To Know About Gems and How To Upgrade - EssentiallySports