Updated 01/04/2023
These are unsalvaged prices - to get the price of these runes/insignias salvaged, add ~1-1.5k
Now onto the pricing

Warrior:-Rune of Minor Absorption ~ 500g-1k
-Rune of Minor Axe Mastery ~ 750g-1.5k
-Rune of Minor Hammer Mastery ~750g-1.5k
-Rune of Minor Strength ~ 1k-2k
-Rune of Minor Swordsmanship ~1k-1.5k
-Rune of Minor Tactics ~ 750g-1.5k
-Knight's Insignia ~ 1.5k-3k

Ranger:-Rune of Minor Beastmastery ~ 750g-1k
-Rune of Minor Expertise ~ 750g-1k
-Rune of Minor Marksmanship ~ 2k-3k
-Rune of Minor Wilderness Survival ~1k-1.5k
-Beastmaster's Insignia ~ MERCH

Monk:-Rune of Minor Divine Favor ~ 750g-1k
-Rune of Minor Healing Prayers ~ 750g-1k
-Rune of Minor Protection Prayers ~ 750g-1k
-Rune of Minor Smiting Prayers ~ 750g-1k
-MERCH Insignias

Necromancer:-Rune of Minor Blood Magic ~750g-1k
-Rune of Minor Curses ~ 750g-1k
-Rune of Minor Death Magic ~ 1k-3k
-Rune of Minor Soul Reaping ~750g-1.5k
-MERCH Insignias

Mesmer:-Rune of Minor Domination Magic ~ 1k-3k
-Rune of Minor Fast Casting ~ 1k-2k
-Rune of Minor Illusion Magic ~ 750g-1.5k
-Rune of Minor Inspiration Magic ~ 750g-1k
-MERCH Insignias (although, the Prodigy's Insignia may be sold for a nice profit to the rune trader in Post-Searing)

Elementalist:-Rune of Minor Air Magic ~ 750g-1k
-Rune of Minor Earth Magic ~ MERCH
-Rune of Minor Energy Storage ~ 1k-2k
-Rune of Minor Fire Magic ~ 5k-10k
-Rune of Minor Water Magic ~ MERCH
-MERCH Insignias
All Professions(Misc.)-Rune of Attunement ~ 500g-1k
-Rune of Minor Vigor ~ 5k-10k
-Rune of Vitae ~ 500g-1k
-Survivor Insignia ~ 1k-1.5k
-Radiant Insignia ~ 750g-1k
-Blessed Insignia ~ MERCH