Can Tranquil Orb be bought on the auction house?

No. It binds when picked up, so it is earned as a drop, quest reward, or vendor purchase and cannot be traded or listed.

How much does Tranquil Orb cost on the auction house?

Normal Alliance US is scanned, but no scan has caught a listing of it there yet. The price appears here after the first scan that does; vendors pay 31s 42c.

Is Tranquil Orb different in Forever than in Classic Era?

Yes. 2 values changed between the Classic Era record and Forever; the comparison table on this page lists each one.

Tranquil Orb

Uncommon miscellaneous held in off-hand · item level 46 · id 4125

Normal Alliance USscanned 3 min ago

Changed from Classic Era in World of Warcraft: Forever (build 1.60.1.70862): item level 43 to 46, spirit +8 to +9. Every item changed from Classic Era.

AlsoDeals on Normal Alliance US Similar items

Reference values

Vendors buy for

31 42

Vendors sell for

1 25 70

The floor and the ceiling until the auction house opens: no one lists below the vendor price for long, and nothing crafted sells under its reagents. Auction prices for Normal Alliance US appear on this page the moment a scan catches a listing.

Latest price · Normal Alliance US

Normal Alliance US is scanned, but no scan has caught a listing of Tranquil Orb there yet. Its price appears here after the first scan that does. Have the addon and you can check the house yourself.

About Tranquil Orb

Tranquil Orb is an uncommon miscellaneous held in off-hand armor piece in World of Warcraft: Forever. It has item level 46 and binds when picked up. It gives +4 Stamina and +9 Spirit. Sold by vendors for 1g 25s 70c, who buy it back for 31s 42c.

Quick answers

What is Tranquil Orb?: Tranquil Orb is an uncommon miscellaneous held in off-hand armor piece in World of Warcraft: Forever. Sold by vendors for 1g 25s 70c.
Can Tranquil Orb be bought on the auction house?: No. It binds when picked up, so it is earned as a drop, quest reward, or vendor purchase and cannot be traded or listed.
What are the stats on Tranquil Orb?: +4 Stamina and +9 Spirit.
How much does Tranquil Orb cost on the auction house?: Normal Alliance US is scanned, but no scan has caught a listing of it there yet. The price appears here after the first scan that does; vendors pay 31s 42c.
Is Tranquil Orb different in Forever than in Classic Era?: Yes. 2 values changed between the Classic Era record and Forever; the comparison table on this page lists each one.

Classic Era vs Forever

What	Classic Era	Forever
Item level	43	46
Spirit	+8	+9

Era values from Blizzard's Game Data API; Forever values from Forever's game data.

Details

Class: Armor
Subclass: Miscellaneous
Quality: uncommon
Slot: Held In Off-hand
Item level: 46
Binding: Binds when picked up
Vendor sell: 31s 42c
Vendor buy: 1g 25s 70c
Blizzard item id: 4125
Client build: 1.60.1 (build 70862)

Where it comes from

Not tradeable. It binds when picked up, so it is earned in play and never listed on the auction house.
Vendors sell it for 1g 25s 70c and buy it back for 31s 42c. That is the ceiling for an auction price while vendors stock it.
Disenchants into Dream Dust, Greater Nether Essence, Large Radiant Shard, worth about 79s 65c on Normal Alliance US today. Odds below.

Disenchants into

Dream Dust75% of the time · 1 to 230s 94c
Greater Nether Essence20% of the time · 1 to 21g
Large Radiant Shard5% of the time2g 97s

Expected value 79s 65c per disenchant at Normal Alliance US medians. More than the 31s 42c a vendor pays for it.

Selling the materials on: Dream Dust none sold this week; Greater Nether Essence none sold this week; Large Radiant Shard about 2 a day, listings clear in about 11 days. No Dream Dust sold this week, so that part may sit unsold.

Vanilla disenchant tables by quality and item level; the same estimate the addon shows in tooltips.

Similar miscellaneous items in WoW Forever

Every miscellaneous item in the catalog Every armor item in the catalog