All of the standard rules for ioun stones apply fully to the following stones.
| Color | Shape | Effect | Market Price |
| Brass | Lozenge | cure light wounds, on command * | 3,000 gp |
| Bright Silver | Cylinder | ethereal jaunt for 1 hour * | 12,000 gp |
| Brown | Rhomboid | gaseous form for 1 hour * | 9,000 gp |
| Cerulean Blue | Rhomboid | Acts as a ring of freedom of movement | 80,000 gp |
| Clear Pink | Sphere | User’s essence is transferred if death blow is landed *** | 5,400 gp |
| Clear | Sphere | +5 to Spell Resistance ** | 100,000 gp |
| Copper | Rectangle | read magic (at will) | 1,800 gp |
| Deep Black | Sphere | see in magical darkness (30 ft.) | 30,000 gp |
| Deep Purple | Prism | darkvision (+30 ft.) | 30,000 gp |
| Flickering White | Snowflake | +5 Cold Resistance ** | 50,000 gp |
| Bright White | Rectangle | +5 Acid Resistance ** | 50,000 gp |
| Gold | Ellipsoid | User can go astral for 1 hour * | 53,000 gp |
| Green | Sphere | +2 to saves vs. poison | 2,000 gp |
| Light Blue | Prism | tongues (always active) | 60,000 gp |
| Maroon | Star | DR 10/+1 | 30,400 gp |
| Orange | Cube | Acts as a ring of mind shielding | 16,000 gp |
| Pale Yellow | Lozenge | Acts as a ring of water walking | 30,000 gp |
| Puce | Cube | detect thoughts (at will) | 12,000 gp |
| Pulsing Red | Star | +5 Fire Resistance ** | 50,000 gp |
| Rainbow | Ellipsoid | levitate (at will) | 15,000 gp |
| Rainbow | Spindle | User can polymorph self for 1 hour * | 33,600 gp |
| Silver | Rod | +5 Electrical Resistance ** | 50,000 gp |
| Silver | Sphere | uncanny dodge (as a 5th level barbarian) | 10,000 gp |
| Silvery Mirror | Cube | Immunity to gaze attacks | 10,000 gp |
| Soft Black | Rectangle | energy drain protection * | 20,000 gp |
| Yellow | Sphere | continual flame on command | 21,600 gp |
| Yellow and Black | Sphere | continual flame or darkness on command | 43,200 gp |
| * This stone has 2d10 charges when found. When the charges have been used, the stone burns out and turns to dull gray, forever useless. | |||
| ** This stone stacks with other resistances, however it cannot increase resistance above 30. | |||
| *** This stone works once and then the stone burns out and turns to dull gray, forever useless. | |||
Clear Pink Sphere: If a death blow is landed on the character with this stone circling, the character's soul is transferred into the stone. If someone then breaks the stone, the is raised as if a raise dead spell had been cast.
Caster Level: 15th; Prerequisites: Craft Wondrous Item, deathwatch, raise dead, soulbind; Market Price: 5,400 gp
Deep Black Sphere: The character can see in darkness, magical or otherwise.
It bestows one negative level on any good character attempting to use it. The negative level remains as long as the stone is circling and disappears when it is no longer circling. This negative level never results in actual level loss, but it cannot be overcome in any way (including restoration spells) while the stone is circling.
Caster Level: 12th; Prerequisites: Craft Wondrous Item, devil's eye, creator must be evil; Market Price: 30,000 gp
Soft Black Rectangle: The character is protected from energy drain. One charge per level is drained whenever the character it hit by an energy drain effect. For example if a spectre hits the character, the stone would negate the energy drain, but two charges would be drained from the stone.
Caster Level: 12th; Prerequisites: Craft Wondrous Item, negative plane protection; Market Price: 30,000 gp