Newbie trying to price a watcher's eye

Item Class: Jewels
Rarity: Unique
Watcher's Eye
Prismatic Jewel
--------
Limited to: 1
--------
Item Level: 85
--------
6% increased maximum Energy Shield
5% increased maximum Life
5% increased maximum Mana
47% reduced Reflected Elemental Damage taken while affected by Purity of Elements
Unaffected by Temporal Chains while affected by Haste
--------
One by one, they stood their ground against a creature
they had no hope of understanding, let alone defeating,
and one by one, they became a part of it.
--------
Place into an allocated Jewel Socket on the Passive Skill Tree. Right click to remove from the Socket.