Rings & Belts have 1 stat point at base level,
and increase up to 5 at Legendary rarity.

Ring of Strength
Ring of Health
Ring of Wisdom
Ring of Intelligence
Ring of Agility

Belt of Strength
Belt of Health
Belt of Wisdom
Belt of Intelligence
Belt of Agility

Trinkets have 1 stat point at base level,
ontop of having an extra 75 hp & 30 mp at base level.
This increases up to 5 & 375/150 at Legendary rarity.

Trinket of Strength
Trinket of Health
Trinket of Wisdom
Trinket of Intelligence
Trinket of Agility

You can find all of these globally right from Level 1. The Droprate of these are different compared to other Equipment and higher quality varietys are more rare.