You can obtain the Gem trait in Dungeon Village 2 in your city by Ruby or Sapphire. Worth 3 points each, Ruby, Sapphire, Emerald, Topaz, Pink Diamond and Magatama Gem are the most points towards acquiring the Gem trait.
The Gem trait is a requirement for five titles, including Quality Wares, A Touch Of Class and Treasure Trove.
The exact contribution of points for each factor in the Gem trait is listed below.
In Dungeon Village 2, the Gem trait is a requirement in five titles, Quality Wares, A Touch of Class, Treasure Trove, Mining Town and Aristocratic Burg.
Quality Wares
Gem: 40 points
Other Traits Needed For "Quality Wares":
Melon: 50Antique: 40
Stars:
A Touch of Class
Gem: 10 points
Other Traits Needed For "A Touch of Class":
Luxury: 10Aristocrat: 20
Stars: