Size: 4x2mm, 5x2.5mm
Colour: "Teal/Blue" Parti Sapphire
Cut: Marquise 
Ethical Source: Montana, USA by Columbia Gemhouse, Fair Trade Gems™

Sapphire is next to diamond on the hardness scale. It is a beautiful and durable stone that comes in a wide variety of colours from red, yellow, green, and the traditional blue. Ruby is simply a specific colour of Sapphire.

These sapphires from an ethical mine in Montana, USA.