Main Stone Type: Mined, Natural | Sapphire Hardness: 9/10 Shape: Oval Cut: Brilliant Cut Carat weight: 3.30 Dimensions: 9.8 x 7.9 x 6 mm (Printable Gem Size Chart - go by the diameter in mm) Color and notes: The color is a beautiful dark green-blue and turns naturally into a dark gray in indoor lighting! There are a few inner inclusions that are hard to see with the naked eye. Has a few very, very tiny natural openings on the surface, normal for this natural stone, and is a natural character tha