Stone: Blue sapphire Weight: .92 cts Clarity: SI2 Dimensions: 5.40x 5.15x 3.92mm Design: Square barion cushion Origin: Eldorado bar, Montana Treatment: None Cut by: John B. Notes: This is a nice untreated blue sapphire. The tone of this stone is medium to medium light. The silt inclusions seem to not hamper its brilliance. The stone shifts color depending on the lighting.