The Persian turquoise is the finest available.  The purity of the color is Excellent Quality.  The details for these gorgeous earrings are listed below:
Metal Quality: 14 K Yellow Gold
Earring Type: Stud
Gemstone: Turquoise
Gemstone Measurements: 7.7mm X 5.8 mm Oval
Gemstone Color: Blue
Measurements: 8.3mm X 6.3 mm
Post Type: Stud
Total Gram Weight: .84 g