If calculated according to the GIA color scale, the color factor will be classified with decreasing transparency from D to Z. Quality diamonds will be completely transparent at point D. About 49% of current diamonds are being exploited mainly in South Africa and Central Africa.

Diamonds are considered mystical objects, symbolizing power, strength, wealth, and courage. Diamonds currently lead in hardness by 10 points according to the Mohs scale, and this shows that diamonds are always perfectly resistant to breakage and scratches.