5CT Vivid blue Stars Saphire In 925 Sterling Silver Jewellery set

Set Weight : 50 carats

Sapphire is a precious gemstone comprised of the mineral corundum and trace elements like iron, titanium, cobalt, boron, or silicon. While the most well-known version of sapphire is blue, it can be nearly any color (besides red, as gemstones with red corundum are classified as rubies).

1. Color Is The Most Important Quality Factor For Sapphire. The most highly valued blue sapphires are velvety blue to violetish blue, in medium to medium dark tones. ...

2. Clarity Refers To The Inclusions. ...

3. Cut Is One Of The Most Important Factors In Appearance. ...

4. Carat Weight Allows For Precise Measurements.

5. Because of the remarkable hardness of sapphires – 9 on the Mohs scale (the third-hardest mineral, after diamond at 10 and moissanite at 9.5) – sapphires are also used in some non-ornamental applications, such as infrared optical components, high-durability windows, wristwatch crystals and movement bearings, and very ...

6. Sapphire is September's birthstone, as well as the 5th and 45th-anniversary gemstone.

7. Sapphire ranks as a 9 on the Mohs scale.

8. The name “sapphire” comes from the Greek word sappheiros.

9. Kings and queens in ancient Greece and Rome believed the blue sapphires would protect them from harm.