The video discusses the Pink Star, the largest known vivid pink diamond, highlighting its rarity and value. It explains the grading system by the Gemological Institute of America, noting that vivid pink is the highest grade. The video also covers the unique coloration of pink diamonds, which is due to a distortion in the crystal lattice, unlike blue diamonds that get their color from boron impurities. The Pink Star's market value is estimated at $60 million, and it is internally flawless, belonging to the rare Type 2A category, known for their optical and chemical purity.

What makes the Pink Star diamond unique compared to other pink diamonds?

• It is the oldest diamond ever discovered.

• It is the only pink diamond found in Africa.

• It is part of the British Crown jewels.

• It is the largest known vivid pink diamond.

How do pink diamonds get their distinctive color?

• From impurities like boron.

• From distortions in the crystal lattice.

• From exposure to sunlight.

• From being submerged in water for centuries.

What is the significance of a diamond being classified as Type 2A?

• It is the most colorful type of diamond.

• It is the most chemically pure type of diamond.

• It is the most common type of diamond.

• It is the least valuable type of diamond.

What is the estimated value of the Pink Star diamond?

• $60 million

• $100 million

• $30 million

• $10 million

What is a notable feature of the Pink Star diamond besides its color?

• It is owned by a famous celebrity.

• It is the heaviest diamond ever found.

• It was discovered in the 18th century.

• It is internally flawless.