CLEAN : FILE: Rare flawless diamond fetches US$15.7m in Hong Kong auction

The video tutorial discusses the pricing and market influences on diamonds, highlighting the quality, clarity, and chemical purity of diamonds. It explores the evolution of diamond cutting techniques from historical methods to modern technology. The tutorial also examines the market value and historical sales of high-caliber diamonds, emphasizing the skill required in cutting and polishing. Overall, it provides a comprehensive overview of the diamond industry, from extraction to market dynamics.

What is highlighted as a key factor in determining the price of rough diamonds?

• The color of the diamond

• The location of the mine

• The age of the diamond

• The size and quality of the diamond

Which characteristic is NOT mentioned as part of the diamond's flawless nature?

• No inclusions inside the stone

• No blemishes on the exterior

• Excellent polish and symmetry

• Unique color pattern

What does 'Type 2a' signify in terms of a diamond's chemical composition?

• It has a unique color

• It is almost exclusively carbon

• It is artificially enhanced

• It contains a mix of elements

How has diamond cutting evolved over the past century?

• It uses advanced machines for analysis

• It now involves more manual labor

• It relies solely on traditional methods

• It has become entirely automated

What is the historical price range for diamonds of high caliber and size?

• $11 million to $33 million

• $1 million to $10 million

• $34 million to $50 million

• $51 million to $70 million