1. Color: De Beers' permanent dyeing is light yellow, while De Beers is a white diamond, crystal clear.

2. Price: The price of De Beers permanent dye is generally around 2000-2300 yuan, while the price of De Beers is relatively high, generally above 3000 yuan.

3. Brand history and influence: De Beers is a world-renowned rough diamond company, which owns several well-known diamond mining businesses, covering South Africa, Canada and other regions, leading 40% of the global diamond mining and trade. De Beers permanent dyeing is a product line under the De Beers brand, focusing on diamond mining and jewelry making.

To sum up, the difference between De Beers permanent dyeing and De Beers is mainly in color, price, brand history and influence.