1, price: the price of Japanese Tiffany necklace is lower than that of British Tiffany necklace. This is because Japan's currency exchange rate is relatively low and Japan's consumption tax is also very low. These factors make it cheaper to buy Tiffany necklaces in Japan.

2. Style: Although Tiffany has a unified brand image and product line all over the world, Tiffany stores in different countries and regions will have different styles and product lines. Therefore, the styles and product series of Tiffany necklaces in Japan are different from those in Britain.