美媒：钻石不再“永流传”？

Group 1 - The value of diamonds is being redefined due to the rise of lab-grown diamonds, which are similar in appearance and properties to natural diamonds but are significantly cheaper [1][2][3] - The traditional marketing strategy of De Beers, which emphasizes the rarity and timelessness of diamonds, is becoming less effective in the face of technological advancements that allow for the easy production of diamonds [2][3] - The luxury goods market, including diamonds, is facing a crisis as the scarcity that once defined their value is being challenged by the availability of alternatives, such as lab-grown diamonds [3] Group 2 - The issue of counterfeit and knockoff products is becoming more prevalent, impacting the luxury market, but high-end brands like Hermès still maintain demand due to their unique craftsmanship and brand prestige [2] - De Beers faces challenges in maintaining diamond scarcity while ensuring that diamonds remain a common choice for engagement rings among consumers in the U.S. [2]