国际钻石巨头钻石价格又降了， 全球奢侈品消费市场降温

Group 1 - The core point of the article is that De Beers, a major player in the diamond industry, has lowered diamond prices for the first time in over a year due to a cooling global luxury goods market and the rising popularity of lab-grown diamonds [1] - The decline in diamond prices is attributed to several factors, including the slowdown in luxury goods consumption, the increasing acceptance of synthetic diamonds, and the imposition of tariffs by the U.S. on rough diamond processing countries like India [1] - De Beers, founded in 1888 in London, was once responsible for approximately 90% of the global diamond supply market, highlighting its significant influence in the industry [1]