卖不动了？十年前1.8万元买的，如今只能卖180元！巨头宣布：降价！

Group 1 - The diamond industry is facing one of the most severe and prolonged crises in modern history, influenced by declining luxury consumption in major markets and the rising popularity of lab-grown diamonds [1] - De Beers, the world's largest diamond producer, has announced a price reduction for rough diamonds, with an expected negotiation range of 10%-15% [1][2] - The RapNet Diamond Price Index indicates that prices for smaller diamonds, particularly those in the 0.5-carat range, are expected to decline significantly, with a projected drop of over 20% in 2025 [1][2] Group 2 - The U.S. import value of finished diamonds is projected to decline by 48% year-on-year in 2025, reflecting weak consumer confidence and a shift towards lighter jewelry due to high gold prices [3] - De Beers has accumulated over $2 billion in inventory, and the success rate of its diamond auctions has been decreasing [3] - The company aims to boost sales performance and provide greater profit margins for midstream processors to stimulate market demand [3] Group 3 - The diamond market has seen a significant decline in both sales and prices over the past few years, with certified diamond prices dropping by 35%-40% in the previous year [7] - The resale value of diamonds has plummeted, with some consumers reporting a depreciation of up to 99% on their purchases [7][8] - In contrast, gold prices have increased by over 400% in the same period, highlighting the lack of value retention in diamonds [8] Group 4 - Lab-grown diamonds are gaining market share, with their sales accounting for over 40% of the global diamond jewelry market by 2025, an increase of more than eight times since 2019 [10] - The retail prices of lab-grown diamonds have dropped over 50% from their peak, making them significantly cheaper than natural diamonds [11] - The production of lab-grown diamonds in China is expected to reach approximately 22 million carats in 2024, representing 63% of global output [13]