金价十年涨四倍 钻戒身价却暴跌 两者为何背道而驰

Core Insights - The contrasting price trends of gold and diamonds reflect differing market dynamics, with gold prices increasing nearly fourfold over the past decade, while diamond prices have dropped over 45% from their peak [1][4][8]. Group 1: Market Performance - Gold prices have surged from approximately $1,000 per ounce in 2015 to over $5,100 per ounce by the end of 2022, marking a cumulative increase of nearly 400% [4]. - In contrast, the International Diamond Exchange (IDEX) diamond index has fallen from a peak of 158 in 2022 to around 86.08, representing a decline of over 45% [4]. - Major diamond producer De Beers has significantly reduced prices, with a historical price cut of 10% to 15% for rough diamonds, indicating a severe market downturn [4][5]. Group 2: Company Performance - The stock price of DR Jewelry's parent company, Diya Co., has plummeted over 80% from its peak, reflecting the struggles within the diamond market [6][7]. - Conversely, Zijin Mining, the largest gold company in A-shares, saw its market capitalization exceed 1 trillion yuan, with a stock price increase of 135.77% in 2025 [7]. Group 3: Supply and Demand Dynamics - The decline in diamond demand is attributed to a cooling marriage market globally, with significant drops in marriage registrations in countries like Japan and South Korea [8]. - The supply side has also changed, with the traditional monopoly of De Beers diminishing as new diamond mines are discovered worldwide [9]. - The rise of lab-grown diamonds, which are produced at a fraction of the cost of natural diamonds, is reshaping the industry, with lab-grown diamonds priced at 10% to 20% of natural diamonds [9]. Group 4: Future Outlook - Analysts suggest that the divergence in price trends between gold and diamonds is unlikely to reverse in the short term, although new market variables may emerge [10]. - The long-term value of natural diamonds is supported by their scarcity and steady market demand, despite short-term price fluctuations influenced by inventory levels and global interest rates [12].