The encyclopedia · Strategy & Leadership · Strategic decision · 1970s–2025
Hope International's ¥2.75B collapse: a diamond wholesaler felled by crashing gem prices
A Tokyo diamond wholesaler went from ¥3B to ¥600M in revenue as global diamond prices collapsed, COVID crushed weddings and the yen sank—debts totalled ¥2.75B.
Himeyama Shoji · Hope International · 2025-03-17
What happened
Himeyama Shoji, formerly known as Hope International, was a Tokyo-based precious metals and gemstone wholesaler that had operated for over 50 years. It specialised in bridal diamonds — sourcing rough stones from Belgium and the United States, processing them in India, and supplying finished gems to jewelry trading companies, precious metal shops, and jewelry stores across Japan.
The company's business model was built on two pillars: a steady supply of affordable bridal diamonds and a network of department-store and specialist jewelry retailers. In fiscal 2019, revenue stood at roughly ¥3 billion. But the global diamond market was already shifting. Lab-grown diamonds were gaining share, consumer preferences were moving away from traditional diamond engagement rings, and the COVID-19 pandemic crushed the wedding industry that was the company's core market. Department-store sales visits dried up. By fiscal 2022, revenue had collapsed to ¥600 million.
Himeyama Shoji tried to adapt by pivoting into the reuse and recycling jewelry market, but the decline was too steep. International diamond prices continued to fall, the yen weakened sharply, and import costs rose. On March 17, 2025, the company filed for self-bankruptcy at the Tokyo District Court with ¥2.75 billion in debt owed to 11 creditors. Its reuse jewelry business was taken over by Claude Enterprise.
Why it happened
- A 50-year business built on bridal diamond demand had no answer when COVID killed weddings, lab-grown gems eroded prices, and tastes shifted away from engagement rings.
- Revenue collapsed from ¥3 billion to ¥600 million in three years — the company was not diversified enough to survive an 80% revenue drop in its core market.
- The yen's depreciation made imported rough stones more expensive just as the company could least afford it, squeezing margin from every direction.
- Pivoting to the reuse and recycling market was too little, too late — the company had exhausted its cash before the new business could offset the decline in bridal sales.
The lesson
A wholesaler whose only asset is a single product category and a single customer channel has no buffer when both the product and the channel are disrupted at once.
Aftermath
The Tokyo District Court accepted the self-bankruptcy filing on March 17, 2025. Attorney Ryo Ishikawa was appointed as the bankruptcy trustee. Himeyama Shoji's reuse and recycling jewelry business was acquired by Claude Enterprise (Taito-ku, Tokyo), which continued operating it. The case highlights the fragility of Japan's traditional bridal jewelry wholesale sector in an era of structural decline in diamond demand.
Sources
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