The global diamond market was valued at USD 102.06 billion in 2025 and is projected to grow from USD 106.76 billion in 2026 to USD 153.1 billion by 2034, exhibiting a CAGR of 4.6% during the forecast period. In terms of diamond industry market share, North America dominated with 55% share in 2025, driven by high disposable income and strong demand for jewelry, particularly in the U.S.
The U.S. diamond market alone is expected to reach USD 68.64 billion by 2032, highlighting its significant contribution to global demand. Asia Pacific holds the second-largest share and is expected to witness steady growth due to rising middle-class population and increasing adoption of luxury products.
Lab-grown diamonds (synthetic diamonds) are rapidly transforming the industry. These diamonds are chemically, physically, and optically identical to natural diamonds but are more affordable and sustainable.
The lab diamond market share is increasing significantly, especially in the jewelry segment. Synthetic diamonds are expected to dominate the market by type, contributing over 96% share by 2026 due to their cost-effectiveness and wide industrial applications.
The lab-grown diamond market size is expanding due to:
This shift indicates a structural transformation in the diamond industry, where lab-grown diamonds are becoming a mainstream choice.
One of the key diamond market trends is the rising demand for innovative and customized jewelry designs. Consumers, especially millennials and Gen Z, are shifting towards unique, colored, and personalized diamond jewelry.
Another major trend is the rapid growth of online jewelry sales channels, which has made diamond products more accessible globally. E-commerce platforms allow consumers to compare prices, designs, and certifications easily.
Additionally, sustainability and ethical sourcing are becoming crucial buying factors. Lab-grown diamonds are gaining popularity as they address concerns related to mining and environmental impact.
Several factors are driving diamond market growth:
1. Rising Demand from Jewelry Industry
Diamonds continue to be highly valued in engagement rings, weddings, and luxury fashion. Increasing disposable income and changing lifestyles are boosting jewelry consumption globally.
2. Industrial Applications Expansion