The global diamond jewelry market is valued at US$ 102.70 Billion in 2026 and is projected to reach US$ 143.55 Billion by 2033, growing at a CAGR of 4.9%.
Growth is driven by rising disposable incomes in emerging markets, expanding diamond engagement traditions, and increasing adoption of lab-grown diamonds among price-sensitive consumers.
Round Brilliant Cut Diamonds hold the largest share at 38.6%, supported by their global preference in engagement rings, certified jewelry, and investment-grade diamonds.
The biggest opportunity lies in provenance-certified and ethically sourced diamond jewelry, supported by blockchain traceability and growing consumer demand for transparency.
Leading players include Tiffany & Co., Cartier, Chow Tai Fook Jewellery Group, and Signet Jewelers, with competition centered on brand strength, provenance, design innovation, and omnichannel capabilities.