https://www.icia.uk/wp-content/uploads/2025/02/AA1zbXNb.avif432768ICIA Media Centerhttps://www.icia.uk/wp-content/uploads/2026/11/icia-logo-600-250.avifICIA Media Center2025-10-16 01:16:002026-10-27 16:26:24Super hard “super diamond” developed in China, 40% stronger than natural diamond