https://labdiamondinsights.com/news/scientists-melt-a-diamond-and-it-floats-on-its-own-liquid-what-the-physics-of-diamond-durability-means-for-lab-grown-buyers-in-2026 Lab Diamond Insights en 2026-08-23T00:00:00.000Z Scientists Melt a Diamond and It Floats on Its Own Liquid: What the Physics of Diamond Durability Means for Lab-Grown Buyers in 2026