Answer
Jul 24, 2026 - 01:23 PM
The rarest color of spinel is cobalt blue, often described as "electric blue" or "neon blue." This vibrant and intense hue is exceptionally prized among collectors and gem enthusiasts. True cobalt-blue spinels are incredibly scarce, primarily sourced from Sri Lanka and Vietnam, and their remarkable color and rarity ensure they command exceptionally high prices in the gemstone market.
