Ruby Quality Factors
Ruby can command the highest prices of any coloured gemstone. The per-carat prices of fine-quality rubies have been rising consistently, and frequently break auction records. Click here to learn about the factors that make ruby so desirable!
Ruby and Sapphire Production and Distribution: A Quarter Century of Change
During the past 25 years, the corundum market has been transformed from one of medium to high-priced gems to one that encompasses nearly all price ranges.