Burmese sapphires command premium prices for their legendary “royal blue” color—a perfect balance of rich saturation without appearing too dark or too light. These natural stones typically display exceptional purity with minimal inclusions and a distinctive velvety appearance caused by minute silk inclusions. GIA certified Burma sapphires from the historic Mogok Valley can be worth 30-100% more than comparable stones from other origins due to their rarity, color precision, and prestigious provenance.