High-high-quality, natural yellow sapphires are fairly scarce, so jewelers may make up the main difference through therapies or artificial stones. Heat and irradiation treatment plans are widespread to further improve coloring, but irradiated gems can fade from daylight publicity. Diffusion is an additional significantly less frequent procedure. Thanks Navratan for https://geilebookmarks.com/story17911678/natural-yellow-sapphire-from-sri-lanka-options