The Unheated yellow sapphires are one of the most valuable gemstones formed naturally within the earth’s crust over millions of years. They differ from the heated yellow sapphire because of their rarity and purity as no artificial treatment enhances the color or clarity. The yellow sapphire unheated untreated are mined from different origins and have a subtle variation in their hue and tone, unlike the heated ones with more uniform color. They are mainly used for astrological purposes to bring wisdom, prosperity, and good fortune to their wearer. The unheated yellow sapphire price are higher because of their natural beauty and rarity ranging between INR 5,000-5,00,000 per carat.