Discover the colorful collection of certified natural opals on the GemsRoot site. These gems are often referred to as "Uppal" and radiate a unique color play. The Opal stone cost can vary anywhere from Rs500 to Rs30,000 per carat depending on the origin, clarity and color pattern. Each piece is certified by a lab and chosen for its natural, unheated quality. This makes it attractive to both collectors and people looking for meaningful gemstones.