Most Expensive Gemstones In Order
which is the most valuable gem by carat weight?,there are many gems that are more valuable than diamonds. emeralds, sapphires, rubies, garnets, and alexandrite, just to name a few. but the most valuable gem .11 most expensive gemstones in the world,the blue diamond holds the record for the most valuable price per carat at $3.93 million. this special gemstone is just as the name suggests, a .5 most precious stones,1. diamond. diamonds are by-far the most popular precious stones. 2. emerald. emeralds are a rare variety of the mineral beryl. 3. sapphire. sapphires are one .are the rarest gemstones always the most expensive?,the answer to this is quite difficult because the rarest gems are not always the most expensive, because the availability of having one is rare and once found a .