Gemstones like diamonds and sapphires are well-known for their value and beauty, but there are other gemstones that are even more rare and expensive. Here are some of the world’s most expensive gemstones:

• Pink Star Diamond: This rare diamond, which weighs in at 59.60 carats, sold for a record-breaking $71.2 million in 2017, making it the most expensive gemstone ever sold at auction.
• Jadeite: Jadeite is a form of jade that is found mainly in Myanmar. The highest-quality jadeite is known as “imperial jade” and can sell for millions of dollars per carat.
• Red Beryl: Also known as “bixbite,” red beryl is an extremely rare gemstone that is found only in a few locations in the United States. It is valued for its vibrant red color and can sell for up to $10,000 per carat.
• Musgravite: Musgravite is a rare gemstone that was first discovered in Australia in 1967. It is now found mainly in Greenland and Tanzania and can sell for up to $35,000 per carat.
• Alexandrite: Alexandrite is a rare variety of chrysoberyl that changes color depending on the light source. It is valued for its unique properties and can sell for up to $70,000 per carat for the finest specimens.

While these gemstones are out of reach for most people, they represent the pinnacle of beauty, rarity, and value in the world of gemstones.