The Pink Star diamond is the most valuable gemstone in the world as of 2015, with an estimated value of $83,187,381 and the highest possible color and clarity rating. This diamond weighs 59.6 carats, or 11.92 grams, which is about $1,395,761 per carat.Know More
Once known as the "Steinmetz Pink," the Pink Star diamond is the largest known vivid pink diamond in the world. This incredibly rare diamond was mined in 1999 by De Beers in Africa, and once weighed 132.5 carats in the rough. Over two years, this gemstone was carefully cut and polished by Steinmetz Diamonds.
Originally the Pink Star was estimated to sell for more than $60 million, but it sold for $83.2 million to Isaac Wolf after he outbid three others. However, Isaac Wolf defaulted on the purchase, and Sotheby's retains it in its inventory.Learn more about Precious Metals & Gems
The weight of a gemstone is measured by carats. The definition of a carat has changed over time, but the international standard for the weight of 1 carat is 200 milligrams, according to Zales Diamond Store. The diameter of a 1-carat diamond is about 6.5 millimeters.Full Answer >
The popularity and perceived value of diamonds come from what is likely the most successful advertising campaign in global history, which was waged by the DeBeers company. Diamonds are not a tradeable investment like gold and silver. Instead, they gained their status through psychological manipulation.Full Answer >
The monetary value of jade varies depending on several factors, but jade-adorned jewels can sell for prices between $1,000 and $100,000, and this precious gemstone can fetch prices of up to $3,000 per ounce. The monetary value of jade depends on the characteristics of the stone, such as color and quality, as well as availability and supply in various areas of the world.Full Answer >
A diamond's value is determined by cut, color, clarity and carat weight, so the mounting's metal, such as white or yellow gold, may influence the color and appearance of the stone, but not its value. Diamonds are graded and valued before mounting.Full Answer >