Bahia Emerald

Record: The Largest Single Shard Of Emerald Ever Discovered Currently, the largest single shard of emerald ever discovered is the Bahia Emerald, which consists of a huge amount of emerald crystal cylinders, embedded in a host rock that weighs the equivalent of 1.9 million carats. Recently, the Bahia Emerald has received an appraisal as high […]

Neelanjali Ruby

Record: The Largest Double-Star Ruby In The World Some rubies show a twelve-point asterism, or “star,” on its surface. It is a rare occurrence so, when jewels are found with an asterism, they become much more valuable.  The double-star ruby occurs when the asterism is seen from both sides of the jewel, which is even more rare […]

 Golden Jubilee Diamond

Record: The Largest-Faceted Diamond Ever Cut In 1985, a worker at the Premier mine of South Africa discovered a large brown diamond the size of 755.5 carats (151 g.)  It was one of the largest diamonds ever unearthed, but was initially considered something of an ugly duckling. It even had the nickname of “Unnamed Brown.” The […]

Smithsonian Alexandrite

Record: The World’s Largest-Faceted Alexandrite The Smithsonian Alexandrite was unearthed in Sri Lanka, and holds a cushion mixed cut.  Typical of most alexandrite, the Smithsonian jewel is red and green in color, and weighs 65.08 carats.  It is currently one of the rarest, and most valuable, jewels in the world. Its status as the world’s […]

De Beers Diamond

Record: The Largest Missing Diamond In The World In 1888, the De Beers Diamond was discovered in the Kimberly mines in South Africa.  It was one of the largest diamonds ever found, and weighed 428 carats.  After the diamond was cut, it became a magnificent 234.65 carat gemstone.  The color of the diamond is pale […]

Graff Pink Diamond

Record: The Most Expensive Gem Ever Sold At Auction Some of the most valuable gems in the world are colored diamonds that have been graded (D) and flawless. One such diamond was discovered in the 1950s, when American jeweler Harry Winston purchased a rare pink diamond from an unknown collector.  The diamond was 24.78 carats in size, […]