American Golden Topaz

Record: The Largest-Cut Yellow Topaz In The World The American Golden Topaz currently holds the record for the largest piece of cut yellow topaz in the world.  More importantly, it is one of the largest faceted gems of any kind.  It is sized at 22,892 carats (4.5785 kg) and has 172-facets (flat-faced cuts applied to […]

Olympic Australis

Record: The Largest And Most Valuable Opal In 1956, the largest and most valuable opal in the world was found at the Eight-Mile opal field, in the mining town of Coober Pedy in South Australia. It was discovered at a depth of 9.144 meters (29 feet,) and was named the Olympic Australis opal, due to the Olympic […]

Strawn-Wagner Diamond

Record: The Only Diamond To Receive A Perfect AGS Grade Of 0/0/0 Crater of Diamonds is a US State Park located in Pike County, Arkansas. In 1990, the most marvelous discovery ever made there, was made when Shirley Strawn found the Strawn-Wagner Diamond.  Originally, the diamond weighed 3.09 carats (620 mg) but, after it was […]