A number of gemstones have gained fame, either because of their size and beauty or because of the people who owned or wore them. A list of famous gemstones follows (apart Diamonds) :
Aquamarines
The Giant Aquamarine
Emeralds
The Chalk Emerald
The Duke of Devonshire Emerald
The Gachala Emerald
The Mackay Emerald
Opals
The Andamooka Opal, presented to Queen Elizabeth II, also known as the Queen’s Opal
The Aurora Australis Opal, considered to be the most valuable black opal
The Black Prince Opal, originally known as Harlequin Prince
The Empress of Australia Opal
The Fire Queen Opal
The Flame Queen Opal
The Flamingo Opal
The Halley’s Comet Opal, the world’s largest uncut black opal
The Jupiter Five Opal
The Olympic Australis Opal, reported to be the largest and most valuable gem opal ever found
The Pride of Australia Opal, also known as the Red Emperor Opal
The Red Admiral Opal, also known as the Butterfly Stone
Pearl
Arco Valley Pearl
The Pearl of Lao Tzu
Satlada – A seven-stringed pearl necklace of the Nizams
Ruby
The DeLong Star Ruby
The Hixon Ruby Crystal
The Midnight Star Ruby
The Neelanjali Ruby
The Rajaratna Ruby
The Rosser Reeves Ruby
Sapphires
The Logan sapphire
The Queen Marie of Romania Sapphire
The Ruspoli Sapphire
The Star of Asia Star Sapphire
The Star of Bombay, given to Mary Pickford by Douglas Fairbanks, Sr
The Star of India, the largest and most famous star sapphire in the world
The Stuart Sapphire
The Black Star of Queensland, with a weight of 733 carats
Spinels
The Black Prince’s Ruby, actually a spinel mounted on the Imperial State Crown
The Samarian Spinel, the world’s largest spinel
The Timur Ruby, believed to be a ruby until 1851
Topaz
The American Golden Topaz, the largest cut yellow topaz weighing nearly 23000 carats (4.6 kg).