List of gemstones

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.

Alexandrites

• Smithsonian museums' Alexandrite, the largest cut alexandrite weighing 65.08 carats.

Aquamarines

A birthstone.

• The Dom Pedro - The world's largest cut and polished aquamarine. Housed in the permanent collection of the Houston Museum of Natural Science

Diamonds

See List of famous diamonds

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
• La Peregrina
• Satlada – A seven-stringed pearl necklace of the Nizams. Most pearls are white but can be other colors as well.
• The Pearl of Lao Tzu - Philippines
• The Pearl of Puerto - Largest pearl

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 Stuart Sapphire
• The Black Star of Queensland
• The The Star of Adam, with a weight of 1,404.49 carats (280.898 g) The largest star sapphire in the world.

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, hence its name

Topaz

• The American Golden Topaz, the largest cut yellow topaz, weighing nearly 23000 carats (4.6 kg).
• The Chalmers Topaz, a 5,899.5-carat (1.17990 kg) cut topaz.