The ruby belongs to the so-called "big three" colored gems, together with the sapphire and emerald. It is considered the king of precious stones and has pale to deep red color.


The ruby is a variety of corundum minerals, the second hardest mineral in the world. Chemically, it is an alumina stained with a dopant of chromium, which causes the red ruby ​​color.


The ruby ​​color is pale to deep red and rubies with brownish or violet shades may also appear. The most valued and sought-after rubies are rubies in the color of pigeon blood - this comparison comes from China, where this hue is described as a "drop of pigeon blood on a perfectly polished silver plate".


The largest centre of mining in the world is Burma, where crystals up to 5 cm large are extracted, especially in marble rocks. Rubies are usually found in the locality along with spinels and sapphires.



Red - from pink to purple-red and red to brown-red


9 - the second hardest mineral


Myanmar (Burma), Mozambique, Tanzania, Madagascar, Greenland


Did you know that...?

The ruby is the precious gem of the Leo and Scorpio zodiac signs.

The ruby is the jewel of the month of July.

The 40th wedding anniversary is the ruby anniversary.



The ruby has been considered a precious stone for centuries. Its ruby red ​​color symbolizes fire and blood, warmth and life. Passion, vitality and energy bring us life. Thanks to its beautiful red color, the ruby ​​is popular as a stone of love. The ruby increases the ability to concentrate and stimulates our mind, and it can convert negative energy to positive.




The ruby is one of the most important and precious gems in history.


The mention of rubies can be found four times in the Bible and is associated with the attribute of beauty and wisdom. Hinduists divide rubies ​​into 4 castes according to their quality and believe that their owners are provided perfect safety in life. People in India believe that rubies will ensure that their owners live in peace with their enemies. In Burma, warriors have been adorned with rubies to secure their invincibility in battle.


Rubies were also highly prized in the Middle Ages, when they became one of the most sought-after jewels to decorate the European nobility and the upper class. They believed that rubies would provide them with health, wealth, wisdom and success in love.


The healing effects of ruby


Ensures the balance of the muscular system

Improves vision

Helps remove infections

Increases the immunity of the organism against infection

Prevents bowel problems

Improves the stomach and the uterus

Encourages the digestive tract

Cleans the lymphatic system and the pancreas

Protects against skin diseases and treats them

Creates a favorable effect on blood circulation.



Rubies in the St. Wenceslas crown


The St. Wenceslas crown is considered to be the most precious part of the ensemble of Czech Crown Jewels. The precious gems that decorate it were gathered by Charles IV. He had the crown made and in 1347 he was crowned the Czech King.


The crown is 19 cm high and wide, weighs 2358.3 g and is made of gold with a purity of 21 to 22 carats. It is decorated with 96 precious stones and 20 pearls. On the crown we can find 19 red stones - from the larger stones there are 4 spinels and one ruby, the remaining fourteen small red stones are rubies.


The most striking gem on the front is a large red stone. Since the formation of the crown, it has been considered the largest ruby ​​in the world emblazoned on jewellery. According to the latest survey, however, it is a red variety of tourmaline, called rubelite.


Edwardes Ruby


The owner of a 167 carat ruby ​​was an art critic John Ruskin. The ruby is now in the collections of the National Museum of Natural Sciences in Washington.

Rosser Reeves (Star Ruby)


A ruby weighing 138.72 carat was found in Sri Lanka and named after its owner who wore it for happiness. Now the ruby ​​Rosser Reeves is kept in the National Museum of Natural Sciences in Washington.


Carmen Lucia


It is considered to be the purest ruby ​​in the world. It weighs 23.10 carats and can be seen at the National Museum of Natural History in Washington.


Ruby ring of Elizabeth Taylor


In 1968, Richard Burton donated his 8.24 carat ruby to his wife Elizabeth Taylor. In 2011, this ring was sold for $ 4.2 million.


Ruby Slippers from the Fairytale Wizard of Oz


To mark the 50th anniversary of the film Wizard of Oz, the jeweler Harry Winston made a replica of the ruby ​​shoes that Judy Garland (Dorothy) had in the film. These ruby ​​shoes were studded with 4,600 rubies.


Sources used: (2016). Ruby Gemstone | Ruby Stone – GIA. [online] Available at: [Accessed 10 Nov. 2016].