Its name comes from “ruber”, Latin for red. Ruby is the traditional birthstone for July and is synonymous with the 40th wedding anniversary. The world's most expensive ruby is the Sunrise Ruby. It is a 25.6 carat Burmese "pigeon blood" ruby mounted by Cartier in a ring. It was sold for £19.5million in 2015 in Geneva.


Followed by Zambia, Colombia is the world’s largest producer of gem quality emeralds today. Emeralds, like all coloured gemstones, are graded using four basic parameters–the four Cs of Connoisseurship: Colour, Cut, Clarity and Carat weight. Colour is by far the most important criterion. However, in the grading of emeralds, clarity is considered a close second. A fine stone should be well saturated and bright.


We here at UJT adore the world’s famous diamond cluster ring set with a deep blue sapphire that adorns the finger of Catherine, Duchess of Cambridge. Enquire about similar rings from our Royal Collection. Sapphire from Greek ‘blue stone’ is the birthstone for September. In some religions, the blue colour of the sapphire represents the heavens.


Tanzanite, a birthstone for December, is usually a reddish brown in its rough state, requiring artificial heat treatment to bring out the blue violet of the stone. The blue gem was named by Tiffany & Co. after Tanzania, the country in which it was discovered in 1967. Tiffany thought that "blue zoisite" (which might be pronounced like "blue suicide") wouldn't sell well.


Pink Tourmaline is an October birthstone and is referred to as the 'gemstone of the rainbow'. Tourmalines are gems with an incomparable variety of colours. The reason, according to an old Egyptian legend, is that the tourmaline, on its long journey up from the centre of the Earth, passed over a rainbow. In doing so, it assumed all the colours of the rainbow.


From Latin “Water of the sea” is the birthstone of March. Its pale, cool colour beautifully complements spring and summer wardrobes. The serene greenish blue colour of aquamarine is said to cool the temper, allowing the wearer to remain calm and levelheaded. This gemstone is mined mainly in Brazil, but also is found in Nigeria, Madagascar, Zambia, Pakistan, and Mozambique. The largest cut aquamarine gem is the Dom Pedro aquamarine and weighs 45kg.