Lore: Gemstones as star sapphire or star ruby behave in such a manner is a phenomenon caused by what is known as an asterism (or star) Asterism is an optical effect related to rubies and sapphires. Quite a few nice ones come from Madagascar as well. Green sapphire comes in many shades with the better stones generally coming from Sri Lanka and Australia. Fancy sapphire is a term used to describe any sapphire that is not blue. amethyst (7), citrine (7), garnet (6.5-7.5), and tanzanite (6.5-7).Star Sapphire (and Star Ruby) are sometimes classified in the more general category of Fancy Sapphire. Emeralds rank 7.5-8 which is still more durable than some of the other popular gemstones e.g. Having a higher Mohs rating means the gemstone is more durable, will scratch less easily, and be a stone with higher longevity. A Diamond is the hardest stone, ranking 10 on the scale. Hardness refers to a stones ability to resist scratches.
Sapphires and rubies are among the hardest gemstones, ranking 9 out of 10 on Mohs hardness scale. However, the general rule is that the big 3 are the most expensive and valuable gemstones.Īnother factor that plays into the cost is their durability. There are exceptions to this, as other rare gemstones with unusual colours or exceptional clarity can be more expensive. Emeralds, Sapphires and Rubies are the rarest of all gems and therefore usually the most expensive. So, why are Emeralds, Sapphires and Rubies more sought after?Įmeralds, Sapphires, and Rubies (the “big 3”) are generally considered precious gemstones whereas most other gemstones are considered semi-precious. Precious gemstones are more sought after, and more expensive than semi-precious and there are several reasons for this. These would include the, Black Prince Ruby and the Burmese Ruby Tiara for Queen Elizabeth. Overtime, many large rubies were mined and acquired by royal families around the world. People also believed that if you wore a ruby in a ring on the left hand or in a brooch on the left side, it would give you a magical ability to live in peace among your enemies. According to 13th-century medical literature from India, rubies were also believed to cure digestive disorders and bring health, wealth, wisdom, and love. In Burma (a ruby source since at least 600 AD-now called Myanmar), warriors possessed rubies to make them invincible in battle. In most markets, pure red colours are the most expensive and rubies with overtones of orange and purple are less valued. The finest ruby has a pure, vibrant red to slightly purplish red colour.
The most significant factor affecting a Ruby’s colour is its colour. Rubies have been treasured by both ancient and modern cultures as a precious gemstone known for its beautiful red hue and passionate sparkle.
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