Rubies are also thought of to be a remedy for hemorrhage and inflammatory diseases. Such stones were believed to confer invulnerability to wounds. Some Burmese people believed that merely wearing the ruby was insufficient and they inserted them in their flesh so as that it becomes a part of the wearer's body.
Colour
The ideal colour for a ruby is a bright traffic signal red colour, a fluorescent red of high intensity. The colour of ruby however can vary from fiery vermilion to violet red, but because rubies are pleochroic, different colours are also found in the same stone. Even rubies with a strong pink, brown or purple tinge are considered rubies but are priced accordingly. There is however a very thin line of differentiation between a ruby of a pale pink colour and a pink sapphire both being the gem variety of corundum. There is considerable difference in opinion of even major Gem laboratories regarding the nomenclature of pink corundum as ruby or pink sapphire. The best colour has been termed as Pigeon's Blood colour' but it is of little meaning today as very few people have seen the blood of this Burmese bird.
Unlike diamond, small amounts of silk (strands of mineral Rutile) in the gemstone actually help to scatter the light within the stone. The presence of Iron tends to make the ruby more blackish red (of a dark tone); such colour is found in Thai rubies which also suffer in their colour due to the lack of silk.
Another factor governing the price is the uniformity of colour, the presence of strong zoning diminishes the value in case of ruby. It is due to the concentration of chromium in some areas of the gemstone that gives that particular area a darker colour than the surrounding.
Transparency
Even more important than colour in rubies is transparency or diaphaneity. A ruby with the best red colour which is opaque will be less valued than a similar sized transparent ruby having purplish colour. Translucent rubies are considered better than opaque material but are still considered commercial quality.
It should be noted that a ruby has a very grim chance of being flawless, unlike diamond which can be free of any inclusions. If your ruby does not have the presence of any inclusion on examination under a hand lens or loupe it is most likely to be synthetic. Also size for size, if a diamond (colorless) and ruby are having the same transparency, the value of ruby will be much more than that of diamond.
When buying ruby it should be noted that the gemstone should have a good cut with proper proportions and symmetry. A minor defect is acceptable, however it should not be such that the cutting of the gemstone has been completely compromised to retain the weight, and the appearance looks unpleasant.
Interested in Buying Rubies? We deal in only Unheated / Untreated Rubies, and all stones come with gem-lab certification. Here are the links
www.ephesusgold.com
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