నీలమ is the gemstone of శని. It is classically recommended for వృషభ, తులా, మకర, కుంభ lagna. It should be avoided by మేష, మిథున, కర్క, సింహ, కన్యా, వృశ్చిక, ధను, మీన lagna. Every other lagna needs the chart read first — the stone amplifies the graha either way.
Also known as: నీలమ రత్న · శని రత్న
A planetary gem is held to absorb and transmit the radiation of its graha, which is why it is the strongest intervention in the classical set — and the only one that can make things worse. It amplifies whatever the planet is already doing in your chart, so it is prescribed against a reading, never against a wish.
Blue Sapphire is worn for Saturn on a Saturday, and is the one stone the corpus flags as capable of causing real harm if worn wrongly.
Blue Sapphire is Saturn’s stone and the most powerful of the nine — the one with the strongest reputation for working quickly, in either direction.
| Lagna | Verdict |
|---|---|
| మేష | Avoid |
| వృషభ | Recommended |
| మిథున | Avoid |
| కర్క | Avoid |
| సింహ | Avoid |
| కన్యా | Avoid |
| తులా | Recommended |
| వృశ్చిక | Avoid |
| ధను | Avoid |
| మకర | Recommended |
| కుంభ | Recommended |
| మీన | Avoid |
It is also the most reactive gem in the set and must never be worn without verifying that Saturn is a functional benefic for your lagna. Worn wrongly it can do real harm. The traditional trial period — wearing it briefly before committing — exists precisely because of this stone.
నీలా స్పినల · ఇండికోలాఇట · ఆయోలాఇట · కటైలా
నీలమ should be avoided by మేష, మిథున, కర్క, సింహ, కన్యా, వృశ్చిక, ధను, మీన lagna, where the graha is a functional malefic and the stone amplifies exactly what you were trying to correct. Every lagna not listed as recommended needs the chart read first.
The accepted substitutes are నీలా స్పినల, ఇండికోలాఇట, ఆయోలాఇట, కటైలా. They carry the same caution as the primary stone: the substitute is cheaper, but it is the graha and not the price that decides whether it should be worn.
The mantra, the weekday fast and the charity are safe for anyone — they address శని without amplifying it. నీలమ is not: a planetary gem strengthens whatever the graha is already doing, so it needs a chart reading first.