
Gemstone Calculator: Which Gemstone Should I Wear?
Enter your date, time and place of birth for gemstones traditionally linked to the planets in your chart, such as ruby for the Sun or pearl for the Moon. This follows the navaratna correspondence, not medical advice. Confirm a strong stone before wearing it.
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How gemstone recommendations work in Jyotish
In classical Vedic astrology, gemstones (ratna) are often prescribed to strengthen benefic planets or harmonize challenging ones, but only after the chart is judged holistically. Our engine uses your full birth data to compute sidereal positions, a Shadbala-style strength snapshot (rupas vs thresholds), and then suggests stones with clear roles (for example lagna lord support vs calming a strong functional malefic).
Why accurate birth time and place matter
The ascendant (lagna) and Moon sign shift quickly with time and longitude. A few minutes can change house lordship logic, which in turn changes which planet is treated as a primary benefactor for gemstone support. Always use the most reliable birth certificate or hospital record you have.
Safety and ethics
Gemstones are not a substitute for medical, legal, or financial advice. If a planet is a functional malefic, amplifying it with a stone can be discouraged; rudraksha or mantra-based remedies are often preferred instead, see our Rudraksha calculator for parallel guidance from the same chart read.
Rudraksha is another traditional remedy; see the rudraksha calculator or the rudraksha and gemstone report.
Frequently asked questions
Which gemstone should I wear?
Enter your birth details and the calculator suggests stones linked to the planets in your chart. Traditional practice is to confirm with an astrologer before wearing one, especially strong stones such as blue sapphire.
Which gemstone belongs to which planet?
Classically: ruby (Sun), pearl (Moon), red coral (Mars), emerald (Mercury), yellow sapphire (Jupiter), diamond (Venus), blue sapphire (Saturn), hessonite (Rahu) and cat's eye (Ketu).
Can I choose a gemstone by date of birth alone?
Date alone gives only a rough guess. The calculator uses your full birth chart, so time and place also matter.
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