Calculating Gemstone Recommendations

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Gemstone Recommendation

Birth Details

Enter your birth information for accurate gemstone recommendation

Enhanced Analysis

Our calculator analyzes planetary positions and rasi (zodiac signs) placements, and planetary dignity to provide comprehensive gemstone recommendations.

Birth Details

2025-12-26 • 04:09:16 • 27.7172, 85.3240 • TZ 5.75

Natal Chart (D1)

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Lagna-Centric Analysis: Scorpio (Ascendant 8)

Functional Benefics

Mars

Jupiter

Moon

Functional Malefics

Venus

Mercury

Saturn

Recommended Gemstone Weight

6 Ratti (approximately 5 carats)

Based on classical formula: 1 Ratti per 12 kg body weight (minimum 4 Ratti)

Yogakarak Opportunities - Highly Recommended

✅ HIGHLY RECOMMENDED: Red Coral (Mars) is a Yogakarak planet for Scorpio Lagna and will bring exceptional success and fortune

✅ HIGHLY RECOMMENDED: Yellow Sapphire (Jupiter) is a Yogakarak planet for Scorpio Lagna and will bring exceptional success and fortune

✅ HIGHLY RECOMMENDED: Pearl (Moon) is a Yogakarak planet for Scorpio Lagna and will bring exceptional success and fortune

Critical Marak Warnings - Never Wear These

⚠️ CRITICAL: Never wear Diamond (Venus) - it's a Marak planet for Scorpio Lagna and can cause serious health issues or accidents

⚠️ CRITICAL: Marak planets can cause serious health issues, accidents, or life-threatening situations. Never wear their gemstones.

Badhak Warnings - Avoid These

⚠️ AVOID: Pearl (Moon) is a Badhak planet for Scorpio Lagna and will create persistent obstacles and delays

⚠️ WARNING: Badhak planets create persistent obstacles, delays, and unexplainable hurdles in life.

Dusthana Warnings - Houses of Suffering

⚠️ AVOID: Diamond (Venus) rules Dusthana houses for Scorpio Lagna and will amplify suffering, disease, and losses

⚠️ AVOID: Emerald (Mercury) rules Dusthana houses for Scorpio Lagna and will amplify suffering, disease, and losses

⚠️ AVOID: Blue Sapphire (Saturn) rules Dusthana houses for Scorpio Lagna and will amplify suffering, disease, and losses

⚠️ CAUTION: Dusthana lords rule houses of suffering (6th, 8th, 12th) and will amplify disease, accidents, and losses.

Gemstone Recommendations

Personalized recommendations based on your birth chart analysis

Planetary Focus

Sun

Fire

Color

Red

Primary Gemstone

Ruby

Planetary Analysis

Rasi: Sagittarius
House: 1
Dignity: neutral
Combustion: No

Benefits

• Leadership, confidence, vitality, authority, father, government
• Planet in favorable rasi - strong positive effects

Wearing Instructions

Finger: ring finger of right hand
Day: Sunday
Time: sunrise
Metal: gold

⏱ Test for 3 days before permanent wearing

Alternative Gemstones

Red SpinelRed Garnet

Rasi-based Boosters

Yellow Sapphire (Jupiter)Ruby (Sun)

Stones to Avoid

Blue SapphireMay conflict with Sun's energy

Planetary Focus

Moon

Water

Color

White

Primary Gemstone

Pearl

Planetary Analysis

Rasi: Aquarius
House: 1
Dignity: neutral
Combustion: No

Benefits

• Emotional balance, intuition, calmness, mother, mind, water
• Planet in favorable rasi - strong positive effects

Wearing Instructions

Finger: ring finger of right hand
Day: Monday
Time: moonrise
Metal: silver

⏱ Test for 3 days before permanent wearing

Alternative Gemstones

White CoralMoonstone

Rasi-based Boosters

Blue Sapphire (Saturn)Yellow Sapphire (Jupiter)

Stones to Avoid

Blue SapphireMay conflict with Moon's energy

Planetary Focus

Mars

Fire

Color

Red

Primary Gemstone

Red Coral

Planetary Analysis

Rasi: Sagittarius
House: 1
Dignity: neutral
Combustion: Yes

Benefits

• Energy, courage, strength, brother, property, land
• Planet in favorable rasi - strong positive effects

Wearing Instructions

Finger: ring finger of right hand
Day: Tuesday
Time: sunrise
Metal: gold

⏱ Test for 3 days before permanent wearing

Alternative Gemstones

Red JasperCarnelian

Rasi-based Boosters

Yellow Sapphire (Jupiter)Ruby (Sun)

Contraindications

• Planet is combust - avoid wearing gemstone

Stones to Avoid

DiamondMay conflict with Mars's energy

Planetary Focus

Mercury

Earth

Color

Green

Primary Gemstone

Emerald

Planetary Analysis

Rasi: Scorpio
House: 1
Dignity: neutral
Combustion: No

Benefits

• Intelligence, communication, business, trade, education
• Planet in favorable rasi - strong positive effects

Wearing Instructions

Finger: little finger of right hand
Day: Wednesday
Time: morning
Metal: gold

⏱ Test for 3 days before permanent wearing

Alternative Gemstones

Green JadePeridot

Rasi-based Boosters

Red Coral (Mars)Cat's Eye (Ketu)

Stones to Avoid

Yellow SapphireMay conflict with Mercury's energy

Planetary Focus

Jupiter

Ether

Color

Yellow

Primary Gemstone

Yellow Sapphire

Planetary Analysis

Rasi: Gemini
House: 1
Dignity: neutral
Combustion: No

Benefits

• Wisdom, prosperity, spirituality, children, guru, dharma
• Planet in favorable rasi - strong positive effects

Wearing Instructions

Finger: index finger of right hand
Day: Thursday
Time: sunrise
Metal: gold

⏱ Test for 3 days before permanent wearing

Alternative Gemstones

Yellow TopazCitrine

Rasi-based Boosters

Emerald (Mercury)Pearl (Moon)

Stones to Avoid

EmeraldMay conflict with Jupiter's energy

Planetary Focus

Venus

Water

Color

White

Primary Gemstone

Diamond

Planetary Analysis

Rasi: Sagittarius
House: 1
Dignity: neutral
Combustion: Yes

Benefits

• Love, luxury, artistic abilities, spouse, beauty, vehicles
• Planet in favorable rasi - strong positive effects

Wearing Instructions

Finger: ring finger of right hand
Day: Friday
Time: sunset
Metal: silver

⏱ Test for 3 days before permanent wearing

Alternative Gemstones

White SapphireCrystal

Rasi-based Boosters

Yellow Sapphire (Jupiter)Ruby (Sun)

Contraindications

• Planet is combust - avoid wearing gemstone

Stones to Avoid

Red CoralMay conflict with Venus's energy

Planetary Focus

Saturn

Air

Color

Blue

Primary Gemstone

Blue Sapphire

Planetary Analysis

Rasi: Pisces
House: 1
Dignity: neutral
Combustion: No

Benefits

• Discipline, focus, career success, longevity, karma
• Planet in favorable rasi - strong positive effects

Wearing Instructions

Finger: middle finger of right hand
Day: Saturday
Time: sunset
Metal: iron

⏱ Test for 7 days before permanent wearing

Alternative Gemstones

AmethystLapis Lazuli

Rasi-based Boosters

Yellow Sapphire (Jupiter)Pearl (Moon)

Contraindications

• Always test Blue Sapphire for 3-7 days before permanent wearing

Stones to Avoid

Blue SapphireSaturn in 1st house may cause health issues

RubyMay conflict with Saturn's energy

PearlMay conflict with Saturn's energy

Important Guidelines

Always consult a qualified astrologer before committing to a gemstone.

Test every gemstone for 3‑7 days before permanent wearing.

Choose only untreated, natural gemstones with lab certification.

Wear gemstones on the recommended day and hora (planetary hour).

Match gemstones with benefic planets based on Lagna—not Moon sign.

Avoid gemstones of Marak, Badhak, or strong malefic planets.

Gemstone Quality Guidelines

100% Natural and Untreated: Never use heat-treated, dyed, or synthetic stones

Eye-Clean Quality: Choose stones with minimal inclusions and flaws

Proper Weight: Use 1 Ratti per 12 kg of body weight (minimum 4 Ratti)

Authentic Source: Purchase from reputable gem dealers with certification

Skin Contact: Ensure constant skin contact through proper setting

Testing Period: Always test for 3-7 days before permanent wearing

Mantra Charging: Chant appropriate planetary mantras while wearing

Gemstone Testing Protocols

Intuitive Testing: Hold the stone and meditate - positive feelings indicate compatibility

Sleep Test: Place stone under pillow for 3 nights - auspicious dreams indicate suitability

Trial Wear: Tape stone to appropriate finger for 3-7 days and observe effects

Energy Monitoring: Watch for changes in mood, energy, clarity, and external events

Feedback Collection: Ask family/friends to observe any changes in your behavior

Physical Symptoms: Stop immediately if headaches, fatigue, or irritability occur

Removal Protocol: If negative effects occur, remove stone and cleanse with salt water

💡 TIP: Always test gemstones for compatibility before permanent wearing. Your intuition and body's response are the best indicators of suitability.

Vedic Gemology Principles

Lagna-Centric Approach: All gemstone recommendations are based on your Ascendant (Lagna), not Moon sign or Sun sign, as gemstones work through the physical body.

Anukul-vad Philosophy: We strengthen only functionally benefic planets (your allies) and never malefic planets (your enemies).

Marak & Badhak Avoidance: Critical to avoid gemstones of death-inflicting (Marak) and obstruction-causing (Badhak) planets.

Quality Over Quantity: A small, high-quality natural stone is far superior to a large, treated stone.

Introduction: Bridging Science and Tradition

This guide seeks to illuminate the sacred space where two distinct yet complementary streams of wisdom converge: the empirical science of gemology and the profound traditions of Vedic astrology. Drawing from the timeless principles presented in the text Ratna Vigyan, this document provides a bridge between the measurable, physical world of gemstones and their role as conduits of cosmic energy. Our purpose is to offer a clear, comparative analysis of the nine primary gemstones, known collectively as the Navaratna, exploring how their physical characteristics resonate with their astrological influences. By examining their scientific properties alongside their planetary and zodiacal associations, this guide provides a holistic perspective for practitioners and devotees alike, revealing the intricate dance between celestial bodies and their terrestrial counterparts.

Foundational Principles

Key Gemological Properties

The identification, classification, and valuation of gemstones rely on a set of consistent and measurable physical properties. These characteristics are intrinsic to a stone's chemical composition and crystalline structure, providing the objective criteria necessary for gemological analysis.

Key properties include: Chemical Composition, Color, Hardness (Mohs Scale), Specific Gravity, Refractive Index, Crystal System, and Lustre.

The Astrological Framework of the Navagraha

In Vedic astrology, the cosmos is understood through the influence of nine primary celestial bodies, known as the Navagraha or "nine planets." This system includes the Sun, the Moon, five classical planets (Mars, Mercury, Jupiter, Venus, Saturn), and two lunar nodes, Rahu and Ketu. Each of these celestial entities is believed to govern specific aspects of life and corresponds directly to one of the nine primary gemstones, which act as conduits for their planetary energies.

Personal Planets (Atma Karaka)

Ruby (Manik)

Ruling Planet: Sun (Surya)

Ruby, the gemstone of the Sun (Surya), is often referred to as the king of gems. It is a variety of the mineral Corundum, prized for its deep red color and exceptional hardness, which is second only to Diamond.

Physical Properties

Chemical Group:

Corundum

Color:

Red

Hardness (Mohs):

Specific Gravity:

4.1

Crystal System:

Hexagonal

Astrological Associations

Ruling Planet:

Sun (Surya)

Associated Zodiac Signs:

Leo

Recommended Metal:

Gold

Minimum Recommended Weight:

3 Ratti

Duration of Effect:

4 Years

Associated Professions:

Politicians, Officers working with the public, High-ranking Judicial and Military Officers

Pearl (Moti)

Ruling Planet: Moon (Chandra)

Pearl is the gemstone of the Moon (Chandra). Unlike other gems mined from the earth, the Pearl has an organic origin, formed within the soft tissue of a living mollusk. It is a gentle but potent gem known for its calming influence.

Physical Properties

Chemical Composition:

Calcium Carbonate (82-86%), Conchiolin (10-14%)

Color:

White, Pink, Yellow, Black, Rose, Matt

Hardness (Mohs):

2.50 - 3.50

Specific Gravity:

2.40 - 2.78

Astrological Associations

Ruling Planet:

Moon (Chandra)

Associated Zodiac Signs:

Cancer

Recommended Metal:

Silver

Minimum Recommended Weight:

2, 4, 6, or 11 Ratti

Duration of Effect:

2 Years and 2 Months

Associated Professions:

Artists, Singers

Coral (Munga)

Ruling Planet: Mars (Mangal)

Representing the planet Mars (Mangal), Coral is, like the pearl, an organic gem. It is the skeletal remains of marine polyps and is valued for its vibrant red to orange hues. It is considered a stone of energy and vitality.

Physical Properties

Origin:

Marine Organism (Corallium Rubrum)

Color:

Vermilion, White, Black, Pinkish

Hardness (Mohs):

3.5

Specific Gravity:

2.6 - 2.71

Refractive Index:

1.486 - 1.658

Astrological Associations

Ruling Planet:

Mars (Mangal)

Associated Zodiac Signs:

Aries, Scorpio

Recommended Metal:

Gold

Minimum Recommended Weight:

6 to 8 Ratti

Duration of Effect:

3 Years and 3 Days

Associated Professions:

Politicians, Officers working with the public, Iron Merchants, Lawyers, Professors

Intellectual & Fortunate Planets (Jnana & Bhagyakaraka)

Emerald (Panna)

Ruling Planet: Mercury (Budh)

Emerald is the gemstone of the planet Mercury (Budh). A precious variety of the Beryl mineral family, it is revered for its brilliant green color, which is caused by trace amounts of chromium. It is associated with intellect, communication, and wisdom.

Physical Properties

Chemical Group:

Beryl

Color:

Green

Hardness (Mohs):

7.5 - 8

Specific Gravity:

2.75 - 2.80

Refractive Index:

1.56 - 1.59

Crystal System:

Hexagonal

Astrological Associations

Ruling Planet:

Mercury (Budh)

Associated Zodiac Signs:

Gemini, Virgo

Recommended Metal:

Gold or Bronze

Minimum Recommended Weight:

3 to 6 Ratti

Duration of Effect:

3 Years

Associated Professions:

Doctors in hospitals, Actors, Employees, Writers, Prison workers, Bank officials, Commerce officials, Mathematicians, Tax officials

Topaz (Pukhraj)

Ruling Planet: Jupiter (Brihaspati)

Yellow Topaz, or Pukhraj, is the primary gemstone for the benevolent planet Jupiter (Brihaspati). It is known for its clarity and golden hues and is associated with knowledge, prosperity, and good fortune.

Physical Properties

Chemical Composition:

Aluminum Silicate with Fluorine

Color:

Yellow

Hardness (Mohs):

Specific Gravity:

3.50 - 3.53

Refractive Index:

1.61 - 1.62

Crystal System:

Rhombic

Astrological Associations

Ruling Planet:

Jupiter (Brihaspati)

Associated Zodiac Signs:

Sagittarius, Pisces

Recommended Metal:

Silver

Minimum Recommended Weight:

3 Ratti minimum; 4, 6, 11, or 15 Ratti also recommended

Duration of Effect:

4 Years

Associated Professions:

Lawyers, Professors

Diamond (Heera)

Ruling Planet: Venus (Shukra)

Diamond is the gemstone of the planet Venus (Shukra), the harbinger of love, beauty, and luxury. Composed of pure crystalline carbon, it is the hardest known natural substance and is celebrated for its unmatched brilliance and fire.

Physical Properties

Chemical Composition:

Crystalline Carbon

Color:

Primarily colorless

Hardness (Mohs):

Specific Gravity:

3.5

Crystal System:

Cubic

Astrological Associations

Ruling Planet:

Venus (Shukra)

Associated Zodiac Signs:

Taurus, Libra

Recommended Metal:

Panchdhatu

Minimum Recommended Weight:

1.5 Ratti

Duration of Effect:

7 Years

Associated Professions:

Film Producers, Directors, Distributors, Artists, Singers

Karmic & Spiritual Planets (Karma & Moksha Karaka)

Sapphire (Neelam)

Ruling Planet: Saturn (Shani)

Blue Sapphire, or Neelam, is the powerful gemstone of the planet Saturn (Shani). Like Ruby, it is a variety of Corundum. It is a stone of great repute, associated with discipline, justice, and the ability to overcome significant obstacles.

Physical Properties

Chemical Group:

Corundum

Color:

Blue

Hardness (Mohs):

Specific Gravity:

3.99 - 4.06

Refractive Index:

1.76 - 1.77

Crystal System:

Hexagonal

Astrological Associations

Ruling Planet:

Saturn (Shani)

Associated Zodiac Signs:

Capricorn, Aquarius

Recommended Metal:

Iron

Minimum Recommended Weight:

4 Ratti

Duration of Effect:

5 Years

Associated Professions:

Royal Officers, Iron Merchants

Hessonite (Gomed)

Ruling Planet: Rahu

Hessonite, referred to as Zircon in the source text, is the gemstone assigned to Rahu, the northern lunar node. Its distinctive color is often described as resembling cow's urine. It is believed to counteract the unpredictable and disruptive influences of Rahu.

Physical Properties

Chemical Composition:

Zirconium Silicate (Zr(SiO₄)); comprised of Zirconium Oxide (ZrO₂) 67.2% and Silicon Oxide (SiO₂) 32.8%

Color:

Reddish-brown (like cow's urine)

Hardness (Mohs):

6.5 - 7.5

Specific Gravity:

4.0 - 4.9

Lustre:

Adamantine

Astrological Associations

Ruling Planet:

Rahu

Recommended Metal:

Panchdhatu

Minimum Recommended Weight:

4, 6, 11, or 13 Ratti

Cat's Eye (Lehsuniya)

Ruling Planet: Ketu

Cat's Eye is the designated gemstone for Ketu, the southern lunar node. Its name is derived from the unique optical phenomenon it displays, known as chatoyancy, which creates a bright, moving streak of light reminiscent of a cat's eye. This guide focuses on the Chrysoberyl variety, which is considered the most potent.

Physical Properties

Chemical Composition:

Beryllium Aluminate (BeAl₂O₄)

Color:

Hardness (Mohs):

8.5

Specific Gravity:

3.71

Refractive Index:

1.76

Astrological Associations

Ruling Planet:

Ketu

Recommended Metal:

Panchdhatu or Bronze (in equal parts)

Minimum Recommended Weight:

4 to 7 Ratti

Duration of Effect:

3 Years

Comparative Astrological Summary Table

Gemstone	Ruling Planet	Zodiac Signs	Associated Professions
Ruby (Manik)	Sun (Surya)	Leo	Politicians, Officers working with the public, High-ranking Judicial and Military Officers
Pearl (Moti)	Moon (Chandra)	Cancer	Artists, Singers
Coral (Munga)	Mars (Mangal)	Aries, Scorpio	Politicians, Officers working with the public, Iron Merchants, Lawyers, Professors
Emerald (Panna)	Mercury (Budh)	Gemini, Virgo	Doctors in hospitals, Actors, Employees, Writers, Prison workers, Bank officials, Commerce officials, Mathematicians, Tax officials
Topaz (Pukhraj)	Jupiter (Brihaspati)	Sagittarius, Pisces	Lawyers, Professors
Diamond (Heera)	Venus (Shukra)	Taurus, Libra	Film Producers, Directors, Distributors, Artists, Singers
Sapphire (Neelam)	Saturn (Shani)	Capricorn, Aquarius	Royal Officers, Iron Merchants
Hessonite (Gomed)	Rahu	Not specified	Not specified
Cat's Eye (Lehsuniya)	Ketu	Not specified	Not specified

Conclusion

This guide has systematically explored the nine primary gemstones through the twin lenses of science and tradition, revealing their dual nature as objects of both precise gemological inquiry and profound astrological significance. From the crystalline structure of a diamond to its association with Venus, we observe a sacred convergence of material form and celestial energy. To truly appreciate these stones is to understand that they are not inert minerals, but crystalline conduits that channel the harmony of the macrocosm—the planets and stars—into the microcosm of human life. A complete understanding, whether for gemological study or astrological practice, is achieved only when we embrace both their physical properties and their timeless celestial connections.