Gemstone Recommendations
Gemology is the science dealing with natural and artificial gemstone materials. A natural gemstone is a mineral, stone, or organic matter that can be cut and polished or otherwise treated for use as jewelry. A precious gemstone has beauty, durability, and rarity, whereas a semiprecious gemstone has only one or two of these qualities.
A gem is a gemstone that has been cut and polished. Diamond, corundum (ruby and sapphire), beryl (emerald and aquamarine), topaz, and opal are generally classed as precious stones and all other gemstones are categorized as semiprecious. Gemstones occur in most major geological environments and are further categorized as mineral gemstones and organic gemstones. Mineral gemstones are more durable than organic gemstones.
Gems are the storehouse of plenty of energy that helps human beings to overcome various hurdles that will be faced in our everyday life. Gemstones are prescribed in two different forms one according to the month commonly known as Birthstones and other according to the horoscope (Kundali).
Gemstones Chart
Gemology According to Planets
The Science of Gemstone astrology is based on the fact that cosmic forces of planets rule the human body and life. The cosmic arrangement of our birth chart defines how much of a help we will get from fortune in the course of our lives. Our birth chart and the position of planets make our physical, intellectual, emotional, spiritual, and even karmic self and are the key deciding factor of the gemstone one should wear.
The birth chart is made up of some genuine dominant planets and some that are actually weak. Hence Gemstones are used to enhance a particular weak planet thereby removing the malefic effect.
Gemstone should be recommended on the basis of the positioning of nine planets, their chakras, and placement of ascendant and trine on the birth-chart of a person. An astrologer thoroughly evaluates the positioning of each and every planet during the birth of a person and recommends gemstones.
There are nine gemstones in correspondence with nine planets and each of them carries special characteristics to offer to the ascendants of their respective planets. It is always advisable to wear the gemstone by consulting an astrologer and follow all necessary rituals to achieve maximum benefit. As each gemstone corresponds to respective planet one can wear multiple gemstones by verifying the compatibility as wearing wrong gemstones will yield awful results
Gemstones are prized not only for its exotic color and physical properties, but it is highly acknowledged for its persisting astrological powers. Each gemstone has its own lifespan and generally, they have positive power for 3 to 4 years.
The below table lists 9 planets along with their vital information.
| Planet Name | Suitable Gemstone | Incompatible Gemstones | Activation of Gemstone | Minimum Weight Carat | Finger to wear | Suitable Metal | Suitable day and time |
| Sun | Ruby | Diamond Blue Sapphire | Dipping the ring in milk, honey, and pure water | 3 to 6 | The ring finger of the right hand | Gold or Copper | Sunday morning between 5 am to 6 am |
| Moon | Pearl | Hessonite Cat’s Eye | Dipping the ring in gangajal or cow milk | 5 carats and more | The little finger of the right hand | Silver or gold | Monday morning between 5 am to 6 am |
| Mars | Red Coral | Emerald Diamond Blue Sapphire Cat’s Eye Hessonite | Dipping the ring in gangajal or cow milk | 5 to 9 | The ring finger of the right hand | Gold, Silver or Copper | Tuesday morning between 11 am to 1 PM |
| Mercury | Emerald | Pearl Red Coral | Dipping the ring in gangajal or un-boiled cow milk | 3 to 6 | The little finger of the right hand | Gold | Wednesday morning between 5 am to 7 am |
| Jupiter | Yellow Sapphire | Emerald Diamond Blue Sapphire | Dipping the ring in honey, ganagajal or milk | 3 to 6 | Index finger fright hand | Gold | Thursday Morning between 5 am to 7 am |
| Saturn | Blue Sapphire | Ruby Pearl Red Coral | Dipping the ring in Ganga Jal and milk | 3 to 6 | The middle finger of the right hand | Gold | Saturday Morning between 5 am to 7 am |
| Venus | Diamond | Ruby Pearl Yellow Sapphire | Dipping the ring in honey, ganagajal or milk | 0.4 to 1 | The little or middle finger of the right hand | Gold or Silver | Friday morning between 5 am to 7 am |
| Rahu | Hessonite/Gomed | Ruby Pearl | Dipping the ring in honey, ganagajal or milk | 3 to 6 | The middle finger of the right hand | Silver | Shukla Paksha Saturday morning between 5 am to 7 am |
| Ketu | Cat’s eye Gemstone | Ruby Pearl | Dipping the ring in honey, ganagajal or milk | 3 to 6 | The middle finger of the right hand | Silver | Tuesday evening or Thursday evening |
Sun
Generally, Ruby stone is seen in dark red color and sometimes in light pink also. This gemstone is recommended for those where the sun is not good on their birth chart. Ruby stone will help to cure diseases related to bone, stomach, gallbladder, and eye.
Moon
Pearl gemstone helps to overcome depression thereby diverting mind towards positivity. Mainly the weak moon in horoscope proves inauspicious for students as it diverts the mind from studies leading to poor performance in academics. Wearing pearl stone will help in increasing concentration thus achieving favorable results.
Mars
Red coral stone store the positive energy emitted by planet Mars within it and facilitate in curing some common diseases such as indigestion, fever, smallpox, acidity, etc. Italian corals are mostly recommended to obtain the best results
Mercury
Emerald has excellent therapeutic powers and hence helps to enhance blood circulation and control diseases like asthma, diarrhea, ulcers, and mumbling. It helps in controlling insomnia thereby increasing positivity. It is also treated as a favorable stone for students since it increases their memory power and confidence level. Zambian and Colombian emerald gives a good outcome
Jupiter
Yellow Sapphire conveys benefits related to health, wealth, wisdom, monitory gain, long life, name, and fame. They also possess supreme importance in the life of girls as they assist in finding the right life partner.
Saturn
Blue Sapphire is an expensive gemstone connected to planet Saturn and considered the most effective and fast-acting gemstone. One has to be very careful while wearing this as it will not suit all. This gemstone will help in having good wealth, luck, opportunity, and career growth. It is believed that the blue sapphire of Ceylon will give finest results.
Venus
Venus is the nearest planet to the earth and signifies spirituality, truthful, self-respect, courage, love, and ethics. The elegant diamond is recommended for planet Venus. It is being said that wearing defected diamond will have a negative impact on the individual thereby inviting new troubles.
Rahu
Also known as the shadow planet plays a very important role in one’s life and it is mainly responsible for delays in the work we execute. Rahu signifies the north node of the moon and the lower half of the snake. Wearing Hessonite/gomed helps to speed up work, shield from evils thereby increasing an individual’s energy.
Ketu
This planet represents the south node of the moon and the upper half of the snake. It signifies Spirituality, peace of mind, wealth, happiness and prosperity. Cat Eye Stone is recommended for those who have the wrong placement of Ketu in their birth chart. This stone will significantly protect from scandal and help to get a good reputation.
Gemstone According to Zodiac Sign
In a horoscope, there are 12 houses that represent all the twelve zodiac signs. The below table lists the gemstone for each zodiac sign and also the other combinations that can be opted.
| Zodiac Sign | Gemstone | Combinations of Gemstones |
| Aries | Coral | Coral, Yellow Sapphire, and Ruby Coral, Yellow Sapphire Ruby, Yellow Sapphire |
| Taurus | Diamond | Diamond, Emerald, Blue Sapphire Diamond, Blue Sapphire Diamond, Emerald Emerald, Blue Sapphire |
| Gemini | Emerald | Emerald, Diamond, Blue Sapphire Emerald, Diamond Emerald, Blue Sapphire Diamond, Blue Sapphire |
| Cancer | Pearl | Pearl, Coral, Yellow Sapphire Pearl, Coral Pearl, Yellow Sapphire Coral, Yellow Sapphire |
| Leo | Ruby | Ruby, Yellow Sapphire, Coral Ruby, Yellow Sapphire Ruby, Coral Yellow Sapphire, Coral |
| Virgo | Emerald | Emerald, Blue Sapphire, Diamond Emerald, Blue Sapphire Emerald, Diamond Blue Sapphire, Diamond |
| Libra | Diamond | Diamond, Blue Sapphire, Emerald Diamond, Blue Sapphire Diamond, Emerald Blue Sapphire, Emerald |
| Scorpio | Coral | Coral, Yellow Sapphire, Pearl Coral, Yellow Sapphire Coral, Pearl Yellow Sapphire, Pearl |
| Sagittarius | Yellow Sapphire | Yellow Sapphire, Coral, Ruby Yellow Sapphire, Coral Yellow Sapphire, Ruby Coral, Ruby |
| Capricorn | Blue Sapphire | Blue Sapphire, Diamond, Emerald Blue Sapphire, Diamond Blue Sapphire, Emerald Diamond, Emerald |
| Aquarius | Blue Sapphire | Blue Sapphire, Emerald, Diamond Blue Sapphire, Emerald Blue Sapphire, Diamond Emerald, Diamond |
| Pisces | Yellow Sapphire | Yellow Sapphire, Pearl, Coral Yellow Sapphire, Pearl Yellow Sapphire, Coral Pearl, Coral |
Birthstones According to Month
Below table lists the gemstone according to the month
| Month of Birth | Gemstone | Color | Month of Birth | Gemstone | Color |
| January | Garnet | Dark red | July | Ruby | Red |
| February | Amethyst | Purple | August | Peridot, Sardonyx, Spinel | Pale green Brown and White |
| March | Aquamarine or Bloodstone | Pale blue | September | Sapphire | Pale to dark blue Deep blue |
| April | Diamond or Rock Crystal | Colorless | October | Opal, Tourmaline | multicolored |
| May | Emerald | Bright green Pale green | November | Topaz, Citrine | Yellow |
| June | Pearl, Alexandrite, and Moonstone | Cream | December | Tanzanite, Turquoise, and Zircon | Sky blue |
Celebrities Wearing Various Gemstones
| Gemstone Image | Widely Available In | Famous People Who Wear Them |
Coral | The Mediterranean Sea |   |
Diamond | South Africa |   |
Emerald | Columbia |  |
Pearl | Japan |  |
Ruby | Macedonia |  |
Yellow Saphire | Tanzania, Madagascar, Thailand, and Australia |  |
Blue Saphire | Kashmir, Burma and Sri Lanka |  |
Disclaimer: There are many systems to choose a birthstone, with Sheelaa M Bajaj’s experience and knowledge, she has her own combination of tried and tested selection process which has given excellent results, nearly 100%.