Diploma in Gemology


Duration: 4 Months


There is a point where identifying gems becomes an art. The final determination is made by human observation, combined with knowledge and experience, rather than measurements taken with precision instruments. This is especially true when it comes to separating natural from synthetic gems. Most measurable physical and optical properties of a synthetic ruby will be identical to those of its natural counterpart. Distinguishing natural and synthetic stones involves observing inclusions in gems through a microscope. In some cases, this is simple and straightforward. In other cases, this requires judgment based on experience.

Rough & Polish:

The process of cutting and polishing gemstones is known as lapidary. It is a difficult and tedious process, since gemstone materials tend to be exceptionally hard, with harder than steel. Gemstones can also be quite valuable, with high quality ruby and sapphire selling for thousands of dollars per carat. So working with expensive material that can be easily damaged is stressful as well.



Treatment refers to any process other than cutting and polishing that improves the appearance of the color or clarity, or that are used to alter the appearance (color, clarity or phenomena), durability, value, or supply of a gemstone. Today, most gems are treated to improve appearance. Treatment processes can consist of heat, irradiation, and dyeing, oiling, or other processes. Detection of these treatments may be easy to nearly impossible. Treatments should always be disclosed to the consumer. The following are the most common treatments that are observed in the gem trade.


All Mines Identification:

Mining is renowned for being one of the most hazardous sectors in the world due to its complex work environment. Workers in underground coal mines are prone to several risk conditions during their work which may cause loss of life or serious injury which has a direct and indirect cost for employees and employers. Accidents in underground mines can often have serious catastrophic consequences. Over the years, the Directorate General of Mines Safety (DGMS), mining companies, research institutes and academics have made constant efforts to prevent accidents in Indian mines by proposing solutions, such as additional regulations, improved training, advanced technology and reliable equipment.

Site Visit for Identification & Treatment:

          You will regularly encounter in the marketplace gems that have been treated to change their appearance. A topic that often comes up is whether a particular gemstone is or isn’t treated. Natural gem crystals are transformed from their rough crystallographic form into the shapes, outlines, and degrees of polish in the gemstones that we appreciate and wear in jewellery. These steps are and have always been the routine procedures used for manufacturing gemstones. Beyond traditional cutting and polishing, however, gems can often be treated in many ways. There will also be Site Visit for gems identification, site visit to Khambat , gujrat for observing gemstones mines etc.


Practical theory & relation with Astrology:

Gems are precious which is absorbing a specific coloured light and hence they are seen in various colours. There are mainly 9 gems they are called navratna in Indian Vedic astrology. In Indian astrology there horoscope science, gems are connected to the 9 planets depending on their colour and type of energy.  Gemology is a science of using gems for curing disease and for prosperity in life.

Practical Approach

  • Use of diamond scales for weighing rough diamonds.
  • How to use diamond sieves.
  • Pricing Information.
  • How to sort a packet of rough diamonds in a tray.
  • At a Glance to judge, how good or bad is a diamond packet.
  • Understanding a single packet of stones of rough diamonds by the use of light and optivisor.
  • Mixed Parcel : Practical


Gems are used in Eastern astrology to avert the negative influence of various planets or to increase their positive effects. The use of gems has been mentioned in the Vedic literature—the Brihat Samhita, Bhava Prakash, Ayurveda Prakash, Guruda Purana and the Rasa Ratna Samuchaya.

The gem therapy described in this book is based on the Vedic (Indian) or sidereal system of astrology.Each sign of the zodiac is ruled by a planet, and each planet gives off a cosmic vibration and rules, or is related to, certain gemstones. The gems absorb or reflect the planets’ vibration, or rays. Wearing the proper gem can increase a planet’s positive effect on the wearer because the gem acts as a filter that allows only positive vibrations to have influence.


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