It all depends on your interest. Furthermore, it also depends how well you are able to source your gemstones (purchasing) and your ability to network well for sales. Gemology is definitely a great career option. You need to be able to test the gemstones yourself practically visually as well as with required equipments.
There are no pre-qualifications to study gemology, however, those who are successful in the field are generally detail-oriented, have good hand-eye coordination and finger dexterity, and possess good interpersonal skills. They must also be trustworthy since they are often working with valuable pieces of jewelry.
A graduate gemologist is the most prestigious degree you can obtain in the field of gemology. It gives you the knowledge and credentials to work in any aspect of the business. A gemologist may have received training in gemology, but did not necessarily earn a graduate degree.
Beginning gemologist salaries generally start around $30,000 per year, but you can earn six figures in the industry depending on your experience and chosen area of expertise.
Someone who has obtained a certification in gemology should have paperwork documenting their qualifications. If they do not have their certificate displayed in the store or their office, you can ask to see documentation of their certification.
If you think you have found a diamond, take it to a certified gemologist to confirm it is a real diamond. You can check with your local fine jewelry store to see if they have someone qualified to make this determination.
Look to see if there is a local gem and mineral society in your area. These groups often have classes, lapidary equipment and rock-hounding/mineral collecting field trips.