Do You Need Formal Training to Sell Diamonds?

    Picture this:

    You have just inherited a chest of precious metals and gems from your grandparents. You have a few gold coins, some rubies, and plenty of diamonds; more than you need!

    Sure, you could keep them for your kids or grandkids and decide to sell them. So, do you require formal training if you decide to sell diamonds?

    Keep reading to learn and see if you do and what knowledge you need.

    Understanding Diamond Characteristics

    Before entering the business, you need to learn a bit about diamonds. Thankfully, most of this information is available online.

    The basics of diamond knowledge are based on the “Four Cs”: carat weight, cut, color, and clarity. A trained professional can assess these factors accurately, helping buyers and sellers like you determine the diamond’s quality and value. In a nutshell, these C’s are:

    • Carat Weight: This is how you weigh diamonds accurately. Training helps you with taking accurate weight measurements.
    • Cut: A diamond’s cut significantly influences its brilliance and overall appearance. Training helps you to learn how to evaluate the quality of the cut properly. You will learn factors like symmetry and polish.
    • Color: Diamonds come in various hues depending on their source, but the colorless kinds are usually the most valuable. Training enables you to identify and grade a diamond’s color correctly.
    • Clarity: Clarity refers to internal or external flaws, inclusions, and blemishes. A trained eye can spot these imperfections and assess their impact on the diamond’s value.

    Legal Requirements

    You may also need to learn about the legal requirements of selling diamonds, no matter the source.

    Some countries may have special legal requirements or regulations related to diamond sales. These may be based on the weight and other constraints, such as the type of diamond.

    Formal training or a simple class on these rules can help you navigate these legal aspects.

    Industry Standards and Practices

    The diamond industry has established standards and practices that govern the trade. These rules enable fair trade, safeguarding both the seller and buyer.

    Knowing these standards and practices offers insights into these industry norms, ensuring you conduct business professionally and ethically. Adhering to industry standards can also help build trust with customers and suppliers.

    Advanced Knowledge

    Beyond the basics, formal training can provide advanced knowledge about fancy color diamonds, diamond treatments, and the latest developments in the industry. You may learn how to clean, cut, and even design jewelry.

    Staying updated with the latest trends and innovations can give you a competitive edge.

    Gemological Certification

    If you want to go the extra mile and make this a long-term business, you may take formal training programs that offer gemological certification upon completion. Holding a recognized gemological certification can boost your reputation as a diamond seller and reassure customers of your expertise.


    While there may be instances of self-taught diamond sellers who have succeeded in the trade, formal training is highly recommended for anyone considering a career in diamond sales. The diamond industry is complex, with nuances that require in-depth knowledge and ethical considerations. Whether you plan to work in a retail store, online, or as an independent diamond broker, formal training can equip you with the skills, knowledge, and credibility needed to excel in this competitive field.

    Ultimately, investing in formal training to sell diamonds is an investment in your career and the confidence and trust of your customers.