What to know when buying diamonds

by Phil Davidson

When looking for a diamond, there are several key factors to consider. These factors are commonly known as the "Four Cs" of diamonds: cut, color, clarity, and carat weight. Additionally, you may also want to consider the diamond's certification, fluorescence, and overall aesthetic appeal. Here's a breakdown of what to look for in each aspect:

  1. Cut:

    • The cut refers to how well the diamond's facets interact with light. A well-cut diamond will reflect light internally and externally, giving it sparkle and brilliance. Look for a diamond with an excellent or very good cut grade for optimal light performance.

  2. Color:

    • Diamonds are graded on a color scale from D (colorless) to Z (light yellow or brown). The closer a diamond is to colorless, the higher its value. However, subtle color differences may not be visible to the naked eye, so you can consider diamonds in the near-colorless range (G to J) for a good balance of quality and value.

  3. Clarity:

    • Clarity refers to the presence of internal flaws (inclusions) and surface blemishes (blemishes) in a diamond. The clarity scale ranges from FL (flawless) to I3 (included). Look for diamonds with a clarity grade of SI1 (slightly included) or better, as these typically have no visible flaws without magnification.

  4. Carat Weight:

    • Carat weight is a measure of a diamond's size, with one carat equal to 200 milligrams. Larger diamonds are generally more valuable, but the price per carat increases significantly at certain thresholds (e.g., 1 carat, 2 carats). Consider your budget and prioritize other factors like cut, color, and clarity alongside carat weight.

  5. Certification:

    • Ensure that the diamond comes with a reputable diamond grading report from a recognized gemological laboratory such as the Gemological Institute of America (GIA) or the American Gem Society (AGS). This report verifies the diamond's characteristics and provides assurance of its quality.

  6. Fluorescence:

    • Fluorescence is a diamond's reaction to ultraviolet (UV) light. Some diamonds exhibit fluorescence, which can affect their appearance under certain lighting conditions. It's recommended to view the diamond in various lighting environments to assess how fluorescence impacts its visual appeal.

  7. Aesthetic Appeal:

    • Ultimately, choose a diamond that appeals to your personal preferences and style. Consider factors like the diamond's shape (e.g., round, princess, emerald), its overall brilliance and sparkle, and how it complements the chosen setting for the jewelry piece.

When you are ready to purchase a diamond, we are here to talk you through the entire process and answer all your questions.
This way you know exactly what you are getting.

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