What Does "Investment Grade" Mean?

For the first time ever, Pinnacle has made it possible for investors of all kinds to get in on a market that’s historically been controlled and accessible only to an elite group of very wealthy clientele. We’ve worked tirelessly to create a network of trust with some of the world’s largest suppliers of investment grade diamonds, and we’ll give you all the tools necessary to tap into this bustling industry.

The reason we use the term investment grade is because we only deal with the highest-quality, loose diamonds. With our strict set of standards, and the security of certification, your diamond investment isn’t limited to a niche market, and isn’t reliant on passing trends.

The quality of the diamonds themselves maximizes their profit potential, because a diamond’s quality is directly related to its value in the marketplace.


What to look for when buying an investment diamond:

It is a known fact that the purchase of an automobile or a family home is one that generally involves quite a few different factors that have to be considered. While there are many people who may not realize this, the very same is also true for making an important purchase like buying diamond jewellery.

It’s important for a person to know exactly what to look for before they rush right in and buy the first piece of diamond jewellery that catches their attention. Following the helpful tips below provides peace of mind in knowing the diamond jewellery selected is of the highest grade quality obtainable.

Become familiar with the 4 C’s that are intended to educate a person on the necessary steps required to select diamonds that have an overall good level of quality.

  • Clarity – A majority of the diamonds that are formed deep down in the earth are found with what is referred to as birthmarks on them. Some of these appear externally and are called blemishes and then there are some that appear internally, which are called inclusions.

    A person can tell the quality of a diamond by the clarity grade it receives. The GIA Diamond Grading System supplies grades from flawless diamonds, to those receiving a 13. Naturally, no clarity blemishes are rare indeed and they also result in a much higher cost.

    How are diamonds graded for clarity?

    Diamonds are graded for clarity under 10x loupe magnification. Grades range from Flawless (diamonds which are completely free of blemishes and inclusions), to Included 3 (diamonds which possess large, heavy blemishes and inclusions that are visible to the naked eye).

    Flawless: No internal or external flaws. Extremely rare.

    Internally Flawless: no internal flaws, but some surface flaws. Very rare.

    Very Very Slightly Included (two grades). Minute inclusions very difficult to detect under 10x magnification by a trained gemologist.

    Very Slightly Included (two grades). Minute inclusions seen only with difficulty under 10x magnification.

    Slightly Included (two grades). Minute inclusions more easily detected under 10x magnification.

    REMEMBER: For grades F through SI, a diamond's clarity grade has an impact on the diamond's value, not on the unmagnified diamond's appearance.

    Included (three grades). Inclusions visible under 10x magnification AS WELL AS to the human eye. We do not recommend buying diamonds in any of these grades.


  • Color – While it may be hard for the untrained eye to spot various colors in a diamond, they are usually there and should be checked by a trusted professional. Depending on the color or lack thereof, diamonds receive a letter grade for the color tones that are contained.

  • The expensive grade of being colorless receives a D. The letter grade a diamond can receive goes all the way to the letter Z, which is used to represent a brownish to light-yellow color tone.


  • Cut – Diamond jewellery is also graded on the specific cuts of the diamonds contained. The cut can be graded from a level of poor to excellent and generally includes such cuts as pears, round brilliants, marquise, hearts and various others

    GIA Diamond Cut Grades.....

  • Carat – A carat is used to describe how much a diamond weighs. The higher the carat, the higher the weight and price of the diamond. Out of each of the other C’s, the carat is by far the most intuitive.

    A good comparison to use which describes the weight of one carat would be a paperclip, which is also about 0.2 grams.



Demand a grading report with diamond purchases – A grading report from such laboratories like GIA is one of the best ways to prove the quality, value and authenticity of diamond jewelry. Online Jewelry stores like 77 diamonds offer these grading reports. This is especially beneficial when it has been purchased for investment purposes.

Diamond jewelry is an ideal investment that keeps its value and can supply a significant amount of financial gain when the above factors are adhered to, all in all, it definitely can be an interesting “investment + luxury” combination.

For more info about the grading of a diamond contact us!...


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