What are G color diamonds? | Rare Carat

Rian here - we’ve written these color grade articles for you to get the nitty gritty on each diamond color grade. You can also get the big picture: view our page on the diamond color scale or read more posts in diamonds 101 about specific diamond colors. Enjoy!

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The Details About G Color Diamonds

Although G color diamonds are lower down the color scale, they still face up white! Have a look at these beauties below and you’ll see what I mean.

As you can see, when the G is compared to the D on a side view you can see the difference in color… but looking at the stones face up there is barely any difference at all. And don’t forget those images are magnified, so any slight difference you can see now will disappear in real life. Why on earth would you buy the ‘extra feature’ of a higher color grade, when you can go with a G and still have some spare change to play with?

Colorless and Near-Colorless Diamonds

The truth is that the only major difference between a colorless diamond (D-F) and a near colorless (G), is the price tag. You could be talking about a difference of 10-15% in the price, with zero noticeable difference when that rock is on that finger.

This is not to say that all G’s are created equal though! For example, a G color as stated by ‘GIA’ diamond grading laboratories is most definitely a G, but a G color as stated by a hypothetical grading lab may not be a true G at all, but an I color or even lower.

Cut is also a huge factor in how much color can be seen in a stone. A well-cut G (and even lower) can disguise any potential color that might be seen within the stone, so make sure you are only considering excellent cut diamonds.

Bottom line folks, if you want a colorless diamond without re-mortgaging your condo, G is the color for you.  

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Dr. Rian Mulcahy
Dr. Rian Mulcahy
Rian is officially a Diamond PhD - just ping us if you’d like to read her fascinating 200-page thesis, titled Facets of Value: An Investigation into the Formation of Worth in the Diamond Market. She has consulted various firms all along the pipeline, from the rough diamond market to the recycled diamond industry. She holds an MA in Globalisation and Development from University College Cork and a PhD in the Sociology of Diamond Valuation from the London School of Economics.