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D Colour Diamonds
When you're looking for rare, absolutely colourless beauty, shop the selection of D colour diamonds at Blue Nile. As the highest colour grade of diamonds available, GIA D colour diamonds are the best money can buy. They'll deliver a crisp, icy look that's captivating in any diamond shape or carat weight.
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FAQs about D Colour Diamonds
At Blue Nile, you'll find colour grades that range from K (faintly coloured) to D (colourless). Lower colour grades exist, but L–Z colour grade diamonds aren't available at Blue Nile.
Diamonds with a D colour grade are absolutely colourless and the rarest of all colour grades.
Colour, cut, clarity, and carat—the 4Cs—all affect a diamond's price. A D-colour diamond will cost much more than a K-colour diamond. When working within a budget, try prioritizing cut over colour to maximise brilliance.
The larger the diamond, the easier you'll notice the colour. For this reason, we recommend shopping for an H colour grade or higher if your diamond is one carat or larger.
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