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Diamond guide
Discover the world of diamonds with our expert guide. Learn everything about diamond shapes, the 4C's, certification, and buying tips to find the perfect diamond.
Choosing the perfect diamond can feel like the most challenging step, but our diamond guides are here to walk you through every detail of finding the sparkle that’s just right for you.
The 4C's
A diamond is graded by four parameters called the 4C's. Together they determine the look and price of a diamond. Read on to learn more about the 4 C's.
Cut
Determine how light is reflected. This is the most critical parameter to have in mind.
Color
Describes the diamond’s color. The scale is letters between D-Z.
Carat
The weight unit for diamonds. One carat equals 200 milligrams.
Clarity
Describes the absence or presence of imperfections, their position, size, and origin.
Lab grown or natural diamond?
Both lab grown and natural diamonds are real diamonds, but they differ in origin, value, and rarity. Discover the key differences below and find a diamond that suits your desires.
Lab grown diamond facts
Low second-hand value
Lower price (20-50%)
Made by humans
Modified after preferences
Possibility of unique colors and shapes
Real diamond
Natural diamond facts
Great investment
Higher price
Made by nature
Unique in its kind
Limited and costly for specific requests
Real diamond
Certificate
Certified diamonds are accompanied by a certificate. The institutions and kinds are many; let us deep dive and learn more about diamond certificates.
Diamond shape
Diamonds come in a variety of shapes, each with its own brilliance and character. Discover popular diamond shapes like round, oval, princess, emerald, and more in this guide.
Fluorescence
Fluorescence in diamonds is a debated topic in the diamond community and may come up during your search. Learn what diamond fluorescence is, how it affects appearance, and what to consider when choosing your diamond.
Conflict free
Conflict-free diamonds ensure ethical sourcing and transparency. Discover what conflict-free diamonds are, how the Kimberley Process prevents blood diamonds, and what to consider when choosing an ethically sourced diamond.
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Colored diamonds
Discover the world of colored diamonds in our guide. Learn about rare hues like pink, blue, red, and green, how their value is determined by rarity, and what to consider when choosing a Fancy Color Diamond.
Lab grown vs. natural diamonds
Learn the key differences between lab grown and natural diamonds, including appearance, value, durability, and authenticity. Discover how they compare and what to consider when choosing between a natural or synthetic diamond.
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Polish of a diamond
Diamond polish affects a diamond’s surface quality and brilliance. While not part of the 4Cs, it plays a key role in light reflection. Learn what diamond polish is, how it’s graded, and why it matters.
8 ways to make your diamond look bigger
Are you looking for an engagement ring and want the diamond to look as big as possible? How do you make a diamond look bigger? We have the recommendations for you.
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Natural diamonds form over millions of years in the earth and often hold a higher resale value. Lab-grown diamonds, created in controlled environments, offer a more affordable option with the same visual appeal. Only specialized tools can distinguish them.
Yes. If you’ve purchased a diamond from VANBRUUN, you have the option to upgrade. When choosing a new diamond of at least double the value, we will buy back your original diamond at 100% of its purchase price.
Your preferences and budget matter most. Engagement rings often feature eye-catching diamonds, while earrings can have slightly lower clarity or color. We offer diamonds with a minimum of SI clarity to ensure quality. Cut is the most important factor, as it affects brilliance the most.
All round diamonds from 0.30 carats and all fancy-shaped diamonds from 0.50 carats come with a certificate from a leading gemological institute.
No, as we don’t work with large stock. Instead, we source diamonds individually on demand. The database shows what our suppliers currently offer, which means availability can change at any time. If your chosen diamond is no longer available, our experts will provide personalized diamond recommendations to help you find a similar or even better alternative.