Buyer's Guide
Round Diamond: A Complete Guide to Choosing the Ideal One
The round diamond is the most classic and usually offers the most brilliance . Here I explain how to choose a well-cut one, and what color and clarity are best.
What is a round diamond?
The round diamond, also known as a round brilliant , is the most studied cut in the history of jewelry. Its geometry is designed to reflect the maximum amount of light possible.
In a round diamond, the cut is more important than the color or clarity.
- Engagement rings
- Stud earrings
- Necklaces and solitaires
Why choose a round diamond?
It's the one that shines the most.
Its structure reflects light upwards, generating more sparkles than any other cut.
It never goes out of style
It's timeless. A round diamond looks good today and will look good 30 years from now.
It goes with everything.
It works solo, halo, three stones, or modern mounts.
The cut: the most important thing
In round diamonds, the cut is paramount. Whenever possible, choose Cut: Excellent .
Recommended color
- G – H : whites in sight, excellent price-quality ratio
- D – F : maximum whiteness
Recommended Clarity
- VS1 – VS2 : ideal
- SI1 : It works if it's eye-clean
Natural diamond vs. lab-grown diamond
- Natural : traditional and rare
- Laboratory : more size for the same budget
Ideal mounts
- Lonely
- Halo
- Three stones
- Minimalist
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Is the round diamond the most brilliant?
Yes. Its design maximizes light return.
What's more important, the cut or the color?
In the round, the cut is the most important thing.
Is SI1 good clarity?
Yes, as long as the diamond looks clean to the naked eye.