Where Is the Crown of a Ring?  | The Diamond Reserve

Where Is the Crown of a Ring? 

If you’re shopping for a diamond engagement ring, you’re likely to hear a bunch of terms thrown around, like girdle, table, pavilion, and crown. Unless you know a bit about gemstones and diamonds, these words may be new to you. Let’s break down what the crown — one of the most important aspects of a diamond — is and how to easily identify it.

What Part of the Diamond Is the Crown?

The crown is the term for the top section of the diamond above its widest point, containing the largest facet of the stone. In a typical ring setting, the crown of the diamond is the most visible part, which is why it’s important to be able to identify it while ring shopping. 

Now that you know what the crown is, here are some other diamond terms to know:

  • Girdle: The girdle is the widest point of the stone when you’re looking at it from the side. Anything above the girdle is considered the crown and anything below the girdle is considered the pavilion.
  • Pavilion: If the girdle marks the start of the crown, then it also marks the end of the pavilion, which is the lower section of the diamond.
  • Culet: A culet is a small facet at the bottom or tip of the diamond. Not every gemstone will have a culet, particularly larger stones. Culets can prevent chipping and may be visible if you look down through the top of the diamond and see a small hole-like circle.
  • Facet: Facets are the flat sides of a diamond that vary by cut. A typical brilliant round-cut diamond has 58 facets, while an emerald-cut stone may have less.
  • Table: This is the largest, flat facet at the top of the stone and is considered part of the crown.
  • Depth: The depth refers to the total height of the diamond, measuring from the culet to the table.

The crown of a gemstone shouldn’t be confused with a crown setting, also called a Rex claw setting. This is a common setting design where the stone of a ring is set in claw-like prongs that can also look like a crown.

What Is the Crown Angle of a Diamond?

Once you know what the crown is, you can start to learn about the crown angle. Since the girdle is the widest point of the diamond, it’s bordered by facets that angle inwards in both the crown and pavilion. If the girdle is considered the X-axis of the diamond, then the crown angle is taken by measuring the angle of the crown’s facets between the girdle and the table.

If that math problem is too confusing, don’t worry about it. Your jeweler can tell you the crown angle of the stone you’re considering. 

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