The Complete Guide to Stud Earring Sizes – From Tiny to Huge

Stud earrings come in many different sizes: from very small to big. For example, diamonds are smaller than pearls. Therefore, in this article we compare all dimensions. Stud earrings are the most common type of earrings. They are also called “post earrings” or “studs.” They are small and simple, and they come in a variety of colors.

Find the right size stud earring for your occasion and budget

In general, the bigger the stud, the more expensive it is. Studs can be made of any material – gold, silver, stainless steel, etc. The size is not determined by what material they’re made from.

In this article we look at:

  1. Diamond stud earring size in MM and inches
  2. Examples of studs on ear
  3. Style tips in combination with face shape
  4. How to wear studs in the best way

Diamond stud earring size in MM and inches

Diamond carat weight Stud earring size in MM Stud earring size in inches
0.05 ct 1.8 mm 0.07 inch
0.10 ct 2.2 mm 0.08 inch
0.20 ct 3 mm 0.12 inch
0.25 ct 3.2 mm 0.13 inch
0.33 ct 3.5 mm 0.14 inch
0.40 ct 3.7 mm 0.15 inch
0.50 ct 4 mm 0.16 inch
0.67 ct 4.2 mm 0.17 inch
0.75 ct 4.5 mm 0.18 inch
0.85 ct 5 mm 0.19 inch
1.00 ct 5.2 mm 0.20 inch
1.25 ct 5.4 mm 0.21 inch
1.40 ct 5.8 mm 0.22 inch
1.50 ct 5.9 mm 0.23 inch
1.65 ct 6.1 mm 0.24 inch
1.75 ct 6.3 mm 0.25 inch
2.00 ct 6.5 mm 0.26 inch
2.50 ct 6.8 mm 0.27 inch
3.00 ct 7.3 mm 0.29 inch
4.00 ct 8 mm 0.32 inch

Examples of studs on ear

To give you a better idea of the stud size, we have given different sizes to the same model. The stated size in millimeters refers to the diameter. The diamond studs are very similar to the pearl stud sizes on ears, so you can use this as a reference as well.

Style tips in combination with face shape

Most people with a round face avoid wearing hoops and big studs, because they will enhance the rounds of your face. Therefore, this earring type fits very well on narrow faces. Still, the model fits well with many styles and faces. That also makes it a popular item in every accessory box. If you have a fuller face shape, it may be more interesting to choose a smaller size.

The best way to wear studs

In this section we will discover how you can find the perfect pair of stud earrings for your style and budget.

1. When the focus should be on your clothes

If you are looking for something with more of a sparkle, then it is best to go with diamond studs. Because tiny studs with diamonds are perfect for someone who wants something small and elegant. For example, if you are wearing striking clothes where the focus should be.

2. When you go to work

Furthermore, studs are a great option for those who want to wear earrings without the worry of them falling out. So ideal to wear during work. They are also a good option if you have sensitive ears, because the weight is relatively low.

3. If you want to wear unique designs

When you think of studs earring sizes, you quickly think of small buttons or diamonds. However, nothing could be further from the truth. For example, the stud is also the basis for the drop and statement earrings.

Statement earring

How much is a pair of diamond earrings?

This varies depending on the size, quality, and style of the earring that you choose. We also call this the 4 C’s of a diamond. You can learn all about it on the official website of GIA that issues the certificates. So for a pair of diamond stud earrings, the cost will typically range from $100 to $1,000.