EAR
Diamond Stud Earring Size Visualizer: See Any Carat on Your Ear
See exactly how big a lab-grown diamond stud looks on your ear. Slide from 0.1 to 3 carats and the diamond scales to its true millimetre width against a real ear, so you know what 0.5ct, 1ct or 2ct studs actually look like before you buy.
Drag the two dots onto the left and right edges of your earlobe. Then drag the diamond onto your ear and enter the real width between the dots.
Carat weight — 1.00 ct
Stone width6.4 mm
About the size ofa pencil eraser
Dot A: 0%, 0% · Dot B: 0%, 0% · Diamond: 0%, 0%
Each earring is shown as the face-up round diamond, seen straight on. Actual appearance can vary slightly with setting style.
Shop lab-grown diamond stud earringsHow big is each carat? Diamond stud earring mm size chart
| Carat (per earring) | Diameter (mm) | Looks like |
|---|---|---|
| 0.1 | 3.0 | sesame seed |
| 0.25 | 4.1 | peppercorn |
| 0.5 | 5.1 | peppercorn (large) |
| 0.75 | 5.8 | chickpea |
| 1.0 | 6.4 | pencil eraser |
| 1.5 | 7.4 | small pea |
| 2.0 | 8.1 | pea |
| 3.0 | 9.3 | large pea |
Sizes follow independent IGI grading standards. Verify a report. IGI certificates are issued and emailed before dispatch for stones 1ct and above. Studs under 1ct are graded in-house against our MISI™ standard.
Diamond stud earring size — frequently asked questions
How big is a 1 carat diamond stud earring?
A 1 carat round lab-grown diamond stud measures about 6.4 mm across per earring — roughly the width of a pencil eraser. Worn as a pair this reads as a clear, noticeable size on most ears without looking heavy.
What carat stud earrings look natural for everyday wear?
Most people find 0.3ct to 0.7ct per earring the most versatile for daily wear, since the stone is present without dominating the earlobe. Use the slider above to compare sizes directly.
Does carat weight mean the same size for both earrings?
MadisonDia stud earrings are sold as matched pairs, so both stones are matched for carat weight, color, and clarity to appear identical side by side.
Are diamond stud earrings under 1 carat certified?
Every MadisonDia diamond is D color, VVS clarity, 3EX cut, graded in-house against our MISI™ standard. For stones 1ct and above we also issue an individual IGI certificate, emailed before dispatch. Studs under 1ct do not carry an individual IGI certificate.