Diamond Studs Size Guide

Find your favorite diamond stud size

Compare six sizes of round diamond studs with printable cutouts. Cut out a matching pair and hold them at your earlobes to see which size you love.

Includes 0.25, 0.50, 0.75, 1.00, 2.00, and 3.00 carats per diamond, with millimeter measurements and the total carat weight for each pair.

Understanding carat weight. The sizes in this guide are per diamond. Our stud earrings are listed by the combined weight of the pair (ctw): 0.50 ct each = 1.00 ctw per pair.

Open the Studs Guide (PDF)

1-page PDF. Guide links open in a new tab.

Print, check, and compare

Print and check the scale.Print the PDF on US Letter paper (8.5 × 11 inches) at Actual Size / 100%. Turn off “Fit,” “Shrink,” or “Scale to Page.” Measure the square on your printed guide: both sides must be exactly 1 inch (25.4 mm). If they are not, adjust your print settings and print again.
Cut out a pair and compare.Cut along the outside edge of each diamond, then hold the matching cutouts at your earlobes in a mirror to compare the different sizes.

Use the PDF for printing. The preview below is for browsing and will not display at actual size on your screen.

Compare six stud sizes

Each row shows two round diamonds, with the weight per diamond and the total weight of the pair. Click the page to open the printable PDF.

Diamond Studs Size Guide with six pairs of round diamonds, from 0.25 to 3.00 carats each, labeled with per-diamond and total-pair weights

These cutouts show approximate diamond sizes. Actual measurements vary with cutting proportions, and the earring setting can affect the finished look.