1, 2, or 3 Carat Diamond Studs: How Each Size Looks on the Ear

Diamond studs are sold by total carat weight — the combined weight of the pair. The size that's right for you comes down to the look you want and how the studs sit on your ear. Here's how our three most popular sizes compare, with the actual measurements.

1 Carat Total (about 5 mm each)

The everyday classic. At roughly 5 mm per stud, a 1 carat total pair reads as elegant and refined rather than flashy — noticeable up close, but comfortable to wear from the office to dinner without a second thought. This is the most popular “first real diamond studs” size and the easiest to wear daily.

See them on the ear: 1 Carat Lab-Grown Diamond Studs.

2 Carat Total (about 6.5 mm each)

The sweet spot. At around 6.5 mm per stud, 2 carat total studs have real presence — they catch the light across a room — while still looking balanced on most ears. For many shoppers this is the size that feels like a genuine statement without tipping into “too much,” and it's where lab-grown value is especially compelling.

See them on the ear: 2 Carat Lab-Grown Diamond Studs.

3 Carat Total (about 7.3 mm each)

The statement. At roughly 7.3 mm per stud, 3 carat total studs are unmistakable — bold, luminous, and impossible to miss. A size like this would be a major investment in a mined diamond, which is exactly why lab-grown makes it attainable. If you love a confident, head-turning sparkle, this is it.

See them on the ear: 3 Carat Lab-Grown Diamond Studs.

A few sizing tips

• Ear size matters: the same carat weight looks a touch larger on a smaller earlobe and a touch more subtle on a larger one.
• Setting affects the look: a martini setting sits closer to the ear and shows more stone face-up, while a basket setting lifts the diamond slightly.
• When in doubt, size up: most people who hesitate between two sizes are happier with the larger pair — and with lab-grown, the step up costs far less than you'd expect.

Every pair is crafted in solid 14K gold with IGI-certified lab-grown diamonds. Need help choosing? Get in touch and we'll help you pick the perfect size.