Collection: Diamond Studs, Sized for Real Life

From subtle everyday sparkle to signature brilliance find the size that fits how you wear jewelry.

Compare sizes on ear

Lab-grown diamond stud earrings in multiple carat sizes displayed on marble surface, 14K gold settings, high-brilliance round cut diamonds.

Ready to choose your size?

Shop lab-grown diamond studs from 1/4–4 CTW in 14K White or Yellow Gold.

Shop Diamond Studs
DIAMOND SIZE

Size, simplified.

See how each diamond size wears, without guessing.

Diamond studs on ear: 1/4 CTW
1/4 CTW0.125ct each
3.1mm x 3.1mm

Everyday minimal

Small, refined, effortless
Diamond studs on ear: 1/2 CTWSelected
1/2 CTW0.25ct each
4.1mm x 4.1mm

Balanced sparkle

Noticeable, still classic
Diamond studs on ear: 3/4 CTW
3/4 CTW0.375ct each
4.6mm x 4.6mm

Statement sparkle

Elevated bold presence
Diamond studs on ear: 1 CTW
1 CTW0.50ct each
5.2mm x 5.2mm

Bold brilliance

Confident presence, still refined
Diamond studs on ear: 1.5 CTW
1.5 CTW0.75ct each
5.8mm x 5.8mm

Elevated everyday

Noticeable, confident, still effortless
Diamond studs on ear: 2 CTW
2 CTW1.0ct each
6.5mm x 6.5mm

Confident sparkle

Eye-catching, polished, unmistakable
Diamond studs on ear: 3 CTW
3 CTW1.5ct each
7.4mm x 7.4mm

High-impact elegance

Strong presence with refined balance
Diamond studs on ear: 4 CTW
4 CTW2.0ct each
8.2mm x 8.2mm

Signature presence

Maximum impact, still thoughtfully designed

Shown with the same ear angle and setting, only the diamond size changes.

Diamond quality

Chosen for brilliance, balance, and everyday wear

Every pair is hand-selected by Marc Robinson Jewelers
no bulk sourcing, no shortcuts.

Stone Type
Lab-Grown Diamond
Clarity
VS2+
Color
Near-Colorless (G+)
Shape
Round Brilliant
Total Carat Weight
1/4 - 4 CTW
Cut & Finish
Optimized for Sparkle

Every diamond is selected by Marc Robinson Jewelers to meet our standards for brilliance, balance, and long-term wear, not mass-graded, never rushed.

✔ 20+ Years as a Trusted Jeweler
✔ VS2+ / G+ Diamonds Standard
✔ Free Insured Shipping & Easy Returns