Every diamond painting kit gives you a choice between round and square diamonds. The shape affects how the finished piece looks, how long it takes to place, and how forgiving the process is for a first-time painter.

What actually separates round from square drills
The shape of the diamond changes both how it sits on the canvas and how it looks once the piece is finished.
| Feature | Round Drills | Square Drills |
|---|---|---|
| Shape | Cylindrical with a rounded top | Flat-faceted, flush edges |
| Finished Look | Slightly textured, small gaps visible between diamonds | Seamless, mosaic-like coverage with no gaps |
| Placement Precision | Forgiving of small angle differences | Requires careful, deliberate alignment |
| Speed to Place | Generally faster | Generally slower, more precision needed |
| Best For | Beginners, first projects, kids | Experienced painters, detailed designs, display pieces |
Why square drills show fewer gaps
The flat edges of square drills sit directly against each other, while round drills naturally leave a small gap at every corner where four diamonds meet.
Round Drills
Small visible gaps, textured finishSquare Drills
Flush edges, seamless mosaic finishFour questions to help you decide
Is this your first diamond painting?
Round drills are more forgiving of small errors, making them the easier starting point for a first project.
Will this piece be framed and displayed up close?
Square drills give a smoother, more polished finish that holds up well under close inspection.
How much time do you want to spend?
Round drills place faster on average, so they're the better choice if speed matters more than a flush finish.
Is this kit for a child?
The forgiving placement of round drills makes them the easier and less frustrating choice for younger painters.
Neither shape is objectively better
It comes down to priorities, not quality
Round and square drills are not a case of one being higher quality than the other. Round drills trade a flush finish for speed and forgiveness, which is exactly what makes them a strong choice for beginners, kids, and anyone who wants to finish a project without obsessing over exact placement. Square drills trade that forgiveness for a denser, gapless finish that rewards patience and a steadier hand.
Every kit lets you choose the drill shape at checkout, so the decision comes down to matching the drill type to the project and the painter, not picking a universally "better" option.
Quick questions
What is the difference between round and square diamond painting drills?
Round drills are cylindrical with a rounded top and sit slightly apart, making them more forgiving of small errors. Square drills are flat-faceted and sit flush together with no visible gaps, producing a smoother finish that requires more precise placement.
Which drill type is easier for beginners, round or square?
Round drills are generally easier for beginners since they're more forgiving of small angle differences, while square drills reward the steadier technique that tends to come with practice.
Do square drills look better than round drills?
Square drills give a flush, seamless finish many painters consider more polished, while round drills leave small gaps for a more textured look. Which looks better comes down to personal preference.
Does drill shape affect how long a diamond painting takes to finish?
Yes, generally. Square drills take slightly longer to place accurately since they need careful alignment, while round drills are faster since small angle differences are less noticeable.
Can I mix round and square drills on the same canvas?
Most kits are designed for one drill shape throughout, and mixing shapes isn't standard practice since the size and cut of the two types differ and would create an inconsistent surface.
Related guides
Choose your drill shape at checkout
Every kit is available in round or square drills, so you can match the finish to your project.