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A pentagonal lab grown diamond has five straight sides, which gives it a slightly pointed, house-like look next to rounder shapes. Cutting five even sides from one rough stone takes a steady hand, since the angles have to line up closely for the shape to look even. Even a small slip on one side can throw the whole outline off, so this cut is left to crafters who work slowly and with care. That extra care is part of why this shape can cost a bit more in labor than a plain round cut.
This lab grown diamond can be made with a brilliant facet pattern or a simpler step-cut pattern, based on the look a buyer wants. A brilliant finish gives off small, busy flashes of light, while a step-cut finish sends back broader, calmer flashes. The five flat sides stay clear and easy to see either way, no matter which style is used.
Pentagonal stays fixed as the shape here, so carat weight, color, clarity, and how well the stone is cut set the price of this lab created diamond. How well it is cut plays a bigger role than usual, since an uneven side is one of the first things a close look will catch. Carat weight and clarity round out the rest of the price.
This cut suits a plain solitaire nicely, letting its five-sided outline hold the full focus on its own. It also fits well into a cluster ring, sitting among a few smaller round stones for contrast. Some buyers choose a small stone like this for a stack ring worn next to plainer bands. A few buyers also set one off to the side as a small accent next to a larger center stone.
This lab diamond gives buyers a shape with a strong outline that few other cuts can match. It suits anyone who wants a stone that looks bold and a little rare. That look is a big part of why buyers seek this shape out on purpose, rather than settling for something more common.
Loose Grown Diamond builds and sources Pentagonal cut lab grown diamonds to your exact preferences. Share the carat weight, color, and clarity you want, or send over a reference photo, and we will begin shaping a stone around your specifications.
The biggest gap is in the outline. This shape has five straight sides instead of a smooth curve, giving it a bolder, sharper look than a round or oval stone of the same carat weight. That difference is easy to see even from a short distance away.
Yes, many buyers choose this shape for a men’s ring because its straight sides and clean angles give it a sturdier, bolder look than a rounder shape. It also tends to pair well with a wider, plainer band.
No special setting is needed here. But a setting with even prongs or a bezel edge that follows the five sides of the lab pentagonal closely tends to look best and keeps the outline sharp.
