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Unique Lab Grown Diamond Accent Shapes to Explore In 2026

By GDC Team | 25 Dec 2024 |

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10 diamond accent shapes to explore

While most people pay a lot of attention to the center diamond or the big diamond, the small diamonds around the big one are often neglected. We’re referring to accent diamonds.

Accent diamonds are small diamonds that surround or go along with big diamonds. Accent diamonds enhance the big diamond and provide support to it. Moreover, accent diamonds also help enhance the big diamond and the design of the jewelry piece.

In this blog, we explore unique and unconventional accent lab-grown diamond shapes that you must add to your diamond collection in 2026.

10 diamond accent shapes to explore

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1. Trillion accent diamonds

Trillion accent lab-grown diamonds are triangular in shape. Triangle diamonds are not too common as center diamonds and are often used as accent diamonds in jewelry pieces such as earrings, finger rings, and pendants. Trillion accent diamonds may have sharp sides or curved sides.

2. Baguette accent diamonds

Baguette accent lab diamonds have a rectangular shape. These longish diamonds are often paired with larger diamonds of different shapes. The baguette accent diamonds are easy to combine around the center diamond as the longish and straight shape makes it easy.

3. Marquis accent diamonds

Marquise or oval-shaped accent diamond cuts have a sharp point on the top and bottom. However, the points have a slight curve. This shape is unique and versatile and often used as side stones around large diamonds of other shapes, for instance, a cushion cut diamond or a round brilliant diamond, especially in engagement rings.

4. Oval accent diamonds

Oval accent diamonds are slightly different from marquise cut lab grown diamonds. This diamond cut has smooth and curved sides as compared to marquise and has a more rounded appearance.

5. Pear shaped accent diamonds

The pear shaped diamond cut is a combination of a round diamond and a marquise-cut diamond. Also known as a teardrop diamond at times, this diamond cut has 58 facets and enhances the center diamond with more sparkle.

6. Heart accent diamonds

Heart-shaped accent diamonds resemble the heart shape. These diamond cuts are commonly used as accent diamonds in engagement and wedding rings. Lab-grown heart accent diamonds are often used as accent diamonds around the center diamond of different shapes, including heart, brilliant round, oval, and more.

7. Radiant accent diamonds

The radiant cut lab grown diamonds, also called the vintage cut, are a combination of an emerald cut and a round brilliant diamond cut. Quite identical to the square or rectangular diamonds, the radiant cut accent diamonds have slight cuts on the corners. This is a rare and uncommon shape and is highly recommended for both center diamonds as well as accent diamonds.

8. Asscher diamond accents

The asscher cut diamonds are square and have large facets. Its cut lends it excellent shine and sparkle because of which it is often referred to as a hall of mirrors. The asscher lab-grown diamond also features rounded corners, making it perfect as accent diamonds to be added around center diamonds.

9. Cushion cut accent diamonds

Cushion cut diamonds are one of the most preferred diamond cuts, especially for engagement rings. These diamonds are square or rectangular in shape and feature rounded corners, making them perfect to add to center diamonds. They are said to be third in popularity after round brilliant and princess cut lab-grown diamonds.

10. Kite shaped diamond accents

Resembling the shape of a kite, the kite-shaped diamond is similar to emerald or princess cut diamonds. It features step cuts and geometric shapes, making it easy to add accent diamonds around the square or rectangular-shaped lab or moissanite diamonds.