Lab grown diamonds have rapidly become a popular alternative to mined diamonds, offering a sustainable and ethically responsible option without sacrificing the beauty and brilliance of natural diamonds. With advances in technology, lab grown diamonds are now available in a variety of shapes and styles, allowing for greater creativity and customization in jewelry design. In 2025, designers and consumers alike are exploring unique accent shapes that can add an exciting twist to traditional diamond jewelry.

Here are some of the most innovative and unique lab grown diamond accent shapes to consider in 2025:

1. Trillion Cut Diamonds

The trillion cut diamond has a bold, modern look with sharp, angular edges that set it apart from traditional round or oval diamonds. This shape features a triangular design with 31 facets, giving it a stunning brilliance. Trillion cut diamonds are often used as accent stones in engagement rings, necklaces, or earrings, providing a striking contrast to larger center stones. In 2025, expect to see more trillion cut diamonds in lab grown designs, adding a geometric flair to fine jewelry.

2. Baguette Cut Diamonds

Baguette diamonds are long, rectangular stones that have a timeless elegance, often seen in vintage inspired jewelry. With clean, straight lines and a subtle brilliance, baguettes are perfect for those who prefer understated beauty. In 2025, lab grown baguette diamonds are making a comeback, especially as accent stones in stacked rings, bracelets, and earrings. Their sleek, linear appearance adds sophistication to any design, and they pair beautifully with round or cushion cut center stones.

3. Pear Cut Diamonds

The pear cut diamond, also known as the teardrop shape, combines the round and marquise cuts, creating a beautiful elongated form. This shape has been gaining popularity due to its versatility and the flattering silhouette it creates. In 2025, 0.5Ct Pear Shape Solitaire Ring in lab grown jewelry are expected to continue their rise, used as accent stones in both contemporary and vintage inspired designs. Their asymmetrical shape adds an element of uniqueness to engagement rings, necklaces, and earrings.

4. Hexagon Cut Diamonds

Hexagon shaped diamonds are a modern take on traditional round or square stones. With their six sides, these diamonds have a geometric and edgy look, offering an alternative to classic shapes. Lab grown hexagon diamonds are expected to become more prevalent in 2025, particularly for those looking for a more contemporary style. These diamonds make for excellent accent stones in rings, often used to create an eye catching contrast with a larger center stone. They can also be arranged in clusters for a bold, statement making piece.

5. Cushion Cut Diamonds

Cushion cut diamonds have rounded corners and larger facets, providing a soft, romantic feel with a vintage appeal. These diamonds are known for their "pillow like" shape, which enhances their sparkle and fire. In 2025, lab grown cushion cut diamonds are becoming a popular choice for accent stones, often seen surrounding a larger center diamond in halo settings. Their timeless beauty pairs well with various ring styles, from classic to contemporary.

6. Radiant Cut Diamonds

Radiant cut diamonds combine the elegance of a square or rectangular shape with the brilliance of a round diamond. Their faceting pattern allows for more light reflection, resulting in a dazzling sparkle. This shape is ideal for creating a striking look in accent stones, especially when used in multi stone rings or earrings. In 2025, lab grown radiant cut diamonds will likely continue to be a popular choice for creating a dynamic and modern aesthetic in jewelry.

7. Marquise Cut Diamonds

The marquise cut diamond, with its elongated oval shape and pointed ends, creates the illusion of greater size and length. This distinctive shape is often used as a centerpiece or in accent arrangements. 2 carat marquise ring are gaining traction in 2025 due to their bold, dramatic look. They are frequently used as side stones in engagement rings, offering a unique and elegant touch.

8. Asscher Cut Diamonds

Asscher cut diamonds are known for their square shape and deep, step cut facets, which give them a vintage appeal reminiscent of the Art Deco era. The symmetrical, geometric design of Asscher diamonds makes them stand out as accent stones in rings and earrings. In 2025, lab grown Asscher cut diamonds are expected to rise in popularity, offering a sophisticated option for those who appreciate timeless elegance with a touch of old world glamour.

9. Heart Cut Diamonds

The heart shaped diamond remains a symbol of love and romance, and it's making a return in unique accent designs in 2025. Heart shaped diamonds as accent stones are an excellent way to add a personal and sentimental touch to jewelry. Whether used in a delicate necklace or as side stones in a ring, lab grown heart cut diamonds allow for a perfect expression of affection in a stylish and meaningful way.

10. Cushion Modified Brilliant Cut Diamonds

A twist on the traditional cushion cut, the cushion modified brilliant cut combines the soft, rounded corners of a cushion shape with a more intricate facet pattern. This cut maximizes the diamond’s brilliance and sparkle, making it an eye catching choice for accents. In 2025, these modified cushion cut diamonds in lab grown forms will likely become a favorite in high end jewelry designs, particularly for those who prefer a blend of modern and classic styles.

Conclusion

The world of lab grown diamonds is evolving rapidly, offering a wide variety of shapes and styles to suit every taste and occasion. Whether you’re looking for something bold and edgy or timeless and classic, the unique accent shapes discussed above will be at the forefront of jewelry design in 2025. From geometric hexagons to romantic heart shaped diamonds, these accent stones allow for an exceptional level of customization, giving you the opportunity to create a piece of jewelry that is as unique and special as you are. With lab grown diamonds, beauty, sustainability, and innovation are all within reach.