The 10 Most Popular Diamond Shapes, Styles & Trends of 2025
Diamonds have long symbolised elegance and commitment, and each year brings fresh styles and trends that redefine beauty and sophistication. In 2025, diamond jewellery trends are poised to offer an exciting blend of timeless classics and innovative designs. Whether you’re searching for the most popular diamond shape for your engagement ring or curious about the latest diamond pricing trends, this guide will help you navigate the sparkling world of diamonds.
1. Round Brilliant Cut: The Timeless Favourite
The round brilliant cut remains the most popular diamond shape globally. Renowned for its unmatched sparkle and versatility, this classic design continues to lead engagement ring trends in 2025. Perfect for solitaires, halo settings, or vintage-inspired pieces, the round cut offers brilliance and enduring appeal.
Why it’s trending:
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Maximises light reflection for exceptional brilliance.
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Complements a variety of settings and styles.
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Always a safe and elegant choice for any occasion.
2. Oval Cut: Modern Elegance
The oval cut diamond is making waves among popular diamond shapes with its sleek, elongated silhouette. Ideal for those who love a modern yet classic aesthetic, this cut creates the illusion of longer, slender fingers.
Why it’s trending:
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Enhances perceived size without increasing carat weight.
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Looks stunning in both solitaire and halo settings.
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A rising star in engagement ring trends for 2025.
3. Cushion Cut: Vintage Romance
The cushion cut is celebrated for its romantic, pillow-like shape with soft, rounded corners. This vintage-inspired design is making a strong comeback among trending diamond stone preferences, especially for those who appreciate antique charm.
Why it’s trending:
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Offers exceptional brilliance with a soft, romantic vibe.
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Popular in vintage-style and halo settings.
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A go-to choice for lovers of retro elegance.
4. Emerald Cut: Sleek Sophistication
Characterised by clean lines and step cuts, the emerald cut exudes understated sophistication. This rectangular cut highlights clarity and symmetry, making it a top pick in diamond jewellery trends for those who value minimalist beauty.
Why it’s trending:
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A luxurious, vintage-inspired look with a modern twist.
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Perfect for showcasing high-clarity diamonds.
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A standout choice in minimalist and Art Deco designs.
5. Princess Cut: Contemporary Royalty
The princess cut remains one of the most popular diamond shapes for engagement rings. Known for its sharp, angular lines and brilliant sparkle, this square-cut diamond adds a modern yet regal touch to any setting.
Why it’s trending:
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Combines traditional brilliance with a modern edge.
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Ideal for solitaires and geometric-inspired designs.
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Continues to dominate engagement ring trends.
6. Pear Shape: A Touch of Whimsy
The pear-shaped diamond blends the round and marquise cuts into a teardrop silhouette that symbolises elegance and individuality.
Why it’s trending:
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Elongates the finger beautifully.
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Works well in both solitaire and halo settings.
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A favourite among those who appreciate unconventional styles.
7. Marquise Cut: Regal Drama
With its elongated form and pointed ends, the marquise cut brings a dramatic flair to any ring design. This cut is enjoying a resurgence among those who favour vintage glamour.
Why it’s trending:
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Maximises carat weight appearance.
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Perfect for bold, statement-making pieces.
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Adds a dramatic edge to modern jewellery.
8. Asscher Cut: Art Deco Glamour
The Asscher cut offers vintage charm with its square shape and step-cut facets. Recognised for its distinct X-shaped facet pattern, this cut is a rising star in 2025 engagement ring trends.
Why it’s trending:
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Unique vintage appeal.
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Stunning in antique-inspired settings.
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A bold choice for retro enthusiasts.
9. Heart Shape: The Symbol of Love
The heart-shaped diamond is the ultimate emblem of romance. Though less common, its distinctive shape is perfect for those who want their jewellery to make a heartfelt statement.
Why it’s trending:
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Unique and romantic.
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Ideal for Valentine’s Day and anniversary gifts.
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Gaining popularity among younger generations.
10. Radiant Cut: Dazzling Brilliance
The radiant cut merges the best of round and emerald cuts, offering brilliant sparkle within a modern, rectangular silhouette.
Why it’s trending:
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High sparkle factor due to its brilliant-cut facets.
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Versatile in solitaire and halo settings.
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A top contender in modern engagement ring trends.
Diamond Pricing Trends for 2025
When exploring pricing trends, several factors influence the cost of a diamond—including carat weight, cut quality, clarity, and colour. In 2025, the rise of lab-grown diamonds and environmentally conscious buying decisions are significantly shaping diamond ring pricing.
Key pricing trends to watch:
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Increased demand for lab-grown diamonds.
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Ethical sourcing becoming a consumer priority.
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Custom-designed rings leading to higher prices for bespoke pieces.
How to Choose the Right Diamond Shape for You
Selecting from the most popular diamond shapes can feel overwhelming. Here are a few tips to guide your decision:
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Consider Your Personal Style: Do you gravitate towards vintage elegance or sleek modernism?
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Think About Finger Shape: Elongated cuts like oval or pear can create a slimming effect.
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Budget Considerations: Stay informed about pricing trends to get the best value.
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Setting Style: Some cuts look best in certain settings—round cuts shine in halos, while emerald cuts are perfect for solitaires.
Conclusion
The year 2025 brings exciting new directions in diamond jewellery trends, from timeless favourites like round and princess cuts to bold choices such as pear and marquise. Whether you're captivated by the most popular diamond shape or seeking something uniquely personal, keeping up with engagement ring trends will help you discover the perfect gem.
As you explore the ever-evolving world of diamond shapes, remember that the right choice is the one that reflects your style and tells your story in the most brilliant way possible.