0.51 Ct Round Brilliant H/I1 Diamond
The 0.51 Ct Round Brilliant H/I1 Diamond is a classic and versatile gemstone that offers timeless brilliance at an accessible value point. Ideal for those looking to create custom jewellery, this diamond is well-suited for a variety of designs.
This diamond features an H colour grade, placing it in the near colourless category, offering a bright and clean appearance with excellent light performance. With an I1 clarity, inclusions are visible but can often be minimised through thoughtful design and setting, allowing the diamond to still deliver a lively sparkle.
The round brilliant cut is the most popular and expertly engineered cut, designed to maximise light reflection. This results in strong fire and brilliance, making it a timeless choice for any jewellery piece. Weighing 0.51 Ct and measuring approximately 5.03 – 5.11 x 3.20mm, this diamond offers a balanced and practical size.
Diamond Details
- Stone Type: Diamond
- Shape: Round Brilliant
- Carat Weight: 0.51 Ct
- Colour: H (Near Colourless)
- Clarity: I1
- Measurement: 5.03 – 5.11 x 3.20mm
- Number of Stones: 1
- Certification: EGL
Style & Use
- Round brilliant cut for maximum fire and sparkle
- Versatile size suitable for a wide range of jewellery designs
- Ideal for engagement rings, pendants, earrings, or custom pieces
- Great option for those seeking a balance of beauty and value
Custom Design & Craftsmanship
Collaborate with our skilled jewellery designers and expert goldsmiths to transform this diamond into a one-of-a-kind piece tailored to your vision.
If this stone isn’t exactly what you’re looking for, we can source alternative diamonds to suit your preferences.
Please allow 2 weeks for design and manufacturing once your custom piece is confirmed.
Ready to create something unique?
Enquire today and let us craft a bespoke jewellery piece using this classic round brilliant diamond.




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