0.67ct Round Brilliant Fancy Cognac Natural Diamond
The 0.67ct Round Brilliant Natural Diamond is a beautifully refined gemstone that combines timeless brilliance with rich, warm colour. Cut in the classic round brilliant shape, this diamond is expertly crafted to maximise light reflection, delivering exceptional sparkle and fire.
This diamond features a luxurious Fancy Cognac-C7 colour, offering deep brown tones with a warm, sophisticated glow. Its rich colouring makes it an elegant alternative to traditional white diamonds, perfect for those seeking a distinctive yet timeless aesthetic.
With a SI2 clarity grading, this diamond provides a pleasing balance between clarity and natural character, with inclusions that are not easily noticeable to the naked eye while maintaining strong brilliance. Measuring approximately 5.61 – 5.70 x 3.38mm and weighing 0.67 carats, this stone offers a strong and balanced presence, ideal as a centrepiece for rings, pendants, or bespoke jewellery designs.
Diamond Details
- Stone Type: Natural Diamond
- Shape: Round Brilliant
- Carat Weight: 0.67ct
- Colour: Fancy Cognac-C7
- Clarity: SI2
- Measurement: 5.61 – 5.70 x 3.38mm
- Number of Stones: 1
- Certification: EGL: 211110314/134197
Style & Use
- Classic round brilliant cut for maximum sparkle and fire
- Rich cognac tone for a bold yet sophisticated statement
- Perfect centre stone for bespoke jewellery or engagement rings
- Ideal for those seeking a unique alternative to traditional diamonds
Custom Design & Craftsmanship
Collaborate with our skilled jewellery designers and expert goldsmiths to transform this exceptional 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 truly timeless?
Enquire today and let us craft a bespoke jewellery piece using this elegant natural diamond.



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