



18k White Gold 0.40ct Natural Round Black Diamond Solitaire Ring certified
18k white gold 0.40ct natural round black diamond solitaire ring certified
This exquisite piece of jewelry features a captivating centerpiece: a single, round-cut black natural diamond, exuding an aura of mystery and sophistication. The deep, rich black hue of the diamond is mesmerizing, drawing the eye in with its unique and alluring beauty. The round cut enhances the diamond’s brilliance, allowing light to dance across its surface and reveal its inner fire. The simplicity of the single-stone setting accentuates the diamond’s natural elegance, making it a statement piece that is both timeless and modern.
Diamond Colour : black
Diamond Clarity : opaque
Ring Size: M
Ring head measurements : 5.5 mm by 5.3 mm approx
Total weight : 2.72 g
Estimated retail value £900
Our price £370
Some of our items are pre-loved and can show some signs of this. However, all of our items have been professionally refurbished at our workshop. We are happy to further polish items before they are sent.
All of our items are WGI certified and come with a WGI certificate. The certificate can be validated on their website by following this link.
To view Authenticity Certificate WGI9624131122
Please contact us for resizing options and costs.
If you have any questions at all, please get in touch.
All of our photos/videos have been taken using an iPhone 17 pro max. We do this to ensure that we manage expectations and the piece you receive is the piece you see in the photo/video.
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Need another size?

Our professional ring resizing service allows you to increase your ring size by 1 or 2 sizes with precision and care.
Performed by skilled artisans in our Hatton Garden workshop, this process ensures your ring maintains its original beauty and integrity.
Please allow up to 5 business days for completion
Note that, due to their customised nature, resized items are excluded from our exchange and return policy. Trust our expert team to deliver a perfect fit while preserving the elegance of your cherished piece.
Ring resizing is a bespoke service. Once resizing work has begun, this service is non-refundable and cannot be cancelled. This does not affect your statutory rights.