


Bona Ring
A lab-grown diamond hidden in a round, closed gold bezel setting. Tiny lab-grown diamonds sparkle on the sides like points of light captured in metal. The intentionally irregular surface bears the mark of a human hand and the beauty that comes with time.
Delivery time 5-6 weeks.
- 14k yellow gold
- center stone: lab-grown diamond 4 mm, 0.24ct
- side stones: 2 mm
- band thickness: approx. 3 mm




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Czech brand
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Handcrafted to order
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Choose your diamond and material
Frequently asked questions
Here are answers to the questions we hear from you most often. You might find just what you're looking for.
Delivery time depends on the destination. Within the Czech Republic, we usually deliver within 3–5 business days. International orders may take longer, usually up to 10 days.
If you're not happy with your purchase, you can return or exchange your jewelry within 14 days of delivery. The piece must be in its original condition, unworn and in its original packaging. To make the process easier, please fill out our return form and include it in the package.
Yes! Selected pieces can be made in silver or gold. For necklaces, we're happy to adjust the length to your liking. Just write to us at martinasmira@gmail.com and we'll work out the details together.
Yes, within our 12-month guarantee we'll gladly restore the gold plating free of charge. Just contact us and send the piece back. After this period, you can have your jewelry re-plated for a fee based on the current price of 1 g of gold used in electroplating.














