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Truly

Sustainable

T·MARK diamonds carry higher transparency than average diamonds. The meticulous recording of every step, from sourcing to production, is made possible through our patented method with nano-inscription techniques. Each diamond's traceable journey follows strictly sustainable and responsible sourcing principles, ensuring each natural diamond is clear of conflict, illegal exploitation, and unfair trade. It is our belief that the truth and story behind each one-of-a-kind gem is worth sharing and showcasing.

In compliance with Kimberley Process Certification Scheme｜"Best Practice Principles" of De Beers Group｜"Code of Practices" of Responsible Jewellery Council (CTF Diamond Trading Co Ltd)

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Truly

Natural

Natural diamonds are formed under the foundational powers of nature. Chow Tai Fook's vertical integration business model* and the T·MARK tracing process are key to vouching for each diamond's authenticity. Every T·MARK diamond holds a unique serial code that archives its full journey from sourcing to production - all of which bear international certifications from the most esteemed gemmological institutes around the world.

International certification authentication issued by SGS: ISO 18323:2015 - Jewellery - Consumer Confidence in the Diamond Industry ｜Natural Diamond Traceability Scheme

*Chow Tai Fook’s vertical integration business model combines its upstream, midstream and downstream operation to closely monitor and trace the diamond’s journey from sourcing, cutting, polishing, setting, production, as well as marketing and sales.

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Truly

Excellent

With prestigious jewellery craftsmanship that traces all the way back to 1929, Chow Tai Fook is renowned for our artisan techniques and innovations in elevating diamond craftsmanship. Seasoned diamond masters work closely with precision pioneered technology and techniques to cut and polish each natural diamond to its highest value and brilliance. The T·MARK inscription is a mark of this excellence, all while preserving the diamond's value and natural shimmer.

State-of-the-art nano-inscription is only 5 nanometres thick, equivalent to 1/20000 of fingerprint thickness ｜Using a patented method｜ No chemical residue

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Truly

Personalised

Candid commitments and unspoken understandings will always leave an unfading mark upon our hearts. With T·MARK, every significant person, time, and moment can be commemorated through a unique serial code to be engraved onto your T·MARK diamond. Beyond brilliant and beautiful, make your diamond exclusively yours with memories written in stone.

Please contact our staff regarding customising services and serial code selection.