Mastercut is a unique diamond with an outstanding pedigree. The Mastercut diamond is perfectly proportioned and symmetrical with an eight-pointed star faceted into the culet, which is not only an aesthetic device but the visual reassurance of the cutting excellence. Developed by Tolkowsky, it has the authority of Jean-Paul Tolkowsky who came from a family with seven generations of superior diamond-cutting knowledge.  All Mastercut stones come with the very highest standards of ethical and socially responsible production, and are sold with the highest of guarantees. This includes the fact that the stones have not been treated and are not synthetic. All Mastercut stones have been purchased from legitimate sources and polished in award-winning facilities. Giving extra assurance to customers, each Mastercut diamond is sold with its own certificate, which provides complete traceability back to the rough.

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