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Trusted supplier of cut and polished diamonds

Dimexon is known internationally as a trusted supplier of cut and polished diamonds.
We work closely with our clients, many of whom are prestigious watch and jewellery brands, to ensure delivery of exceptional diamonds across a range of cuts and sizes.


We have used our decades at the forefront of the industry to combine investment in technology with individual craftsmanship. Our particular area of expertise is round brilliants, which include a range of Forevermark diamonds and Hearts & Arrows. Dimexon is also able to offer a bespoke selections of rare and exceptional stones.

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Our products

Dimexon’s consistent volumes of calibrated smalls are each cut using microscopes and micrometers and individually assessed to within 0.05mm tolerance. Our fully audited supply chain gives our clients peace-of-mind by guaranteeing the ethical sourcing and full traceability of our natural diamonds.

Calibrated Smalls
Calibrated Smalls

Across all colours and qualities, we manufacture finely made polished diamonds according to mm-specific, calibrated specifications.

Specifications

Cut: Round Brilliant Cut
Colour: D-J Clarity: IF – SI2
Size: 0.06-4.00mm

Fine Makes
Fine Makes

Across all colours and qualities, we manufacture finely made polished diamonds according to generic, industry-recognised size bands: -2, stars, melees, 10 per carat up to 4 per carat.

Specifications

Cut: Round Brilliant Cut
Colour: D-J, Light Colour, Lt. Brown
Clarity: IF – I1
Size: 0.001-0.30ct

Certified
Certified

A selection of our diamonds ranging from 0.18 ct to 4.99 ct are graded by internationally known and recognised diamond grading laboratories, where the 4C’s are rigorously assessed and certified. (other labs, upon request)

Specifications

Cut: Round Brilliant Cut
Colour: D-J, Clarity: IF – SI2
Size: 0.18-4.99ct
Certificates available: GIA

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