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Dear Sirs !
Offer of Mart Diamonds Laboratories includes:
- identification of inclusions (included grains) by means of immersion microscope
- defining type and nature of inclusions (included grains)
- assessment of natural and synthetic gems based on comparison of inclusions by means of vertical and immersion microscopes
- distinguishing and classification of doublets and triplets
- defining index of refraction of a diamond up to Rl1,805), defining maximum double refraction and optic character by means of refractometer
- identification of pleochroism (dichroism and trichroism), defining colour and its intensity by means of dichroscope
- defining absorption spectrum characteristics via spectroscope
- defining whether gemstones are isotropic or anisotropic by means polariscope
- defining optic character of the gemstones by means of conoscope
- defining luminescence or phosphorescence in cabinet with longwave and shortwave UV light sources
- distinguishing natural diamonds from diamond stimulants, synthetically created diamonds, moissanites by means of the-state-of-the-art thermal probes
- measurement of the stones’ hardness
- assessment of diamonds – brilliants’ proportions using proportions meter
- assessment of diamonds – brilliants’ colour using colorimeter
- assessment of diamonds – brilliants’ colour using comparison reference stones in colorimeter
- defining of diamonds – brilliants’ clarity by means of traditional methods
- defining level of diamonds – brilliants’ clarity enhancement and determining the enhancement method
- certification of diamonds – brilliants, gemstones, pearls and organic derivatives
Furthermore, we offer :
- diamonds and brilliants’ quality computer testing according to the principles of International Diamond Centre
- expertise, opinions, valuation of gemstones, jewellery and other pieces of masterly, both modern and antique as well as old watches and coins
- advices and consultancies regarding jewellery and gemmology – for professionals, individuals and institutional customers
- mediation services in diamonds, brilliants and jewellery sale and purchase transactions jewellery, diamonds, brilliants, gemstones and watches expertise for insurance purposes.
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