New search:
If you are not happy with the results below please do another search
Pricing Baguettes Quality Control
Price for the quality control of a batch of baguettes Batch size: Quality control and full authentication for 100% of the stones Criteria to be controlled: Colour Clarity Finish (Symmetry & polish) Fluorescence Price (without VAT) : This price includes complete authentication by microFTIR and
Pearls
Pearls SSEF offers test reports for single or multiple loose pearls, pearls mounted in jewellery and pearl necklaces. A distinction is made between natural and cultured pearls (beaded or beadless), saltwater and freshwater. Treatments (e.g. artificial colour modification) are indicated for both types of pear
Diamond grading report
Diamond grading report Colourless to near colourless loose diamonds of natural origin are usually submitted to SSEF for a 4C (Carat, Colour, Clarity, Cut) quality grading. This quality determination follows the CIBJO rules, edited in the Diamond book. Stones under 0.30ct are not graded.For stones over 0.30ct, t
Paraiba Tourmaline
Paraiba tourmaline A Paraiba tourmaline is a blue, bluish green to greenish blue or green tourmaline, of medium-light to high saturation and tone (relative to this variety of tourmaline), mainly due to the presence of copper (Cu) and manganese (Mn). The name of the tourmaline variety ‘Paraiba’ is derived fr
Jade
Jade Jade is a polycristalline aggregate made of fine and very densely interwoven mineral grains or fibres, which give it its outstanding workable properties. Based on historic references, the Chinese understanding of the term jade is not equal to the Western understanding of the term, which has been defined (C
Coloured diamond
Coloured diamond Coloured diamonds come in a wide range of colours. Report No & Photo The SSEF report number is the number given to the coloured diamond when it is submitted for testing, and is a unique number. If an item is resubmitted later for a ‚recheck‘ after re-cutting or for a report update the
Alexandrite
Alexandrite Alexandrite is a variety of chrysoberyl with a definite colour change due to the presence of chromium traces. The different colours appear due to the light source under which the stone is observed. The effect depends on the amount and distribution of colour-giving trace elements. The two colours are
Emerald
Emerald Emeralds have been revered for millennia, especially for their saturated green colour. Sources range from ancient Egypt, Swat valley (modern Pakistan) and Austria to today’s iconic sources in Afghanistan, Brazil, Colombia and Zambia. Other producers today include Ethiopia and Madagascar. As a result o
Spinel
Spinel Spinel is an attractive gemstone that comes in many colours with red being the most sought after. Kuh-I-Lal (Tajikistan) has produced pinkish red spinel of excellent quality for over a millennium, and they were historically regarded as being rubies (‘Balas rubies’). Other old mining areas include Sri
Sapphire
Sapphire The term sapphire without a colour prefix is reserved only for the blue variety of corundum, coloured by iron and titanium. All other colour varieties of corundum are either described by using a colour prefix, e.g. yellow sapphire, orange sapphire, pink sapphire, and purple sapphire to name a few, or b