Products for Measuring and Grading polished diamonds

DiaExpert™ (see pictures above) is a product which maps complicated stones with convex and concave geometries of up to approximately 28 mm (equivalent to more than 100 carats) using patented technology implementing cutting edge optical imaging and laser scanning systems. A new model of this product, the DiaExpert™XL, which handles stones of up to 65 mm (equivalent, depending on the shape of the stone, in theory to 800 carats and more) will be marketed in the first quarter of 2005.

It assists the diamond manufacturer in the most crucial step in the processing of rough stones - deciding how to cut the rough stones while achieving the maximum yield possible. It takes into account different shape possibilities, proportions and internal flaws while giving the optimal solution. It calculates thousands of polished diamond allocation options in seconds and is user-driven when recommending the optimal shape selection by providing interactive indications of sawing and other planes.

The newest version of the software to run on the DiaExpert™platform (and the DiaScan series described below) was introduced in January 2005 and is called the Advisor. It offers many new enhancements, including better planning functionality for fancy shapes in general and square fancy shapes (Princess, Radiant, Rectangle (Emerald) etc.) in particular and an enhanced graphic user interface.

Introduced in 1995, the DiaExpert™is commonly used in the diamond trading and manufacturing process. We have realized significant sales volumes of DiaExpert™in all the major diamond trading and manufacturing centres worldwide, including the USA, Belgium, India, Israel, South Africa and Thailand. With the opening of additional diamond cutting and polishing centres in PRC and Russia, and the introduction of new models of the DiaExpertTM aimed at small manufacturing facilities, we expect our sales volumes of these products to continue into the foreseeable future.

DiaMark™ / DiaScribe Platform (being the DiaMension™/DiaExpert™ platform with a laser add-on module)

DiaMark™ (see picture above) is an automatic laser marking system which is an add-on unit to the DiaExpertTM. Using a laser beam, it etches non-erasable markings of the rough stone's sawing plane according to the recommendations by the DiaExpertTM, hence eliminating possible discrepancies between the planning stage and the production process. It is a simple one-step operation and since it uses a low power laser, constitutes no risk to the diamond or the user.

DiaScan S Series

DiaScan "S" Series (see Diagram E above), consisting of four models, is a cost-effective analysis tool, similar to the DiaExpert™, but its use is limited to specific ranges of stones of smaller sizes and it does not link to the DiaMarkTM. It is a single lens unit and is not designed to be upgraded to do laser marking, unlike the DiaExpert™.

It was developed as a strategic product to expand our market, for use on production floors as in-line quality assurance and by companies with smaller budgets, as it is relatively inexpensive. DiaScan "S" Series is based on the same technology and software as the DiaExpertTM. DiaScan "S" Series is also available as a mobile carry-on configuration (known as the DiaMobile) which includes a laptop computer and is sold in a hard-case for portability.

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