Diamond grading is one of the most important parts of the jewelry industry. With diamonds getting increasingly more attention, jewelers must have the best equipment for grading diamonds. Being able to accurately grade diamonds will allow the jewelry business owner to profit and benefit from continued success.

National Jewelers Supplies carries a great selection of diamond grading and lighting devices to ensure quality grading at competitive prices.

Click here to see our catalog of diamond grading equipment.

  Diamond Grading Scales

Our diamond grading scales and equipment is top of the line. We offer CZ Master Sets, diamond grading lamps, UV detection lamps, and other diamond grading tools to help you correctly identify the cut and color as accurately as possible.

Our CZ Master sets by Gemoro come in five or ten stone sets and you can buy them in either one half or one carat stone sizes. Each stone is expertly graded to a master diamond color using the standard GIA grading scale by the leading lab specialists for over a decade.

Click here for our full list of Diamond Grading Equipment