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Presidium is the first company in the world to launch numerous gemological instruments.
MorePresidium is the world’s leading manufacturer of gemological instruments that test and measure diamonds and gems, for the gemstones industries.
It is committed to research and develop innovative instruments for the jewerly industry's benefit.
LessMeasures the dimensions and calculates the weight of loose and mounted gemstones with great precision. Direct estimate of the weight of 74 gemstones among a range of 9 popular sizes. SALES UNIT: UNIT
Diamond and moissanite tester. Ergonomically designed, identifiecation by thermal conduction, its extra thin probe is capable of testing diamonds as small as 0.02 ct. Instant results Unit of sale: One unit
Analog Leveridge caliber. Easy-to-read millimeter and karat scale. Lightweight and portable instrument. Sales unit: One unit
Diamond tester. Identification by thermal conduction, its extra fine probe is capable of testing diamonds as small as 0.02 ct. Instant results Unit of sale: One unit