In Stock Gemmology Presidium Gemtester Diamond Mate-A 02261 €150.00 Thermal conductivity tester to instantly verify the authenticity of diamonds. Visible light and audible sound. No waiting time between tests. Metal detector - intermittent beep. Diamond detection - continuous beep. Power supply: 3 AAA alkaline batteries. (Low battery indicator). Add to cart
In Stock Testing and Gemology Presidium electronic gemstone gauge PEGG 02262 €398.90 Presidium caliper in digital version to measure precious stones, which directly converts the weight to carats. Using solid-state electronics to accurately measure to 1/100mm, Clear and visible high-tech digital display for easy reading of measurements. Allows for easy measurement of mounted gemstones. Add to cart
In Stock Gemmology Diamond and moissanite tester PRESIDIUM Adamas 02253 €350.00 Dynamic LED display. Diamond and Moissanite Checker Allows you to change the probe tip at any time, without having to return the device to the manufacturer. Adamas introduces the first improved and perfected microtip as small as 0.45mm for the measurement of diamonds and bodies as small as 0.01ct. (optional accessory). Dynamic LED display and an ergonomic... Add to cart
In Stock Gemmology Diamond and moisanite multi tester Presidium 02264 €315.00 Pocket-sized instrument that instantly identifies metals, imitations, diamonds and mossanites based on their thermal and electrical properties: Exact diamond test from 0.02 ct Clear and visible display to facilitate the reading of the measurements Up to three hours of continuous use. three AAA batteries Waiting time: 10 min from the last measurement. Add to cart
In Stock Gemmology Analogical Presidium Leveridge caliper Presidium 02256 €254.80 Presidium is the world's leading manufacturer of gemological instruments that test and measure diamonds and gemstones. The Leveridge analog gauge can measure from 0.0 to 23mm in 0.1mm divisions. Easy to read millimeter and carat scale. Features a patented anvil with new non-metallic, lubrication-free rack and pinion technology that resists wear while... Add to cart
In Stock Gemmology Presidium Leveridge Gauge with Weight Calculator 02257 €427.00 PGCG MODEL Another leading product from PRESIDIUM INSTRUMENTS. The Presidium Gem Computer Gauge gives an estimate of weight and identifies gemstones much more accurately. Allows you to identify an unknown gemstone by entering its size and weight. Add to cart
In Stock Casting and melting Graficarbo digital electric furnace 1 kg. 05622 €499.80 Benchtop furnace for the casting of precious metals. Made in Italy. Capacity: 1 kg of Au Power: 850 W Maximum temperature: 1120 ° C Add to cart
In Stock Gemmology Presidium Gem Tester II Color Diamond Tester 02263 €304.20 Retractable thermoelectric probe tip, ensures constant pressure between probe and gemstone Thinnest probe tip in the industry (0.6mm) for gems up to 0.02 carats Metal alert buzzer to ensure the probe tip is in contact with the gemstone under tes analog dial. Built-in calibration and glass test (CAL) disks for reference Add to cart
In Stock Gemmology Presidium Duo Tester II Diamond Tester 02260 €494.00 Presidium Duo Tester II II is the only diamond tester on the market that combines two testing methods for gemstones. The Duo Tester II differentiates between genuine diamonds based on two parameters: thermal conductivity and reflection indices. Dipped or covered gems can also be tested with the Presidium Duo Tester. Add to cart
In Stock Gemmology Colors Gemstone Tester PRESIDIUM Gem indicator PGI 00273 €337.00 Portable digital tester for colored stones, which differentiates up to 31 different types of colored gems based on their thermal conductivity Selection between a range of 12 common colors, achieving more precise results. 0.45mm tipped probe for testing 0.2ct gemstones. Retractable thermoelectric tip to maintain constant pressure against the stone Add to cart
In Stock Gemmology Presidium ARI Portable Diamond Verifier 02258 €1,275.00 Identifies colorless diamonds against lab-grown CVD/HPHT diamonds and all types of moissanites, including newer "low conductivity" moissanites. For testing loose and mounted stones, including closed-set jewelry. Instant results in 3 seconds. Replaceable optical probe tip technology. Add to cart
In Stock Welding and refractory Refractory brick with rotating support 11 x 11 cm. 00851 €30.60 Small-sized refractory brick that, mounted on its rotating support, facilitates welding or other hot work on small-sized pieces or crucibles, withstanding very high temperatures. Add to cart
In Stock Welding and refractory Refractory brick for rotating support 110 x 110 x 10 mm. 00851-2 €5.40 Add to cart
In Stock Welding and refractory Refractory brick with rotating support 11 x 22 cm. 00809 €36.36 Add to cart
In Stock Gemmology Presidium refractive index Meter II 09028 €490.00 The refractometer made by Presidium can measure the rate of light refracted through gemstones such as diamonds or moissanites. Wide range of RI (refractive index) values from 1000 to 3000. Add to cart
In Stock Casting and melting machines Graficarbo digital electric furnace 0,5 kg. 05621 €470.25 Electric melting furnace for the smelting of precious metals, such as gold, silver and other alloys. Made in Italy, built in solid steel with high temperature ceramic chamber. Add to cart
On sale! -40% In Stock Casting and melting machines Graficarbo 3 kg tilting digital electric melting oven 05623 €495.08 €825.13 Furnace with high efficiency and capacity for the smelting of precious and other non-ferrous metals, with a tilting system to increase safety. Made in Italy. Add to cart
In Stock Casting and melting Graphite crucible 3 kg. for Graficarbo oven 05627 €34.30 Height = 172mm Upper diameter = 80mm bottom diameter = 62mm Capacity: 3000g AU. Add to cart
In Stock Casting and melting consumables Graphite crucible 1 kg. for Graficarbo oven 05626 €22.20 Height = 125mm Upper diameter = 65mm Bottom diameter = 50mm Capacity: 1000g AU. Add to cart
In Stock Casting and melting Graphite crucible 0,5 kg. for Graficarbo furnace 05625 €16.65 Add to cart
New In Stock Gemmology Presidium Sam Diamond and Moissanites Tester 02272 €398.90 Presidium tester with highly sensitive thermoelectric probe tip to identify diamond against wider range of moissanites, especially the new "low conductivity moissanite" and other diamond simulants. Add to cart
In Stock Casting and melting machines Graficarbo digital electric furnace 3 kg. 05620 €599.00 Furnace for the smelting of precious metals. Capacity: 3 kg Au Power: 1700W Maximum temperature: 1120 ° C Digital display. Made in Italy. Add to cart