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 Polishing products Polishing brush 125mm 5 x 60 layers Grobet 17.542 00538 €7.88 Polishing brush Natural cotton disc without any applied treatment and three stitches. Made up of 60 sheets of 125 mm in diameter. It is used for polishing parts together with the different polishing pastes available. Add to cart
In Stock Gemmology GROBET USA Diamond Vision Magnifier 02214 €85.00 Ideal for inspecting diamonds, gemstones and watches a stainless steel frame with alarge, 10X magnification field. The magnification field features clear, distortionfreeglass lens surrounded by LED lights foroptimum viewing .• Built in band of 10 LED lights • LED lights emit a cool bright light • Direct illumination eliminates shadows• Leather storage... Add to cart
In Stock Polishing products Polishing brush 100mm 4 x 60 layers Grobet USA 17.54001 00537 €8.14 Disc for polishing and polishing with high density cotton cloth. Diameter: 100mm. Number of fabrics: 60. Three sewn. Add to cart
In Stock Polishing products Polishing brush white cotton fabric 125mm 5 x 60 layers Grobet USA 17.75901 00522 €9.93 Brush with 60 layers of cotton fabric reinforced in the center with leather for polishing and polishing jewelry and dental pieces by applying polishing paste. Add to cart
In Stock Polishing products Cotton cloth polishing brush 150 mm. 60 layers Grobet USA 00523 €9.68 Grobet USA 17.761 disc for polishing and polishing metal parts by applying paste. Leather reinforced center. Shaft diameter: 6mm Diameter: 150mm Number of plies: 60 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 Hand tools Felt Wood Cone Utg. 00623 €5.97 Semi-hard felt cone mounted on a piece of wood for polishing processes, very useful especially for polishing the inside of rings. It admits diameters from 15 to 20 mm. Length: 140mm. Add to cart
On sale! -25% In Stock Court, stuffers and ballast Saw hair for wax 12 units. No. 1 Grobet 49,320 03507 €4.13 €5.50 Add to cart
In Stock Furniture Bench Pin And Holder (american) Grobet USA 13.320 06064 €14.92 Easily screws to edge of your work bench. Thumb screw locks in wood bench pin No. 13.300 supplied. Measures 4" wide. 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 Brushes and abrasives for micromotor Sanding disc 22 mm. fine grain 11682 08019 €0.22 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 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
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 Brushes and abrasives for micromotor Sanding disc 22 mm. medium grain 10.01123 08020 €0.54 Made of plastic with medium grain emery paper, Metal center to facilitate assembly with mandrel or disc holder. Diameter: 22mm Maximum speed: 30,000 rpm Add to cart