Gemmology

Discover our professional selection of gemmology instruments at Fornituras Delarosa. We offer all the equipment necessary for the identification, analysis and handling of precious and semi-precious stones. From high-precision magnifying glasses to advanced diamond testers, we have quality-assured tools for gemmologists, jewellers and appraisers who seek absolute precision in their daily work.

Showing 1-24 of 72 item(s)

Diamonds tester

Diamonds tester 2

In Stock

Gemmology

Diamonds tester

Quickly and reliably identify diamonds from other imitation stones using the combined principles of thermal and electrical conduction through manual calibration. Attention: Economic model, NOT valid for moisanites.

PRESIDIUM DIAMONDMATE-A

PRESIDIUM DIAMONDMATE-A 2

In Stock

Gemmology

Presidium Gemtester Diamond Mate-A

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).

Diamond and moisanite multi tester Presidium

Diamond and moisanite multi tester Presidium 2

In Stock

Gemmology

Diamond and moisanite multi tester Presidium

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.

Lupa con pinza 4x

Lupa con pinza 4x 2

In Stock

Gemmology

4x clamp magnifying glass

Standard plastic magnifying glass with clip to attach to glasses. Diameter: 22mm. Magnification: 4x

Diamond magnifying glass with case

Diamond magnifying glass with case 2

On sale!
-20%

In Stock

Gemmology

Diamond magnifying glass with case

€7.90 €9.88

Magnifying glass for the examination of precious stones. Triplet lenses flatten the image, combined with the precision of an achromatic lens, which prevents color distortions. 21mm lens. Made of aluminum. Threaded inner ring.

20x diamond magnifying glass with LED light

In Stock

Gemmology

20x diamond magnifying glass with LED light

Folding magnifying glass with LED light to examine precious stones. Lens diameter: 21 mm. Batteries: 3 x SR920SW

LUPA DIAMANTISTA 20X

LUPA DIAMANTISTA 20X 2

In Stock

Gemmology

Diamond magnifying glass 20X folding

Pour l'examen des pierres précieuses. Objectif Ø 21 mm. 20 augmentations.

Lupa de sobremesa con luz 3.5X

In Stock

Gemmology

Desktop magnifying glass with light 3.5X

3.5x magnifying glass for desktop use with 3 LED lights. Lens Material: Shatterproof Acrylic Dimensions: 93mm diameter Power supply: 2 CR2016 batteries

OPTIVISOR MAGNIFIER

OPTIVISOR MAGNIFIER 2

In Stock

Gemmology

OPTIVISOR MAGNIFIER

Tilting Optivisor lens made of optical glass with minimal light absorption, designed for effective vision at a very short distance, with an adjustable and padded headband, which allows you to have your hands free at work. See also: Spare parts for Optivisor lenses.

Lente de recambio para optivisor

Lente de recambio para optivisor 2

In Stock

Gemmology

Replacement lens for Optivisor

Replacement prismatic optical glass lenses, specifically designed for OPTIVISOR's range of precision binocular loupes. To swap the lens, push the tabs on the rear forward. The lenses will be released, allowing others to be placed in their place.

GROBET USA Diamond Vision Magnifier

In Stock

Gemmology

GROBET USA Diamond Vision Magnifier

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...

$Kern Analogue refractometer ORA-G$ $Kern Analogue refractometer ORA-G 2$

In Stock

Gemmology

Kern Analogue refractometer ORA-G

The Kern ORA-G analogue optical refractometer is the ultimate precision tool for the identification, authentication and analysis of gemstones and jewellery materials. Designed specifically for gemmologists, valuers and jewellery workshops. Maintenance-free operation ensures accurate measurements day after day.

Gauge for diamonds and pearls 4 arms 0.01 to 6 mm

In Stock

Gemmology

Gauge for diamonds and pearls 4 arms 0.01 to 6 mm

Gauge made of nickel-plated brass for measuring gauges of diamonds, pearls, gems and other pieces of jewelry. Calibres: 0.01 to 6.

Analogical Presidium Leveridge caliper

Analogical Presidium Leveridge caliper 2

In Stock

Gemmology

Analogical Presidium Leveridge caliper

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...

Presidium electronic gemstone gauge PEGG

Presidium electronic gemstone gauge PEGG 2

In Stock

Testing and Gemology

Presidium electronic gemstone gauge PEGG

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.

Presidium Leveridge Gauge with Weight Calculator

Presidium Leveridge Gauge with Weight Calculator 2

In Stock

Gemmology

Presidium Leveridge Gauge with Weight Calculator

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.

Rectangular "pick-up" 5,5x4 mm

Rectangular "pick-up" 5,5x4 mm 2

In Stock

Gemmology

Rectangular "pick-up" 5,5x4 mm

Gem scoop made of metal with round bottom and grip handle. Measurements: 55x40 mm.

View

Tamiz para piedras 20 piezas

Tamiz para piedras 20 piezas 2

In Stock

Gemmology

Sieve for precious stones 20 pieces

Stone classifier according to its size. Double container and metal plates. Plate dimensions: Ø 50 mm.

Micropunta para comprobador Presidium Adamas

Micropunta para comprobador Presidium Adamas 2

On sale!

In Stock

Gemmology

Microtip for Presidium Adamas tester

Bio-Art 2,5X magnifier

In Stock

Dentistry laboratory

Bio-Art 2,5X magnifier

Light, practical and with excellent visual performance, the magnifying glass is essential for clinical procedures and laboratories. Manufactured with CR-39 resin, the lenses have protection against UV and IR rays, greater resistance against abrasion and excellent transparency.

3.5x Bio-Art Magnifier

In Stock

Dentistry laboratory

3.5x Bio-Art Magnifier

Light, practical and with excellent visual performance, the magnifying glass is essential for clinical procedures and laboratories. Manufactured with CR-39 resin, the lenses have protection against UV and IR rays, greater resistance against abrasion and excellent transparency.

Binocular para gafas luz LED 1,5x, 2,5x, 3,5x

In Stock

Clockmaking

Binocular for glasses LED light 1.5x, 2.5x, 3.5x

LED lighting. Adjustable clamp to any type of glasses. Includes 3 interchangeable lenses from 1.5 to 3.5 magnifications.

Carpeta universal papel para brillantes Azul / Azul 25 unidades

In Stock

Gemmology

Universal paper folder for diamonds Blue / Blue 25 units

Carpeta universal papel para brillantes Azul / Azul 25 unidades

In Stock

Gemmology

Universal paper folder for diamonds Blue / Blue 25 units

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Testing and Gemology

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