Gemology Testers
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Ultraviolet Curing Lamp UV Glue and Epoxy Adhesive Drying Light
SKU: 13.523$41.99Our Ultraviolet lamp is a high quality tool used for activating and curing UV glue and epoxy that is commonly used in the setting of watch crystals and jewelry repair. The hood over the top of the...Add to Cart$41.99 -
DiamondNite Dual Tester Diamond and Moissanite Jewelry tool
SKU: 56.650$219.00The DiamondNite tAdd to Cart$219.00 -
Conoscope Rod Optic Figure Sphere
SKU: 35.0470$15.98A conoscope rod is also referred to as an optic figure sphere or an interference sphere. It's used in gem identification to help determine if a double refractive stone's optic character is biaxial or...$15.98Qty in Cart: 0Quantity:Price:$15.98Subtotal: -
Chelsea Filter Gemstone Color Inspection and Identification Tool
SKU: 35.0467$52.95This gemological tool is helpful with identifying certain red, blue and green gemstones. It is used to determine whether a gemstone is natural or synthetic and can also be used for detecting...Add to Cart$52.95 -
Gemlogis Belize Diamond Verifier
SKU: 56.689$1,049.00The GemLogis BELIZE tester combines thermal and optical probe tips into its patented testing technology. The BELIZE quickly differentiates between earth-mined diamond / Type IIA- HPHT / CVD...Add to Cart$1,049.00 -
Gemlogis Vista Diamond Segregator
SKU: 56.687$658.90The latest addition to the Gemlogis series of testers, the Vista determines if a diamond is earth mined (natural) or HPHT treated/Lab created (CVD). Tests loose and mounted stones from .02 ct to 12...Add to Cart$658.90 -
GemOro Pro 3 Diamond Grading CZ Master Set
SKU: 63.959$419.99$349.95Professionally color grade diamonds in seconds with GemOro's new generation CZ Master Set Pro 3. Featuring the largest range of diamond colors available D-N, each stone in the precision CZ Master Set...Add to Cart$419.99$349.95 -
Gemological Diamond Weight Estimator Loupe
SKU: 35.0519$63.95This estimator loupe, developed by Gem-A, estimates the weight of diamonds and gemstones in mounted jewelry. It has two scales: one for measuring modern round brilliant cut diamonds for approximate...Add to Cart$63.95 -
Polariscope Gemological Instruments
SKU: 35.0503$139.99This portable gemological tool visually shows if a gemstone is doubly or singularly refractive. It is also used for identifying moissanite and detecting strain in diamonds. It uses a precision, high...Add to Cart$139.99 -
Prism Spectroscope With Adjustable Draw Tube
SKU: 35.0473$169.95A spectroscope is a gemological instrument that allows you to view a gemstones distinctive way it absorbs light, also referred to as its absorption spectrum. The spectroscope is typically used when...Add to Cart$169.95 -
Gemlogis Astro Colorstone Reference Meter
SKU: 56.669$379.00Gemlogis Astro is a two way device that works as a standalone device (via wired probe) or wirelessly with Gemlogis Belize Pro (sold separately). It features a touch screen display panel that expand...Add to Cart$379.00 -
Hearts and Arrows Loupe Pro
SKU: 35.0499$14.88Hearts and Arrows is a visual phenomenon that appears in the finest Ideal Cut round brilliant diamonds when viewed in a Hearts and Arrows viewer or gemscope. Diamonds cut with precisely aligned and...Add to Cart$14.88 -
Gemlogis Belize PRO Diamond Verifier
SKU: 56.688$1,199.00The GemLogis BELIZE PRO features an enhanced method for identifying natural diamonds compared to other testers, especially for unique natural diamonds that are less responsive to UV and may detect...Add to Cart$1,199.00
These gemology testers are a great addition to the workbenches of any gemologist, jeweler, or hobbyist jeweler. Determine stone type and separate genuine stones from synthetics with the use of Esslinger & Co's quality gemological testers. We carry polariscopes, refractometers, diamond testers, Chelsea filters, refractive index liquids, and more. These gemologist’s tools are handy for any gemologist, jeweler, appraiser, or business who plan on buying jewelry and needs to know whether the gemstones they’re purchasing are the real thing or not.