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Gem tester

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Home / Jewelry Tools / Gem tester refurbished & used for sale | For Sale USA
New presidium gem tester - new, ii

New presidium gem tester - new, ii

$318.00
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Gemstones flashlight super - uv, flashlight,

Gemstones flashlight super - uv, flashlight,

$31.15
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Portable diamond gem tester - portable,

Portable diamond gem tester - portable,

$13.98
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High accuracy jewelry tester - jewelry,

High accuracy jewelry tester - jewelry,

$23.33
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Presidium gem and - presidium,

Presidium gem and - presidium,

$249.99
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Diamond tester portable gem - diamond,

Diamond tester portable gem - diamond,

$5.99
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Diamond tester portable - tester,

Diamond tester portable - tester,

$7.50
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Presidium multi tester - tester, iii

Presidium multi tester - tester, iii

$237.27
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Presidium diamond gem - presidium, tester

Presidium diamond gem - presidium, tester

$100.00
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Presidium gem tester - gem,

Presidium gem tester - gem,

$319.95
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Smartpro spge gem - gem, i

Smartpro spge gem - gem, i

$290.00
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Gemstones flashlight super - flashlight,,

Gemstones flashlight super - flashlight,,

$31.79
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Presidium replacement probe - presidium,

Presidium replacement probe - presidium,

$74.94
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Gem tester with - tester, thermal

Gem tester with - tester, thermal

$279.30
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Gemstones flashlight super - uv,

Gemstones flashlight super - uv,

$31.74
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Gemstones flashlight super - flashlight,,

Gemstones flashlight super - flashlight,,

$31.59
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Presidium pgt gem tester ii - ii,

Presidium pgt gem tester ii - ii,

$318.00
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Portable gem tester screen - portable,

Portable gem tester screen - portable,

$22.85
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Gemlogis astro two - two-way, gem

Gemlogis astro two - two-way, gem

$379.00
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Rhg181 diamond tester - rhg181,

Rhg181 diamond tester - rhg181,

$103.78
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Diamond gemstone tester - diamond,

Diamond gemstone tester - diamond,

$7.99
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Portable diamond gem - diamond, tester

Portable diamond gem - diamond, tester

$25.69
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Pgt presidium gem tester ii - gem,

Pgt presidium gem tester ii - gem,

$325.00
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High accuracy gold silver - high, test

High accuracy gold silver - high, test

$14.49
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Gemstones flashlight super - flashlight,,

Gemstones flashlight super - flashlight,,

$48.99
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Ruby filter gem tester - gem, tool

Ruby filter gem tester - gem, tool

$25.39
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Professional diamond tester - diamond,

Professional diamond tester - diamond,

$34.93
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Gemstones flashlight super - flashlight,,

Gemstones flashlight super - flashlight,,

$31.85
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Professional gem tester - professional, ii

Professional gem tester - professional, ii

$390.15
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Gem tester pgt with - tester,

Gem tester pgt with - tester,

$577.14
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Presidium gem tester - presidium,

Presidium gem tester - presidium,

$430.00
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Desktop gem tester - desktop,

Desktop gem tester - desktop,

$268.99
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Presidium gem tester - gem,

Presidium gem tester - gem,

$370.00
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Gem tester gemstone - tester,

Gem tester gemstone - tester,

$26.99
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Portable diamond gem - diamond, tester

Portable diamond gem - diamond, tester

$14.65
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Gemstones flashlight super - uv,

Gemstones flashlight super - uv,

$50.29
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Rhg181 diamond tester - rhg181,

Rhg181 diamond tester - rhg181,

$110.00
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Diamond tester portable gem - portable,

Diamond tester portable gem - portable,

$12.00
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Rhg181 diamond tester - rhg181,

Rhg181 diamond tester - rhg181,

$162.95
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Portable diamond gem tester - diamond,

Portable diamond gem tester - diamond,

$16.99
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Rhg181 diamond tester - diamond,

Rhg181 diamond tester - diamond,

$120.64
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Portable diamond gem tester - diamond,

Portable diamond gem tester - diamond,

$22.38
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Portable diamond gem tester - gem,

Portable diamond gem tester - gem,

$23.89
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Titanium probe pen - probe,

Titanium probe pen - probe,

$113.04
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Presidium replacement probe - presidium,

Presidium replacement probe - presidium,

$74.95
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Gemstones flashlight super - gemstones, uv

Gemstones flashlight super - gemstones, uv

$31.74
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Presidium gem tester to - ii,

Presidium gem tester to - ii,

$380.00
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Instruments gem tester pgt - instruments,

Instruments gem tester pgt - instruments,

$389.31
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Gemstones flashlight super - flashlight,,

Gemstones flashlight super - flashlight,,

$31.50
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Diamond tester pen with - diamond,

Diamond tester pen with - diamond,

$95.99
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Diamond tester jeweler - tester,

Diamond tester jeweler - tester,

$16.70
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Diamond gemstone tester - gemstone,

Diamond gemstone tester - gemstone,

$9.99
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Portable diamond gem tester - portable,

Portable diamond gem tester - portable,

$22.70
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Presidium adamas diamond - diamond, &

Presidium adamas diamond - diamond, &

$90.00
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Gemstones flashlight super - uv, flashlight,

Gemstones flashlight super - uv, flashlight,

$33.99
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Gold silver diamond - gold,

Gold silver diamond - gold,

$13.98
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Instruments gem tester pgt - instruments, ii

Instruments gem tester pgt - instruments, ii

$296.63
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Gem tester presidium pgt - presidium, ii

Gem tester presidium pgt - presidium, ii

$523.07
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Diamond gemstone tester - diamond,

Diamond gemstone tester - diamond,

$8.99
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Kooingtech rhg181 diamond - rhg181,

Kooingtech rhg181 diamond - rhg181,

$97.15
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Portable diamond gem - diamond, tester

Portable diamond gem - diamond, tester

$24.02
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Compact diamond gem - compact,

Compact diamond gem - compact,

$35.99
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Portable diamond gem - portable, tester

Portable diamond gem - portable, tester

$14.16
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Replacement probe pen ps2 - replacement, ps2-2

Replacement probe pen ps2 - replacement, ps2-2

$75.00
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High accuracy gold silver test - silver,

High accuracy gold silver test - silver,

$14.45
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Flashlight for gemstone - flashlight,

Flashlight for gemstone - flashlight,

$14.99
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Portable diamond gem tester - gem,

Portable diamond gem tester - gem,

$18.99
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Ilpo 787 handheld polariscope - ilpo-787,

Ilpo 787 handheld polariscope - ilpo-787,

$33.90
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High accuracy gold silver - high, test

High accuracy gold silver - high, test

$23.39
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Easy use diamond - easy-to-use, selector

Easy use diamond - easy-to-use, selector

$14.39
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Gemstones flashlight super - uv,

Gemstones flashlight super - uv,

$35.99
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High accuracy gold - high, silver

High accuracy gold - high, silver

$16.99
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Diamond tester professional - diamond, tester,

Diamond tester professional - diamond, tester,

$9.16
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Professional diamond tester - professional,

Professional diamond tester - professional,

$18.13
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Accurate gem tester for - accurate,

Accurate gem tester for - accurate,

$33.99
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Presidium replacement probe - presidium,

Presidium replacement probe - presidium,

$105.02
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Portable diamond gem tester - portable,

Portable diamond gem tester - portable,

$13.07
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Portable diamond gem tester - portable,

Portable diamond gem tester - portable,

$22.93
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Portable diamond tester - portable,

Portable diamond tester - portable,

$15.21
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High accuracy gold - gold, silver

High accuracy gold - gold, silver

$14.99
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Efficient gem tester for - tester,

Efficient gem tester for - tester,

$519.86
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Diamond tester pen - diamond,

Diamond tester pen - diamond,

$12.98
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Rhg181 diamond tester jewelry - diamond,

Rhg181 diamond tester jewelry - diamond,

$107.50
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Portable diamond gem tester - diamond,

Portable diamond gem tester - diamond,

$23.31
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Gemstones flashlight super - uv, flashlight,

Gemstones flashlight super - uv, flashlight,

$36.99
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High accuracy diamond tester - high,

High accuracy diamond tester - high,

$27.05
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High accuracy gold silver test - high,

High accuracy gold silver test - high,

$15.45
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Puritest diamond selector - diamond,

Puritest diamond selector - diamond,

$69.50
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Portable diamond gem tester - gem,

Portable diamond gem tester - gem,

$9.30
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Diamond tester jewelry - diamond,

Diamond tester jewelry - diamond,

$102.88
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Gemstones flashlight super - flashlight,,

Gemstones flashlight super - flashlight,,

$34.49
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Sterling silver ring - ring, with

Sterling silver ring - ring, with

$27.07
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Professional diamond tester - professional,

Professional diamond tester - professional,

$14.28
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Gemstones flashlight super - flashlight,,

Gemstones flashlight super - flashlight,,

$35.99
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Rhg181 diamond tester - tester, &

Rhg181 diamond tester - tester, &

$134.99
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Professional diamond tester - professional,

Professional diamond tester - professional,

$40.74
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📊96 listings · from $5.99 · avg $103.94
⚠️ These listings were last updated more than 9 days ago. Search for fresh listings

Browse 96 gem tester listings currently in our index. Prices range from $5.99 to $577.14, with an average of $103.94. Whether you are hunting for a bargain or looking for a top-spec model, the selection below covers all price points — new, used and refurbished. More about gem tester →

Try this: graphite crucible | jewelers desk | jewellery casting machine | jewelry centrifuge | ring stretcher | ring stretcher reducer | jewellers rolling mill | casting furnace | copper foundry | copper smelter

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< $25 $25 – $50 $50 – $100 $100 – $200 $200 – $500 > $500

Everything you need to know about gem tester

Whether you are looking for a brand-new or second-hand gem tester, eBay offers one of the largest selections available online. With 96 active listings at the time of this page's last update, you have plenty of choice across different conditions, sellers and price points. The cheapest option currently starts at $5.99, while premium listings can reach $577.14 — giving you a wide budget spread to work with. The average price of $103.94 can serve as a useful benchmark: listings below this tend to be used or auction-style, while those above often include extra accessories, warranties, or are sold by professional sellers with high feedback scores. Always check the seller's feedback rating and return policy before committing to a purchase. If you need the item quickly, filter by "Buy It Now" to avoid the uncertainty of auctions. For used items, look closely at the condition description and photos — terms like "good", "very good" and "like new" can mean very different things depending on the seller.

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