The 5 Best colored gemstone testers (2023 reviews)

We are personally inclined towards tekcoplus colored gemstone tester, it is not so pricy, but it overachieves its purpose and outstanding in important aspects. This professional 2pt jewel stone combo tester kit is the perfect device for accurately identifying diamonds, moissanites, metals, and gemstones. It comes with their exceptional beauty and rarity, diamonds have become a symbol of love and devotion, and are often used in engagement rings and other fine jewelry. It features and intuitive design make it the perfect choice for anyone looking to maximize their productivity.

This dual diamond/moissanite tester is very accurate. It comes with this tool, users can quickly and accurately identify the authenticity of a stone, ensuring that they are getting what they paid for. It's a little chunky, and you have to learn how to hold it precisely to get accurate results from testing. It is easy to use with clear and concise instructions included. It comes with a quick and efficient warm-up time of only about 25 seconds, so you can get to work right away and make the most of your valuable time.

Why We Like This:

Come in many colours such as brown, blue, orange, red, pink and black
Works best on big stones not on smaller stones
One of the new comers and featured product

Best Runner up: Szxhf colored gemstone Tester

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If you often find yourself scrambling for good tester, szxhf colored gemstone tester should be your first option for buying. This gemstone testing equipment is not only a diamond tester, but also a multi gemstone tester. It can detect if a gemstone is real or fake, including. It has 200 grams max weight capacity and reads weights in increments of 0.01g. It comes with its own convenient carrying cases.

The Portable Diamond Tester Pen and 60X LED Lighted Loupe each come with its own convenient carrying cases. The pocket size is convenient to carry, you can use it in everywhere with a faux leather pouch, can protect it from scratch, attrition, etc. It provides enough light at any dim conditions. Alternatively, its also a great tool to have when testing your own jewelry.

Why We Like This:

A must for someone who has jewelry
Perfect for food, tablets, powder, gemstones, coins, jewelry, weed, gold, silver, coins and etc
High precision sensors make sure the accuracy
Energy saving by 3 minutes auto-off function

Best little Tester: Ketar colored gemstone Tester

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Simple calibration for stones of various sizes the jewelry tester silver and diamond tester are easy to use even for a new beginner, tester electronic pen is also a great tool to have when testing your own jewelry. The gem and diamond tester is designed to indicate genuine diamond or fake, working time is about 2 hours of continuous use.

The gemstone tester pen dimensions are 6.6 Inches long, 1.6 Inches wide, and 0.8 Inches thick. The tester indicates genuine diamond or fake, the jewelry tester meter is designed and manufactured according to the thermal conductivity of diamond, the fake crystal, and a simulant such as cubic zirconia does not have any reaction. You will be able to know in a few seconds whether an item is fake or not, there are the LED indicator and the audible signal a red light will be displayed and an audible indicator will sound if the stone is a real diamond. It comes with a vinyl protection case.

Why We Like This:

Wide uses of electronic diamond tester
Great little tester that comes with little vinyl protection case
Easy to operate jade jewelry tester
Excellent product to detect validation of stones

Best primary Tester: Smartpro colored gemstone Tester

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We know from years of feedback from readers, customers and amazon sellers, what most people want in a convenient and appropriate tester. The smartpro colored gemstone tester is exactly that - it's a simple tester that hits all the right notes. It is a remarkable designed gemstone tester with color estimator display for smoothly and seamlessly testing your precious stone and diamond. It will detect lab created gems, and naturally made gems. It is heated electronically, while the other is cooled by the gemstone being tested. It also has a fantastic little manual for which the other unit does not. It can tell you the difference between blue topaz and aquamarine. It is easy to use and not too difficult to understand. It is great for determining whether or not a gem is diamond, topaz, crystal glass, etc.

Why We Like This:

Identifies metals, simulants and diamonds instantly
Best used for faceted stones indoors
Portable tester that can be used anywhere
Needle points to glass just by waving the pen around

Best value For money: Gemoro colored gemstone Tester

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Next on the list, we've got yet another tester that manages to win our hearts. It's the gemoro colored gemstone tester and it's widely considered as one of the best value for money tester you can buy. The Gemoro Testerossa uses patented technology to be able to successfully identify the ultra-low electrical frequencies that the Forever One stones have. It comes with its intuitive finger grip pads and fast warm-up time, the testerossa is the best in its class. It tests moissanite better than anything else, even the hard to test stones.

The Testerossa's sleek ergonomic shape comfortably rests in your hand and its led stone illumination makes it even easier to see what you're testing. It comes with rechargeable batteries which are dead upon arrival and a base for recharging the batteries. The docking station for recharging the batteries keeps the tester from being knocked off the counter and keeps it charged at all times, while in easy reach. The ring tones are great for identifying too.

Why We Like This:

Ability to use aaa batteries or usb cord is an excellent idea
Very convenient for trade shows, rummanging, antique shows
New enhanced moissanite testing technology for low conductivity stone identification
Indestructible polycarbonate housing with molded rubber base for increased impact resistance if dropped