Calibrating the scale. any tips? was i supposed to buy weights? i’m so fresh to this. thank you for help, it’s not wasted.

You shouldn't have to calibrat your scales as long as what you are weighing is the only thing on the scales. If you have the item in a container you will want to weight the container empty then weight the item together and subtract the weight of the container or put an empty container on your scales and leave it there and set your scales to 0.00 to get the weight of the item being weighted. I hope this helps you.

Will it work on rough diamond in the field?

A diamond rather it’s uncut or cut, should register the same. Sorry we really haven’t had a chance to test it yet. Sorry we can’t help you more.

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Diamond Tester Pen, High Accuracy Jewelry Diamond Tester＋200g/0.01g Mini Jewelry Scale＋60X Mini LED Magnifying, Professional Diamond Selector for Novice and Expert, Thermal Conductivity Meter

Product ID: 652719761

💎High-precision thermal conductivity diamond tester

🔍60X LED illuminated magnifying loupe

⚖️200g/0.01g ultra-accurate mini jewelry scale

$69.79

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Description

💼 Elevate your gem game: precision testing meets sleek portability!

SAFE USER FRIENDLY - Non-destructive testing with intuitive operation and energy-saving auto-off for hassle-free use.
COMPACT TRAVEL READY - All-in-one portable kit fits effortlessly in your purse or backpack—perfect for flea markets and auctions.
ENHANCED CLARITY INSPECTION - 60X LED magnifier reveals every detail, ensuring your stones sparkle with verified clarity.
PRECISION WEIGHT MEASUREMENT - Mini jewelry scale with 0.01g readability and 6 units for flawless gem appraisal on the go.
INSTANT GEMSTONE AUTHENTICATION - Detects diamonds, sapphires, rubies & more with professional-grade accuracy—no expertise needed.

This professional-grade Diamond Tester Pen combines high-accuracy thermal conductivity testing with a 200g/0.01g mini jewelry scale and a 60X LED magnifying loupe. Designed for both novices and experts, it quickly authenticates diamonds and multiple gemstones, measures precise weights in six units, and inspects clarity with bright LED illumination. Compact and portable, it’s ideal for jewelry professionals, collectors, and savvy shoppers seeking reliable, on-the-spot verification.

Specifications

ASIN	B0B1HLJR57
Best Sellers Rank	#56,003 in Home & Kitchen ( See Top 100 in Home & Kitchen ) #550 in Beading & Jewelry-Making
Country of Origin	India
Generic Name	Diamond Tester Pen
Item Dimensions LxWxH	15 x 5 x 4 Centimeters
Item Weight	358 g
Item model number	ABD-H4-45
Manufacturer	Szxhf

Reviews

S**H

Good Product

Good product All elements are working properly

8.11.2025

D**A

Usefull

Good 👍

9.10.2025

J**A

Bogas

Botel tutu

2.04.2026

M**H

Not working product

17.12.2025

V**S

Not working

Diamond tester is not working properly weight machine also not working I want to product return

1.07.2025

C**P

Mum

A bit too expensive

6.04.2025

P**.

Diamond tester

I was confused because this is meant to be a diamond tester but I placed it on metal by accident and it hit the top telling me that the metal was a diamond crazy right😵‍💫

3.05.2026

D**L

It works

Highly recommend this product very easy to use. Instructions were easy to understand. Great value for the price durability is good. Packaging is good. The accuracy on this product was good as well. I would recommend this to anyone that is wanting to check any type of jewelry diamonds, etc. great product. For the money.

20.02.2026

M**E

Bon détecteur

le détecteur et la balance sont tres biens,c'est la loupe qui laisse a désirer.Suis contente quand meme de mon achat.

14.02.2023

A**R

Not sure about this

The unit works, but testing a diamond, zirconia is all shown as a positive diamond. So, it works, but not correctly.

24.01.2024

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Yes, all products are sourced directly from authorized retailers in the US, UK, UAE and India. We maintain strict quality control processes and verify each product before shipping. All items come with applicable manufacturer warranties and are covered by our standard return policy.

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Our prices include the product cost, international shipping, import duties, customs clearance, and local delivery charges. We handle all customs and import procedures, ensuring there are no hidden fees upon delivery. PRO members receive additional benefits including free shipping.

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$69.79

Duties & taxes included

In stock

Sold byAmazon USADelivered byDesertcartCustomer service byDesertcartReturns14 days · 30 with PRO

Buyer Protection · Full refund if your order doesn't arrive as described.

Desertcart purchases this item on your behalf and handles shipping, customs, and support to USA.

Secure transaction

Trustpilot

TrustScore 4.5 | 7,300+ reviews

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Very impressed with the quality and fast delivery. Will shop here again.

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