10 Best Diamond Testers

Updated September 2025

Top Choice

1.

Best High Accuracy Diamond Tester Professional Jeweler for Novice and Expert - Diamond

9.6

View Price

2.

HDE High Accuracy Professional Jeweler Diamond Tester For Novice and Expert,Diamond Selector II

9.5

View Price

Compare prices

3.

Diamond Tester Pen,WECHIC High Accuracy Professional Jeweler Diamond Tester for Novice and Expert

9.3

View Price

4.

HDE Jeweler Tool Kit Diamond Selector V2 Portable Tester + 45X Illuminated LED

8.8

View Price

lowest price

5.

StillCool Diamond Tester II V2 Selector Gemstone Jewelry Gems Tool with Case

8.6

View Price

6.

High Accuracy Diamond Tester Professional Jeweler for Novice and Expert - Diamond Selector

8.2

View Price

Compare prices

7.

Professional Diamond Selector II, Gem Tester Pen Portable Electronic Diamond Tester Tool

7.9

View Price

8.

High Accuracy Diamond Tester, Professional Jeweler Diamond Selector for Novice and Expert

7.7

View Price

9.

HEYMOUS Diamond Tester High Accuracy Portable Diamond Detective Test Kit with Gem Tester

7.5

View Price

Compare prices

10.

Diamond Tester＋60X LED Magnifying Glasses Jeweler Tool Kit Combo，for Novice and Expert

7.2

View Price

Other products you may be interested in

Ph Testers