05:44
Gemasign Gem review
14:43
Gemasign Gem Tester -- Testing Green Diamond
12:52
Gemasign Gem Tester -- Testing Natural Jadeite vs Natural Green Quarzite
14:18
Gemasign Gem Tester -- Testing Natural Ruby vs Synthetic Ruby (flame fusion)
13:24
Gemasign Gem Tester -- Testing Natural Purple Sapphire vs Synthetic Purple Cubic zirconia
11:34
Gemasign Testing Natural Diamond vs Synthetic CVD Diamond
13:23
Gemasign Ratna Gem Tester - Testing Sapphire vs Tanzanite
08:02
Gemasign Ratna Gem Tester - Testing Tourmaline vs Halite Ruby
11:53
Gemasign Ratna Calibration
10:37
Gemasign - part 2 (Ratna Testing Device)
13:56
Gemasign - Ratna Testing Natural vs Synthetic Ruby
05:33
Gemasign Intro - World's first GEMLAB-in-a BOX
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About
GEMASIGN Inc Product provides
Instant detection of all GEMs including mined and lab-created diamonds in a few seconds.
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