GEM
ORO PRO-M 3
2
3
The GemOro
PRO-M 3
is the ultimate
tester for diamond fraud protection!
The PRO-M 3 features exclusive
UV-
F1 TECHNOLOGY™
and is capable of
identifying the widest range of the
electrically conductive moissanite
material available, including the new
super-low electrically conductive
Forever One moissanite.
OPERATING PROCEDURE
& OWNERS MANUAL
Congratulations on your purchase
of the PRO-M 3 from GemOro
Superior Instruments, the most
trusted name in gemological
instrumentation for the jewelry
industry. You’ve made a great
choice. Built upon the foundation
of the second generation and most
popular moissanite tester to date,
the PRO-M 3 offers even more.
Identify moissanite with confidence.
IMPORTANT: PLEASE BE CERTAIN
TO READ THE FOLLOWING
COMPLETELY BEFORE USING.
ELECTRICAL CONDUCTIVITY
TESTING METHODS
The recognized, most practical way
for separating the vast majority of
moissanite gemstones from diamond
is the electrical conductivity test;
since most moissanite conducts
electricity, while diamonds, as well
as other known diamond simulants
do not. It should be noted that while
the vast majority of moissanite may
be electrically conductive, in some
moissanite gemstones there might
only be electrical conductivity in
varying degrees. Further, with the
READ BEFORE USING
A high percentage of the
new generation, super-low
electrically conductive Forever
One or “F1” moissanite that
was introduced in late 2015
will incorrectly be identified
as diamond when tested on a
traditional combination electrical
and thermal conductivity
tester. However, your PRO-M
3 electrical conductivity tester
uses the new patented UV-
F1 TECHNOLOGY™, and it is
exclusively calibrated to identify
this faint electrical conductivity
property. Please note that the
new Forever One moissanite
can no longer be easily visually
identified, as it is now D-E-F
“colorless”, with few inclusions.
Be aware that body oil is also
electrically conductive. Due to
the tester’s enhanced sensitivity
for electrical conductivity, dirty
diamonds may potentially test
as moissanite. To avoid false/
positive readings on dirty
diamonds, ALWAYS CLEAN
THE STONE by simply wiping
the body oil off on the provided
STONE TESTING CLOTH prior to
performing a test. Periodically,
also clean any accumulated
body oil off of the probe tip by
gently rubbing it on a piece of
uncoated paper - SEE MANUAL.
NEED HELP? Call GemOro
at
800.527.0719
for
immediate assistance.