QUALITY
SCALE
IOLITES
Untreated |
 |
|
HOW
TO CHOOSE
When choosing an iolite, look
for a highly transparent gem
with a beautiful violet-blue
color. Since it is basically
a low-priced gemstone, it is
best to insist on gem quality
when looking for a faceted iolite.
Because of iolite’s extreme
pleochroism, a stone that appears
blue face-up will look washed-out
when viewed at an angle, changing
its appearance drastically.
It is necessary to look at the
stone from different angles
to confirm its appearance. This
is a characteristic of iolite,
and an awareness of its different
appearances adds to its enjoyment.
Whether faceted or cabochon-cut,
extremely dark iolites with
tones of 7 or more should be
avoided. A tone of 3 is recommended
for qualities other than gem
quality.
The value of a three-carat-size
iolite of jewelry quality is
approximately US $200 for the
stone alone. (2001) |
| A
GEM OF VALUE |
|
Weight
: 1.86 ct
Size (mm) : L
10.0 x W 8.1x
D 4.47
Untreated
Gem Quality
US $300 |
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