Spinel Value
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Blue - Fine Color Blue: B 5/5
.5 to 2 carats
Faceted
to /ct
2 to 4 carats
Faceted
to /ct
4 carats plus
Faceted
to /ct
Red - Fine Color Red: R, slpR 5/5
.2 to 1 carat
Faceted
to /ct
1 to 5 carats
Faceted
to /ct
Pink
.5 to 1 carats
Faceted
to /ct
1 to 3 carats
Faceted
to /ct
3 carats plus
Faceted
to
Purple - Fine Color Purple: P 5/5: P, rP, bP, V 5/4
.5 to 1 carats
Faceted
to /ct
1 to 3 carats
Faceted
to /ct
3 carats plus
Faceted
to /ct
Other Colors - Fine Color Orange: O, rO 5/5
.5 to 1 carats
Faceted
to /ct
1 to 5 carats
Faceted
to /ct
5 carats plus
Faceted
to /ct
Star Spinel
All Sizes
Star Spinel
to /ct
Accompanying value information:
The International Gem Society (IGS) has a list of businesses offering gemstone appraisal services.

Man Sin mine “Jedi spinels,” Mogok. Photo by Jeffery Bergman. © EighthDimensionGems.com of Bangkok.