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12.33 ct Super-Excellent Fancy Shape (21 x 17 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone

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12.33 ct Super-Excellent Fancy Shape (21 x 17 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone

Special Price $94.99 Regular Price $149.99
In stock
SKU
217550
Rare Stone! Mined From Earth! Unheated / Untreated Multi Color Color
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SKU217550
Gem TypeOpal - Boulder Opal
Quantity in stock1 item(s) available
ColorMulti Color
ShapeFancy
Size/Dimension (L x W)20.95 x 17.04 x 5.04 mm
Weight12.33 cts
ClarityOpaque
Number of Pieces1
LusterExcellent
OriginAustralia
TreatmentUnheated / Untreated
Refractive Index1.37-1.47
Specific Gravity2.1
Chemical CompositionSiO2.nH2O
None
IGI Certificate (Processing Time 10 days) ($75)
GIA Certificate (Processing Time 10 days) ($125)
GRS Certificate (Processing Time 15 days) ($125)
FREE of cost, if offered Certificate for this item ($0)
GIL Certificate (Processing Time 5 days) ($20)
AIG Certificate (Processing Time 5 days) ($20)