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5.66 ct Very good Fancy Cabochon Shape (20 x 10 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone

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5.66 ct Very good Fancy Cabochon Shape (20 x 10 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone

Special Price $112.99 Regular Price $169.99
In stock
SKU
221237
Rare Stone! Unheated / Untreated Multi Color Orgin From Australia
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SKU221237
Gem TypeOpal - Boulder Opal
Quantity in stock1 item(s) available
ColorMulti Color
ShapeFancy Cabochon
Size/Dimension (L x W)19.72 x 10.36 x 3.33 mm
Weight5.66 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)