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13.18 ct Awe-inspiring Fancy Shape (18 x 15 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone

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13.18 ct Awe-inspiring Fancy Shape (18 x 15 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone

Special Price $92.99 Regular Price $139.99
In stock
SKU
214246
Rare Stone! Mined From Earth! Unheated / Untreated Multi Color Color
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SKU214246
Gem TypeOpal - Boulder Opal
Quantity in stock1 item(s) available
ColorMulti Color
ShapeFancy
Size/Dimension (L x W)18.35 x 15.16 x 6.26 mm
Weight13.18 cts
ClarityTranslucent
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)