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17.75 ct Mesmerizing Fancy Shape (26 x 19 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone

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17.75 ct Mesmerizing Fancy Shape (26 x 19 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone

Special Price $323.99 Regular Price $489.99
In stock
SKU
218634
Rare Stone! Multi Color Color Orgin From Australia Mined From Earth!!
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SKU218634
Gem TypeOpal - Boulder Opal
Quantity in stock1 item(s) available
ColorMulti Color
ShapeFancy
Size/Dimension (L x W)25.88 x 19.18 x 5.32 mm
Weight17.75 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)