6.85 ct Awe-inspiring Fancy Cabochon Shape (18 x 12 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone

Special Price $130.99 Regular Price $199.99
In stock
SKU
221231
Rare Stone! Unheated / Untreated Multi Color Orgin From Australia






SKU221231
Gem TypeOpal - Boulder Opal
Quantity in stock1 item(s) available
ColorMulti Color
ShapeFancy Cabochon
Size/Dimension (L x W)17.93 x 12.29 x 3.73 mm
Weight6.85 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)