7.78 ct Phenomenal Fancy Shape (24 x 13 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone

Special Price $210.99 Regular Price $319.99
In stock
SKU
217045
Rare Stone! Mined From Earth! Unheated / Untreated Multi Color Color






SKU217045
Gem TypeOpal - Boulder Opal
Quantity in stock1 item(s) available
ColorMulti Color
ShapeFancy
Size/Dimension (L x W)23.86 x 13.39 x 2.79 mm
Weight7.78 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)