7.75 ct Tremendous Fancy Shape (18 x 13 mm) Play of Colors Australian Koroit Boulder Opal Natural Loose Gemstone

Special Price $24.99 Regular Price $39.99
In stock
SKU
189720
Rare Stone! Unheated / Untreated Play of Colors Orgin From Australia






SKU189720
Gem TypeOpal - Boulder Opal
Quantity in stock1 item(s) available
ColorPlay of Colors
GradeAAA+
ShapeFancy
Size/Dimension (L x W)18.00 x 12.74 x 4.00 mm
Weight7.75 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)