17.68 ct Exquisite Fancy Shape (20 x 17 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone

Special Price $544.99 Regular Price $819.99
In stock
SKU
218447
RARE! Mined From Earth! Opaque Quality Multi Color Color






SKU218447
Gem TypeOpal - Boulder Opal
Quantity in stock1 item(s) available
ColorMulti Color
ShapeFancy
Size/Dimension (L x W)20.47 x 16.95 x 6.84 mm
Weight17.68 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)