18.38 ct Significant Fancy Shape (28 x 14 mm) Multi Color Australian Koroit Boulder Opal Natural Loose Gemstone

Special Price $499.99 Regular Price $749.99
In stock
SKU
218466
RARE! Mined From Earth! Opaque Quality Multi Color Color






SKU218466
Gem TypeOpal - Boulder Opal
Quantity in stock1 item(s) available
ColorMulti Color
ShapeFancy
Size/Dimension (L x W)27.79 x 13.94 x 6.69 mm
Weight18.38 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)