Lightning Ridge Dark Opal Gemstone 1.7cts Jewellery Grade N5 Body Tone B4 Brightness Rolling Green / Blue fires 10x6x3mm WAC68

This is nice Dark Base Knobby opal Gemstone of Lightning Ridge N5  Bodytone and B4 Brightness (B1-B7 = B1 being brightest)  Stunning Green & Blue fires  Good Cut and Polish Ready For Setting. Medium dome Prefect Ring stone PLEASE NOTE TINY SAND INCLUSION TO FACE Details: WAC68 Weight: 1.7cts Grade: HIGH GRADE Source: NSW Australia Field:  Lightning Ridge Size: 10x6x3mm Shape: Freeform Oval Brightness : B4  (B1-B7 / B1 being brightest)  Type: N5 Dark Opal (Semi Black) Colours: Nice Green/blue colours Pattern:  Rolling Flash mix of patterns State :Good Cut and Polish. Ready for Setting Solid, Natural, Untreated Opal