Would you say this is a "green color" or a "blue color" ? What a beautiful combination of green and blue ... comes in a perfect size and shape for a perfect ring, love its black body and more !! High quality solid Australian black opal is only to be found at Lightning Ridge, NSW, Australia and this offer is impossible to repeat.
The shape of opal. Our opal comes in Oval, Round, Teardrop, Square, Triangle and Free Shape.
Describes the arrangement of opal's play of colour. Please see Learn About Opal to understand more.
B1 is most desired and brightest to be seen, and B7 is most darkest / dullest of all.