They measure about -5x7MMStone - OpalShape - OvalQuality -AAAOrigin -EthiopiaAverage Stone Weight - 0.50cts
Stone - OpalShape - MIXQuality -AAAOrigin -EthiopiaAverage Stone Weight - 2cts
Stone - OpalShape - MixQuality -AAOrigin -EthiopiaAverage Stone Weight - 1.20cts
Stone - OpalShape - MixQuality -AAOrigin -EthiopiaAverage Stone Weight - 3.75cts
They measure about -7x9MMStone - OpalShape - OvalQuality -AAAOrigin -EthiopiaAverage Stone Weight - 1ct