Natural precious opal from Australia (Lightning Ridge) 13,6x7,8x3mm, 2,2ct
Natural precious opal from Australia (Lightning Ridge) 14,8x7,9x4mm, 2,66ct
Natural precious opal from Australia (Lightning Ridge) 19,9x11,7x2,9mm, 3,86ct
Natural precious opal from Australia (Lightning Ridge) 22,2x12,4x5,6mm, 9,39ct
Natural precious opal from Australia (Lightning Ridge) 10,9x8,2x2,5mm, 1,36ct
Natural precious opal from Australia (Lightning Ridge) 16,7x10,3x2,4mm, 2,64ct
Natural precious opal from Australia (Lightning Ridge) 18,6x10,5x2,1mm, 2,33ct
Natural precious opal from Australia (Lightning Ridge) 12,2x5,6x2,3mm, 1ct
Natural precious opal from Australia (Lightning Ridge) 8,6x5,5x2mm, 0,65ct
Natural precious opal from Australia (Lightning Ridge) 11,4x5x1,6mm, 0,61ct
Natural precious opal from Australia (Lightning Ridge) 12,3x7,9x2,4mm, 1,58ct
Natural precious opal from Australia (Lightning Ridge) 12,2x6,6x2,3mm, 1,21ct
Natural precious opal from Australia (Lightning Ridge) 10,8x10,5x2,1mm, 1,52ct
Natural precious opal from Australia (Lightning Ridge) 17,9x8,7x2mm, 1,81ct
Natural precious opal from Australia (Lightning Ridge) 14,2x7,8x2,7mm, 2,6ct
Precious opal from Ethiopia 15,7x11,7x5,9mm, 6,25ct
Precious opal from Ethiopia 15x11,4x5,3mm, 4,19ct
Precious opal from Ethiopia 14x8x4,9mm, 2ct
Natural precious opal from Australia (Lightning Ridge) 34x23,8x5mm, 22,4ct
Natural precious opal from Australia (Lightning Ridge) 8,2x5,1x1,3mm, 0,27ct
Natural precious opal from Australia (Lightning Ridge) 13x5,8x2,3mm, 0,93ct
Natural precious opal from Australia (Lightning Ridge) 6x3mm, 0,67ct
Natural precious opal from Australia (Lightning Ridge) 13,4x6,5x2,2mm, 1ct
Natural precious opal from Australia (Lightning Ridge) 11,4x7,2x1,3mm, 0,63ct
Natural precious opal from Australia (Lightning Ridge) 11,5x10x2mm, 1,31ct
Natural precious opal from Australia (Lightning Ridge) 17,5x7,5x2,1mm, 1,65ct
Natural precious opal from Australia (Lightning Ridge) 19,4x8,9x3,2mm, 3,84ct
Natural precious opal from Australia (Lightning Ridge) 19,9x11,6x3,7mm, 5,55ct
Natural precious opal from Australia (Lightning Ridge) 20,7x14x3,6mm, 6,3ct
Natural precious opal from Australia (Lightning Ridge) 20,2x9,4x2,2mm, 2,77ct
Natural precious opal from Australia (Lightning Ridge) 20,7x12,2x3,6mm, 5,48ct
Natural precious opal from Australia (Lightning Ridge) 16,8x13x4,7mm, 7,13ct
Natural precious opal from Australia (Lightning Ridge)...