Natural precious opal from Australia (Lightning Ridge) 12,3x7,9x2,4mm, 1,58ct
Natural precious opal from Australia (Lightning Ridge) 28x16x6mm, 23ct
Natural precious opal from Australia (Lightning Ridge) 13,2x10x4mm, 3,4ct
Natural precious opal from Australia (Lightning Ridge) 19x18x3,5mm, 8,8ct
Natural precious opal from Australia (Lightning Ridge) 27,5x12,8x4,4mm, 7,8ct
Natural precious opal from Australia (Lightning Ridge) 32x23x7mm, 42ct
Natural precious opal from Australia (Lightning Ridge) 31x22x6,2mm, 21,6ct
Natural precious opal from Australia (Lightning Ridge) 40,3x32x6,3mm
Natural precious opal from Australia (Lightning Ridge) 11x7,2x3,2mm, 1,6ct
Natural precious opal from Australia (Lightning Ridge) 19x17x4,6mm, 14ct
Natural precious opal from Australia (Lightning Ridge) 20,7x16,4x6,9mm, 26,5ct
Natural opal from Australia (Lightning Ridge) 20,6x16,9x6,6mm, 14ct
Natural precious opal from Australia (Lightning Ridge) 12,5x7,6x3,4mm, 1,84ct
Natural precious opal from Australia (Lightning Ridge) 16,6x11,7x5mm, 5ct
Natural precious opal from Australia (Lightning Ridge) 16,9x11x2,4mm, 2,57ct
Natural precious opal from Australia (Lightning Ridge) 8,5x5x2,2mm, 0,51ct
Natural precious opal from Australia (Lightning Ridge) 7,8x6,5x3mm, 0,93ct
Natural precious opal from Australia (Lightning Ridge) 15x7x2mm, 1,3ct
Natural precious opal from Australia (Lightning Ridge) 14,6x5x2,8mm, 1,25ct
Natural precious opal from Australia (Lightning Ridge) 9,9x7x4mm, 1,41ct
Natural precious opal from Australia (Lightning Ridge) 9,8x6,4x1,7mm, 0,67ct
Natural precious opal from Australia (Lightning Ridge) 12,4x7x3,4mm, 2ct
Natural precious opal from Australia (Lightning Ridge) 16,5x6,9x3,8mm, 2ct
Natural precious opal from Australia (Lightning Ridge) 11,4x6,1x1,4mm, 0,51ct
Natural precious opal from Australia (Lightning Ridge) 13x9,7x3,5mm, 2,4ct
Natural precious opal from Australia (Lightning Ridge) 11,6x10,9x2,8mm, 2,4ct
Natural precious opal from Australia (Lightning Ridge) 16,9x11,5x4,5mm, 4,56ct
Natural precious opal from Australia (Lightning Ridge) 13,9x9x4,5mm, 3ct
Natural precious opal from Australia (Lightning Ridge) 12,2x8,7x3,3mm, 1,86ct
Natural precious opal from Australia (Lightning Ridge) 10x7,3x3,6mm, 1,49ct
Precious opal from Ethiopia - Wello - 15,7x9x4,9mm,...