No reserve price Green, Blue, Colourless Opal - 10.26 ct - Antwerp Laboratory for Gemstone Testing (ALGT)
1 pcs White, Multicolour, Green, Blue, Red Opal - 23.61 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Big Honeycomb pattern
Grey, Multicolour Opal - 13.56 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Play of Color (Vivid)