Grey Gemstones

1 pcs Grey, Yellow Alexandrite - 1.14 ct - International Gemological Institute (IGI)

Current bid

€200

No reserve price - 2 pcs Purple, Violet, Grey Spinel - 2.52 ct - International Gemological Institute (IGI) - Lot 2 spinels

Current bid

€59

No reserve price - 1 pcs Multicolour, Grey, Black Opal - 9.51 ct - International Gemological Institute (IGI) - Clours Of Rains Pattern

Current bid

€25

No reserve price Grey Opal - 14.27 ct - International Colored Gemstone Association (ICA GemLab) - Rare Untreated Pattern

Starting bid

€1

1 pcs Grey, Red, Green Opal - 48.34 ct - International Gemological Institute (IGI) - Semi Black Honeycomb Patn

Starting bid

€1

1 pcs Grey, Purple Sapphire - 6.00 ct - Gemological Institute of America (GIA)

Starting bid

€1

Orange, Grey Opal - 39.33 ct - International Gemological Institute (IGI) - Fine Play Of Colours

Current bid

€36

1 pcs Multicolour, Orange, Grey Opal - 37.96 ct - International Gemological Institute (IGI) - Rare ! Snake Skin Pattern

Starting bid

€1

1 pcs Multicolour, Green, Orange, Red, Grey Opal - 15.42 ct - International Gemological Institute (IGI) - Semi Black Flash Pattern

Starting bid

€1

No reserve price - 1 pcs Grey Opal - 14.14 ct - International Gemological Institute (IGI) - NATURAL OPAL

Current bid

€115

No reserve price - 1 pcs Blue, Grey Spinel - 2.27 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

Starting bid

€1

No reserve price Grey Opal - 18.09 ct - Instituto Gemólogico Español (IGE) - Color Game

Current bid

€3