Grey Gemstones

No Reserve Price - 1 pcs Multicolour, Grey Opal - 8.17 ct - International Colored Gemstone Association (ICA GemLab) - Snake Skin Pattern

Current bid

€3

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

Current bid

€380

1 pcs Blue, Grey Star Sapphire - 17.79 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

Starting bid

€1

No Reserve Price Multicolour, Grey Opal - 20.75 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

Current bid

€5

No Reserve Price - 1 pcs Green, Red, Grey, Orange Opal - 8.56 ct - International Gemological Institute (IGI) - Semi Black Green fire

Current bid

€2

3 pcs Grey Spinel - 3.83 ct - Instituto Gemólogico Español (IGE) - Undiagnosed

Starting bid

€1

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

Starting bid

€1

No reserve price Grey Opal - 17.05 ct - Instituto Gemólogico Español (IGE) - Intense Color Play

Starting bid

€1

No Reserve Price - 1 pcs Grey, Red, Green Opal - 7.27 ct - International Colored Gemstone Association (ICA GemLab) - Semi Black Patch Work Pat

Starting bid

€1

1 pcs Multicolour, Grey, Black Opal - 34.71 ct - International Gemological Institute (IGI) - Semi Black Top Quality

Current bid

€1

No Reserve Price Grey Opal - 16.88 ct - International Colored Gemstone Association (ICA GemLab) - Rare Untreated Pattern

Current bid

€25

1 pcs Multicolour, Grey, Red, Green Opal - 15.57 ct - International Gemological Institute (IGI) - Rare ! Honey Comb Pattern

Starting bid

€1

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

Current bid

€1

No Reserve Price - 1 pcs Grey Spinel - 2.28 ct - International Gemological Institute (IGI) - NATURAL SPINEL

Starting bid

€1

1 pcs White, Grey, Red, Green Opal - 24.33 ct - International Colored Gemstone Association (ICA GemLab) - Rare Honey Comb Pattern !

Current bid

€370

No Reserve Price Grey Opal - 19.58 ct - International Gemological Institute (IGI) - Ultra Rare Play Of Colors

Starting bid

€1

1 pcs Grey Tourmaline - 6.25 ct - Gemological Institute of America (GIA) - Rare

Starting bid

€1

No Reserve Price Multicolour, Grey Opal - 12.76 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Dark Based

Current bid

€1

Grey Opal - 17.79 ct - International Gemological Institute (IGI) - Fine Play Of Colours

Starting bid

€1

No Reserve Price Violet, Grey Spinel - 4.42 ct - International Gemological Institute (IGI)

Starting bid

€1

No Reserve Price - 3 pcs Violet, Pink, Orange, Grey Spinel - 2.04 ct - Instituto Gemólogico Español (IGE)

Starting bid

€1

No Reserve Price - 1 pcs Multicolour, Grey, Orange Opal - 10.35 ct - International Gemological Institute (IGI) - Rare ! Snake Skin Pattern

Starting bid

€1