Grey Gemstones

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

Current bid

€45

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

Current bid

€5

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

Current bid

€36

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

Starting bid

€1

1 pcs Blue, Grey Spinel - 3.39 ct - Asian Institute of Gemological Sciences (AIGS) - Fine Quality

Current bid

€1

No reserve price - 1 pcs Grey Spinel - 2.00 ct - International Gemological Institute (IGI) - NATURAL SPINEL

Current bid

€1

Grey, Multicolour Opal - 20.67 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

Current bid

€279

Grey Opal - 28.40 ct - International Colored Gemstone Association (ICA GemLab) - Ultra Rare Fine Honeycomb

Current bid

€5

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

Current bid

€11

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

Current bid

€17

5 pcs Grey Spinel - 5.35 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

Starting bid

€1

Multicolour, White, Grey Opal - 30.87 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

Current bid

€413

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

Starting bid

€1

No reserve price - 1 pcs Grey Opal - 10.84 ct - International Gemological Institute (IGI) - NATURAL OPAL

Current bid

€35

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

Current bid

€20

No reserve price - 1 pcs Grey Spinel - 2.10 ct - International Gemological Institute (IGI) - NATURAL SPINEL

Current bid

€4

No reserve price Grey Opal - 33,37 ct - Instituto Gemólogico Español (IGE) - Color Game

Current bid

€84

1 pcs Multicolour, Orange, Green, Red, Grey, Black Opal - 18.61 ct - International Gemological Institute (IGI) - Rare Semi Black Opal

Current bid

€55