Grey Gemstones

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

Starting bid

€1

No reserve price - 1 pcs Violet, Grey Spinel - 4.42 ct - International Gemological Institute (IGI)

Starting bid

€1

Grey Spinel - 1.02 ct - International Gemological Institute (IGI) - Certified IGI

Current bid

€20

1 pcs Grey, Orange, Yellow, Green, Black Opal - 11.95 ct - International Colored Gemstone Association (ICA GemLab)

Current bid

€55

1 pcs Blue, Grey Spinel - 7.72 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

Current bid

€100

No reserve price - 1 pcs Grey, Purple Spinel - 4.49 ct - International Gemological Institute (IGI) - Grayish Purple Spinel

Current bid

€24

Grey Opal - 23.52 ct - International Colored Gemstone Association (ICA GemLab) - Fine Rare Top Pattern

Starting bid

€1

No reserve price - 1 pcs Grey Opal - 22.44 ct - International Gemological Institute (IGI) - PIN FIRE PATTERN AAA OPAL

Current bid

€1

No reserve price - 1 pcs Grey Sapphire - 2.04 ct - International Gemological Institute (IGI) - NO HEAT NATURAL SAPPHIRE

Current bid

€155

1 pcs Multicolour, Orange, Grey, Green Opal - 13.32 ct - International Gemological Institute (IGI) - Neon Patch Work Pattern

Starting bid

€1

No reserve price - 1 pcs Grey Opal - 17.50 ct - International Gemological Institute (IGI)

Starting bid

€1

1 pcs Blue, Violet, Grey Sapphire - 1.00 ct - International Gemological Institute (IGI) - Color Change

Starting bid

€1

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

Current bid

€20