Gemstones

No Reserve Price Blue, Violet Tanzanite - 18.79 ct - Instituto Gemólogico Español (IGE)

Current bid

€164

No Reserve Price Brown Opal - 38.45 ct - Instituto Gemólogico Español (IGE) - Game of Colors

Current bid

€170

No Reserve Price Blue, Violet Tanzanite - 5.76 ct - Instituto Gemólogico Español (IGE)

Current bid

€100

No Reserve Price Brown Opal - 16.29 ct - Instituto Gemólogico Español (IGE) - Game of Colors

Current bid

€130

No Reserve Price Blue Aquamarine - 11.28 ct - Instituto Gemólogico Español (IGE)

Current bid

€79

No Reserve Price Yellow Opal - 15.60 ct - Instituto Gemólogico Español (IGE) - Game of Colors

Current bid

€110

No Reserve Price Blue, Green Emerald - 0.81 ct - Instituto Gemólogico Español (IGE)

Current bid

€25

No Reserve Price White Opal - 9.05 ct - International Gemological Institute (IGI) - Crystal Rainbow Flash

Current bid

€106

No Reserve Price Black Opal - 8.59 ct - Bellerophon Gemlab - No Heat ! HYDROPHANE-OPAL

Current bid

€389

No Reserve Price Blue Tanzanite - 13.07 ct - International Gemological Institute (IGI)

Current bid

€136

No Reserve Price Orange, Red Garnet - 16.84 ct - Instituto Gemólogico Español (IGE)

Current bid

€127

No Reserve Price Violet, Yellow Fluorite - 65.75 ct - Instituto Gemólogico Español (IGE)

Current bid

€120

No Reserve Price Green Emerald - 2.66 ct - International Gemological Institute (IGI)

Current bid

€85

No Reserve Price Blue, Violet Fluorite - 22.73 ct - Instituto Gemólogico Español (IGE)

Current bid

€60

No Reserve Price Blue, Green Emerald - 1.22 ct - Instituto Gemólogico Español (IGE)

Current bid

€43

No Reserve Price Blue Aquamarine - 5.96 ct - Instituto Gemólogico Español (IGE)

Current bid

€30

No Reserve Price Red, Violet Ruby - 1.08 ct - Instituto Gemólogico Español (IGE)

Current bid

€26

No Reserve Price Blue Topaz - 26.19 ct - Instituto Gemólogico Español (IGE)

Current bid

€55

No Reserve Price Violet Amethyst - 43.03 ct - Instituto Gemólogico Español (IGE)

Current bid

€35

No Reserve Price Blue, Violet Tanzanite - 8.82 ct - International Gemological Institute (IGI)

Current bid

€45

No Reserve Price Blue Topaz - 22.12 ct - Instituto Gemólogico Español (IGE)

Current bid

€31

Blue Sapphire - 1.59 ct - Certified gemologist report

Starting bid

€218

Opal - 4.93 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

Starting bid

€1

Tourmaline - 5.02 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Yellowish-Orange Color

Starting bid

€1