#gemstone testing posts

Opal - 8.69 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

#antwerp laboratory #gemstone testing #opal #play-of-color #silica mineraloid #unique gemstones

No reserve price - 1 pcs Bi-colour, Blue, Pink Sapphire - 2.10 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

#antwerp lab #bi-colour sapphire #blue sapphire #colored gemstones #corundum #gemstone certification #gemstone testing #pink sapphire #precious stones #unique sapphire

No reserve price - 1 pcs Yellow Yellow Beryl (Heliodor) - 5.62 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

#antwerp lab #beryl family #collector gems #faceted gems #gemstone testing #gemstones #heliodor #jewelry stones #yellow beryl

1 pcs Purple, Red Spinel - 1.82 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

#fine jewelry gemstones #gemstone history #gemstone testing #precious gemstones #purple spinel #red spinel #sparkling gemstones

White Opal - 14.44 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Fine Color Quality

#algt #fine color quality #gemstone testing #hydrated silica #iridescent gemstone #opal #play-of-color #sedimentary gemstone #unique gemstones #white opal

Blue Sapphire - 2.45 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

#2 carats #algt certification #blue sapphire #corundum #fine jewelry #gemstone testing #precious stones

No reserve price Hessonite - 5.12 ct - Antwerp Laboratory for Gemstone Testing (ALGT)

#collector gemstone #fine gems #gemstone testing #grossular garnet #hessonite #orange gemstone