Gemstones

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No. 95466082

Congreve rolling ball clock - Brass - 2020+

Paula Martin-Calero Toro

Selected by Paula Martin-Calero Toro

Expert in Antiques

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1963 objects

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No reserve price Spinel - 2.18 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Intense Pink

No reserve price Opal - 12.76 ct - Gem Report Antwerp (GRA) - White 'Play of Colors'

No reserve price Spinel - 2.91 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Vivid/Deep Purplish Pink

Purple Spinel - 10.07 ct - Lotus Gemology

No reserve price Opal - 19.36 ct - Gem Report Antwerp (GRA) - White 'Play of Colors'

No reserve price Sapphire - 6.68 ct - Bellerophon Gemlab - Deep greenish blue

No reserve price Ruby - 1.48 ct - International Gemological Institute (IGI) - Deep Purplish Red

No reserve price Spinel - 2.32 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Vivid/Deep Greenish Blue

No reserve price Spinel - 2.56 ct - Antwerp Laboratory for Gemstone Testing (ALGT) - Vivid/Deep Purplish Pink

White Opal - 31.54 ct - International Colored Gemstone Association (ICA GemLab)

Ametrine - 62.33 ct - Instituto Gemólogico Español (IGE)

1 pcs Orange Sapphire - 3.56 ct - Gemological Institute of America (GIA)

No reserve price Ruby - 1.44 ct - International Gemological Institute (IGI) - Deep Purplish Red

1 pcs Orange Topaz - 114.17 ct - International Colored Gemstone Association (ICA GemLab)

1 pcs Blue Topaz - 94.60 ct - International Colored Gemstone Association (ICA GemLab)

Ametrine - 124.92 ct - Instituto Gemólogico Español (IGE)

No reserve price Ruby - 2.18 ct - International Gemological Institute (IGI) - Deep Purplish Red

No reserve price Ruby - 1.36 ct - International Gemological Institute (IGI) - Deep Purplish Red

1 pcs Blue Topaz - 84.03 ct - International Colored Gemstone Association (ICA GemLab)

No reserve price Ruby - 1.45 ct - International Gemological Institute (IGI) - Deep Purplish Red

Yellow Fluorite - 74.94 ct - Instituto Gemólogico Español (IGE)

Green Demantoid - 38.59 ct - International Gemological Institute (IGI) - Important Démantoïde 38c

No reserve price Sapphire - 9.20 ct - Bellerophon Gemlab - Dark bluish green

No reserve price Ruby - 1.90 ct - International Gemological Institute (IGI) - Deep Purplish Red

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