An Art Nouveau 18 Karat Yellow Gold, Russian Demantoid Garnet and Diamond Ring, containing one oval mixed cut demantoid garnet weighing 1.26 carats, two old mine cut diamonds weighing approximately 1.30 carats total and four old mine cut diamonds weighing approximately 0.02 carat total. Stamp: 18. Accompanied by an American Gemological Laboratories garnet identification and origin report number 1088620, dated December 1, 2017, stating Mineral Type: Natural Andradite Garnet, Variety: Demantoid, Measurements: Approximately 6.40 x 6.00 x 4.02 mm, Origin Provenance: Russia (Ural Mountains). 2.30 dwts. Estimate $3,500-5,500 The ring is an approximate size 4.75. Prongs are intact. Demantoid has a small scratch on the table with a few nicks and abrasions along facet junctions. Diamond Characteristics (graded in setting) Color: J. Clarity: One with SI2 clarity and one with VS2 clarity with a chip along a facet junction. Fluorescence: One diamond has faint blue.
An Art Nouveau 18 Karat Yellow Gold, Russian Demantoid Garnet and Diamond Ring, containing one oval mixed cut demantoid garnet weighing 1.26 carats, two old mine cut diamonds weighing approximately 1.30 carats total and four old mine cut diamonds weighing approximately 0.02 carat total. Stamp: 18. Accompanied by an American Gemological Laboratories garnet identification and origin report number 1088620, dated December 1, 2017, stating Mineral Type: Natural Andradite Garnet, Variety: Demantoid, Measurements: Approximately 6.40 x 6.00 x 4.02 mm, Origin Provenance: Russia (Ural Mountains). 2.30 dwts. Estimate $3,500-5,500 The ring is an approximate size 4.75. Prongs are intact. Demantoid has a small scratch on the table with a few nicks and abrasions along facet junctions. Diamond Characteristics (graded in setting) Color: J. Clarity: One with SI2 clarity and one with VS2 clarity with a chip along a facet junction. Fluorescence: One diamond has faint blue.
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.jpg "Quelle: Christie's")
.jpg "Quelle: Christie's")
