KÖCHERT STAR SAPPHIRE AND DIAMOND BROOCH
Cabochon star sapphire, oval brilliant-cut diamonds of 4.01 and 3.50 carats, pear brilliant-cut diamonds of 3.76, 3.03, 2.21 and 1.75 carats, round brilliant-cut diamonds of 1.14, 1.14, 1.13 and 1.12 carats, 18k yellow gold, maker's mark (Köchert)
Gübelin, 2023, report no. 23030194: star sapphire, Sri Lanka (Ceylon), no indications of heating, with Information Sheet on Unheated sapphires
10 GIA reports, 2016-2023: 4.01 to 1.12 carats, D colour, Flawless to VVS2 clarity, excellent polish and symmetry. Three diamonds Type IIa and one Type Ia
Size/Dimensions: 4.0 cm
Gross weight: 27.2 grams
KÖCHERT STAR SAPPHIRE AND DIAMOND BROOCH
Cabochon star sapphire, oval brilliant-cut diamonds of 4.01 and 3.50 carats, pear brilliant-cut diamonds of 3.76, 3.03, 2.21 and 1.75 carats, round brilliant-cut diamonds of 1.14, 1.14, 1.13 and 1.12 carats, 18k yellow gold, maker's mark (Köchert)
Gübelin, 2023, report no. 23030194: star sapphire, Sri Lanka (Ceylon), no indications of heating, with Information Sheet on Unheated sapphires
10 GIA reports, 2016-2023: 4.01 to 1.12 carats, D colour, Flawless to VVS2 clarity, excellent polish and symmetry. Three diamonds Type IIa and one Type Ia
Size/Dimensions: 4.0 cm
Gross weight: 27.2 grams
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