Portugal, Lisbon, circa 1990.
This 18K yellow gold dome style ring features a big cabochon cut natural unheated sapphire of a midnight blue color. The sapphire is accented by numerous brilliant cut diamonds.
The sapphire measures 18 x 14.5 x 8.3 mm and is approximately 23 carats.
Estimated total diamond weight is 2.24 carats.
Weight is 18.47 grams.
The ring is marked with Portuguese swallow and pelican head assay marks for 750 gold standard (18K).
The ring is accompanied by the PGS color gemstone report 48110015.
Ring size 9 (19 mm) resizable
