Vintage Italian Sapphire Diamond Engagement Ring

This Italian 18K yellow gold cluster ring is centered with a nice cornflower blue sapphire framed by bright white and very clean diamonds (G color, VVS2-VS1 clarity). The sapphire measures 6 x 5.1 x 2.5 mm and is approximately 0.62 carat. Estimated total diamond weight is 0.70 carat. Marked with 750 gold standard and maker’s mark. The sapphire and diamond cluster measures 13 x 11 mm (1/2 x 7/16 in.) Ring size 7.25 (17 mm) resizable