Vintage Sapphire and Diamond Platinum Engagement Ring circa 1910

The ring is centered with an old European cut diamond (approximately 0.35 ct) surrounded by a row of tapered calibre cut natural sapphires (approximately 0.50 ct tw) and further set with a border of old cushion cut diamonds (estimated combined weight 0.32 ct)

Diameter 12 mm (1/2 in.)

US ring size 7 (17 mm)