An Art Deco Engagement Ring
French, circa 1915
A vintage platinum milgrain ring of a rectangular shape with cut corners is centered with a bright white old European cut diamond
(5.5 x 3.35 mm, approximately 0.66 ct, I color, VS1 clarity)
outlined by a row of tapered calibre cut deep blue sapphires
and further set with a border of old single cut diamonds (approximately 0.45 total weight).
Height 16 mm (5/8 in.)
US ring size – almost 7 1/2 (17,5 mm)