diamond and sapphire ring

A 14 carat white gold ring set with a large oval cut blue unenhanced Ceylon sapphire (circa 20 carats) surrounded by 14 old cut diamonds (circa 3 carats), circa 1950.

weight: 13.7 grams
ring size: 19.5 mm. 9 1/4 US.
dimensions sapphire: 14.7 x 13.5 x 12.1 mm.

With certificate form the Netherlands Gemmological Laboratory.