Vintage daisy ring in gold, oval sapphire and diamonds

Daisy ring in 18k (750°/°°) yellow gold set in its center with a dark blue oval sapphire weighing 1.65 carats in a surround of 12 brilliant-cut diamonds of good quality (FG VS to SI without inclusions visible to the eye bare) for a total weight of approximately 0.8 carat. Vintage work. Marked 750 inside the ring for 18k gold.

Pattern dimensions: 11.1mm x 16mm.
Finger size: 52, sizing possible
Gross weight: 4.42 grams