Yellow gold garter ring, pink sapphires and old-cut diamonds

“Five stone” garter ring in 18k (750°/°°) yellow gold composed of alternating pink sapphires and old-cut diamonds (Mazarin Cut for the first and Perruzzi cut for the second). Probably French or English work from the second part of the 19th century.

Finger size 56 , sizing possible
Gross weight: 3.58 grams

Diamond weight:
The 1st: Mazarin cut - 4.3 x 4.1 x 3.7 mm or 0.5 ct quality J Si1 Eye Clean
The 2nd: Perruzzi cut - 4.1 x 4.1 x 3.5 mm or 0.47ct quality G Si2 Eye Clean

Weight of pink sapphires:
4 x 2.8 x 1.8 mm or 0.17 ct
6 x 5 x 2.7 mm or 0.7 ct
3.5 x 2.5 x 2.6 mm or 0.20 ct