Circa 1910, Belle Epoque.
Gross weight: 4.20g
Pattern height: 1.60 cm
Pattern width: 1.30 cm
Ring size: 54 1/2 (diameter 17.25 / US 7.00).
Condition: very light micro scratches on the gold parts, natural inclusions in the stones, slight oxidation of the turquoise, a small break on a diamond, see photos.