Gold and silver "Lyra" brooch - - Jewels, watches and gold

Lyre-shaped brooch – Made in Italy – Late 19th century.
The brooch is set with 25 rose cut natural diamonds.
The main body is made of gold, while the upper part and settings are in silver.
Estimated total carat weight of the diamonds: approx. 0.65 ct.
Colour: J-K – Clarity: SI-P1.
Height: 3.71 cm – Width: 2.6 cm
Weight: 7.58 g.
In very good condition.

Engagement ring with six-prong setting, in 18 kt white gold.
Produced in Italy in the early twentieth century.

The shank and structure are elegantly engraved with vegetomorphic motifs
The stone, with excellent features, weighs 0.75 ct
Dimensions (mm): 5.01 x 4.28, pillow cut
J colour, VS2 clarity.
The item does not have any marks or hallmarks. The gold grade was tested with acid in a laboratory.

Early 20th century earrings of Austro-Hungarian manufacture.
Made from yellow gold with front disc and silver settings.
Set with 18 rose cut diamonds with a total weight of approx. 0.54 ct
Lever-back 'hook' clasp.
In perfect condition.
Height 1.85 cm
Width 1.22 cm

Early 20th century ring in 18 kt (750/1000) white and yellow gold.
It has a brilliant cut diamonds weighing 0.08 ct.
Stone colour: J.
Stone clarity: VS1.
Ring weight: 4.06 g.
Made in Italy in the 1920s