Art nouveau diamond ring, 0,75 cts. brilliant cut diamond - - Jewels, watches and gold

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.

Ring made of 18K white gold.
On four rows it bears "carrè" and "tapered" cut diamonds weighing over 4 ct.
At the center is a crystalline turquoise blue sapphire (weight 1.27 ct.), oustanding on a circle of brilliant cut diamonds (total weight 0.45 ct.).
Italian production of the second half of the 20th century

Ring made in 18K white gold.
On two rows it bears "tapered" cut diamonds weighing about 0,80 ct.
Upper shine two drop cut emeralds (tot. weight 2,52 ct.), oustanding on girdles of brilliant cut diamonds (total weight 0.75 ct.).
Italian production of the second half of the 20th century

Chain bracelet produced by Virgino Leva, Italy 1960
It comes with diamonds on white oval rings, about 1,20 ct.
Lenght cm 19,5
Weight 49
Very good conditions

Refined ring bearing a fancy natural diamond described in the certificate GIL DIA201709093739
Size: 6.46 x 6.22 x 5.43 mm
Clarity: SI1
Treatment: untreated
Carats: 2.14 ct
Color: natural yellowish dark fancy green
Cutting pillow
Origin Africa
Contour: 14 diamonds from ct. 0.03 around the central stone for tot. ct. 0.42
6 diamonds on the stem for a total weight of ct. 0.30
Color H, VVS2 clarity
Ring weight gr. 4.33
Measure 11.5