Hexagonal sapphire and diamonds ring , Italian production from the Fifties - - Jewels, watches and gold

Hexagonal ring with a natural round sapphire (2,80 ct) in the center, surrounded by 12 natural brilliant cut diamonds, weighing ct. 1,35 total.
18K white gold.
Italian production of the second half of the 20th century

18K white gold ring
A big central sapphire, deep blue, weighing over 4 ct.
Oustanding on a circle of 12 brilliant cut diamonds (total weight 2,50 ct.).
Italian production of the second half of the 20th century

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 of 18K white gold.
At the center is a crystalline blue sapphire (weight 2,50 ct.), oustanding on a circle of brilliant cut diamonds (total weight 1,15 ct.).
Italian production of the second half of the 20th century

Round pearls and diamonds platinum earrings
950 °/oo platinum, total weight gr. 20,52
Mounting diamonds for ct. 2.00 approx.
Pearls diameter 13 mm.
Diameter 22 mm.