Huge emeralds ring - - Jewels, watches and gold

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

Audemars Piguet Alinghi chain bracelet - limited edition
Designed by Kirsty Bertarelli, made by Audemars Piguet to commemorate the launch of the Alinghi, the America's Cup boat.
18 kt white gold with hallmark
Weight: 70.91 g
Length: 23 cm
Link width: 1.2 cm
In perfect condition.
It has three charms: a winch, boat, and the Alinghi symbol.
The winch has 90 diamonds of 0.03 ct, colour G, clarity VVS1, brilliant cut. Total: 2.70 ct
The Alinghi logo has 98 diamonds, colour G, clarity VVS1, brilliant cut, totalling 1.96 ct
All are natural diamonds, and the total weight of the bracelet is 4.66 ct.
Spring ring clasp.

French art decò diamonds ring.
Solid platinum
It comes with over 5 cts of extra white diamonds.
About 1920

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

Sumptuous 18K yellow gold daisy ring.
It mounts natural brilliant cut diamonds for a total weight of 3 carats.
Italian production of the 60s.
Weight gr. 20.3