Impressive sapphire and diamonds ring - - Jewels, watches and gold

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

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.

Exceptional handcrafted solitaire ring.
Solid 18K white gold
Diamond ct. 2,31, J color, VVS2 clarity
HRD certificate

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

Elegant brooch in double circle shape with diamonds.
Made in Italy in the 1960s, in 18 kt white gold.
It features 72 huit-huit cut diamonds, each weighing 0.02 ct.
Total diamond carat weight: 1.44 ct.
Colour I, clarity VVS2.