Ring - 18 kt. White gold - 3.22ct. tw. Diamond (Natural) - Diamond - Ballerina 18K Diamonds

Ballerina ring in 18k white gold and diamonds, handmade from the 1950s-1970s:
Ring in white gold set with a center round brilliant-cut diamond of 1. 20 carats, within a halo of eight baguette-cut diamonds of about 1. 12 carats and six round diamonds for a total weight of about 0. 90 carats.
Total diamond weight: about 3. 22 carats
Center diamond: old European cut of high quality (I/VS2) 1. 20 ct
Size: 16. 3 mm / 50
Ring weight: 9. 1 g
Proportions :
Height: 25 mm,
Width: about 20 mm,
Thickness: 9 mm