Diamond ruby gol ring and necklace

18k yellow gold. 
A band ring with a cross ribbon motif in diamonds and rubies.
n. 11 diamonds, round shape, brilliant cut, approx. 0.45 ct, G-H, VVS-VS; n. 11 rubies, round shape, composite cut, approx. 0.55 ct- Hallmarked "750 - 700 VI". Size IT 21 - US 9 1/2.   
A ribbons motif necklace set with n. 03 round shape diamonds, brilliant cut, approx. 0.03 ct, H-I, VS; n. 02 rubies, pear shape, composite cut, approx. 0.25 ct. Hallmarked "750". Length 41 cm. 
Total weight 12.1 g.
Item condition grading: **** good.