Onyx art-deco pendant set with 8 TA diamonds

Onyx art-deco pendant set with 8 TA diamonds (about 3 carats)
2 diamonds of 0.75 carats +2 diamonds of 0.50 carats +4 diamonds of 0.10 carats
Aries and chain in 18k white gold
Weight: 17 grs Size: (2.8x2.5 cms)
Period 1930