Necklace composed of agate cameos

Exceptional 18k gold necklace set with 7 agathe cameos and a polychrome agathe clasp
The cameos are in black agathe representing female faces,they are of different sizes in pairs
Their sizes are :2x(4x3) 2(3x2,5) 2(3x2) 2(2x1,5)
And the polychrome agathe clasp representing a feminine face is :(2,5x2)