Vintage diamond earrings

Main Stones Name: Onyx (15mm)
Main Stones Color: Black Round
Said Stones Name: Diamond
Said Stones Weight: 0.60 (each diamond 0.30ct)
Said Stones Clarity: VS
Said Stone Color: F-G
Weight: 8 gram approx
Condition: New with tags
Designer: Seven Carat
Catalog Code: 10347