This vintage 14K yellow gold set consists of a pair of pierced sapphire stud earrings and a solitaire pendant, hanging from a 12K gold-filled neck chain.
The earrings are approximately 3mm in diameter. The sapphires are very dark blue and prong-set. The posts and cluthces are all marked 14K.
The pendant is 3mm wide and 9mm high. The back of the bail is marked 14K. The necklace is vintage old-stock, identical to the one shown on the card. It is 16" long and marked lightly "1/20 12K GF".