White Sapphire Pierced Heart Pendant Vintage c1980.
The gold mark can be found to the rear, this mark reads '.375' for 9ct gold. The stone tests as a white sapphire, it is in good order please see the pictures.
Size 0.9 x 0.9 cm or 0.3 x 0.3 inches.
Weight 0.9 grams or 0.56 penny weight.