Lot Of 5 Vintage April Birthstone Rings Sizes 7 & 8.5 Silver And Gold Tone

Lot Of 5 Vintage April Birthstone Rings Sizes 7 & 8.5 Silver And Gold Tone Oval shape stone is size 7 Heart crown is size 8.5, it is also rough on the inside. I don’t think it says anything though The circle shape stone is size 7+ The solitaire is size 8+ The gold trio is size 8.5 None of the rings are magnetic but none have markings about metal type