This layered ring has a hairline matte finish. The ring on the right side has a round shaped "signet" option. The layered ring is too thin to be engraved, but the signet part can be engraved. Layered rings are too thin to be engraved. Signets can be engraved and can also hold birthstones or diamonds. The ring on the right here has a blue sapphire.
Signet + Blue Sapphire Layered ring for layering