Ettika Silver Onyx Pendant Necklace

Nordstrom

Silver chain, Solid dark circular pendant, Smooth silver bezel around the pendant, Similar size and proportions of the pendant, Overall minimalist design matches

Sterling Silver Enamel Circle Necklace

Etsy - MagpieMouseStudios

Pendant shape: dark circular with an irregular inner cutout, Pendant color: dark (black enamel) with a silver edge, Chain type: delicate silver chain, Overall minimalist design matches, Size and proportion appear consistent

Sterling Silver Black Onyx Round Circle Pendant Charm Necklace

Soul & Little Rose

Sterling silver chain material, Solid black circular pendant, Silver bezel/rim around the black center, Overall size and proportion are similar