Vintage Mid-Century Diamond & Onyx Navette Ring 14kThis Mid Century navette ring features a 15. 00 x 7. 00mm black onyx centerpiece accented by grey single cut diamonds in 14 karat yellow gold. The onyx displays a deep, opaque black color that contrasts beautifully against the warm gold setting. Grey diamonds, totaling . 03 carats with I1 clarity, add subtle sparkle along the split shank design. Single cut diamonds create a different kind of flash than brilliant cutsthey offer a softer, more