The wavy band has a black enamel with raised gold lettering, "CHARLOTTE SQUIRE DIED 12 APR 1771 AGED 49". Watch video below, the blue flash does not show in video, only when the ring is turned wrong reading side up. None, tested and guaranteed 16K gold. Check my other listings for more gold charms and other gold jewelry!!
Georgian Diamond Moonstone Momento Mori Mourning Ring 1771.