Antique Agate Singet Ring of 10k Gold

Classic and understated, this antique signet ring (circa 1910–1920) features a smooth, square-cut gray-hued banded agate, prized for its subtle striations and timeless elegance. Signet rings of this period often carried personal or familial meaning, and the clean face of this example offers both history and versatility.

Mounted in a warm 10k gold setting, the ring has a face measuring approximately 0.5 inches by 0.5 inches, with proportions that balance presence and refinement. It is currently a size 5.25 and may be resized for an additional charge. The ring remains in excellent antique condition, with both stone and setting well preserved.

The gold content has been professionally verified using X-ray fluorescence (XRF) analysis and jeweler’s acid testing, ensuring authenticity and quality.

Materials: 10k gold, Agate.