Vintage 18K Yellow Gold Lapis Lazuli Signet Ring

Vintage 18K yellow gold signet ring, featuring a bold rectangular design with a deep blue lapis lazuli inlay. The band showcases intricate detailing along the sides, enhancing the central enamel feature.
Measurements:
Front: 14 mm H x 15.5 mm W
Size: 8 (sizable)
Weight: 9.7 grams
Marked: K18