18th Century Iberian Garnet Ring18th century Iberian garnet ring with garnet stones in 18k gold. Circa 1700 1760. Black enamel details on underside of ring typical of earlier examples. Spanish or Portuguese in origin. See our Field Guide for more information on jewelry from the Iberian Peninsula. Size 8. 75 can be sized. Shown on model with model's own early 19th century mourning ring a marquise diamond band (in store) and an antique gold band (in store).