QUINN bar brooch with brilliant-cut diamond 0.18 ct (eng.),

QUINN bar brooch with brilliant-cut diamond 0.18 ct (engraved), WHITE (H)/SI, 14K yellow gold, 5.9 g, L: approx. 58.3 mm, W: approx. 2.5 - 7.9 mm, late 20th century/early 21st century, minor signs of wear, with hallmark 'QUINN', needle slightly curved.