Vintage 18ct Gold & Blue Sapphire Kukri Knife Sweetheart Brooch. This exquisite brooch features two striking blue sapphires set in 18ct yellow gold, in the shape of a Kukri knife. The knife-shaped brooch is a unique and impressive piece, perfect for adding an element of sophistication to any outfit. Crafted from high-quality natural materials, this brooch is a true work of art. The main stones are round cut blue sapphires, perfectly set in the antique yellow gold knife blade. The vintage piece is in excellent condition for its age This brooch is a must-have for any fine jewellery collector. The length is approximately 48mm.