Formed from solid 9ct Yellow Gold, the old glowing gold flows fluidly to form this classic interlinking knot shape. The knot stud is a timeless design, the soft curves and elegant clean finish accomplishes an elegant and feminine look that will never go out of style! Lover's knots have a long history representing the unbreakable bond and eternal connection between two lovers, making these vintage 9ct knot earrings a romantic choice for a gift. ERA: Vintage/Retro, circa 1960s. MEASUREMENTS AND WEIGHT: The knot design measures 1cm x 1cm.The total weight is 0.69 grams. MATERIALS: Solid 9ct Gold. Condition EXCELLENT. This I'm struggling to find any faults with these vintage knot studs. The gold is warm with the classic vintage patina my customers love. The butterfly backs allow you to wear this pair confidently, all day long without a worry!