View Fullscreen Ib&b Women's 9ct Three Colour Gold Knot Stud Earrings £105 From John Lewis buy now please pick a size Save for later Details These unique earrings have an open hoop shape with knotted rings in yellow, white and rose gold. IBB. H1 x W1cm. Post. Stud. YES. 9 carat. Earrings. 9ct gold. Solid Yellow Gold. Mixed Colours. Gold.