18 carat Gold Ruby Slice Earrings from the Fine Jewellery Collection by Astley Clarke Couture. These gemstone earrings consist of a pink rose-cut ruby slice square set in 18 carat gold and surrounded by cognac diamonds hanging from a diamond adorned clasp. Subtle in their simplicity and size, these earrings would make a versatile addition to any jewellery collection. 0.64 carat total diamond weight and 8.54 carats total ruby weight.