About the brand: Elegant and empowering fine jewellery. 14-karat yellow gold Round-cut Prong-set Diamond = approximately 0.18 ct. tw.; colour = C23 Gemstone(s): Quartz = approximately 8.00 ct. tw. Ring cannot be re-sized It is customary to treat most gemstones to achieve enhanced colour and durability. Some of these treatments may not be permanent, and may require special care. Please note: In product titles ct. tw. refers to the total carat weight of all diamonds and/or gemstones combined. Colour: metallic