18kt yellow gold/18kt rose gold 18kt yellow and rose gold Cancer four link rings from SPINELLI KILCOLLIN featuring thin band, stackable design, round cut diamonds and polished finish. POSITIVELY CONSCIOUS: We've partnered with Good On You — an ethical agency that rates how sustainably brands perform across various people, planet and animal welfare criteria. This product comes from a Conscious brand that performs well in relation to their impact on the planet, for example ensures the use of materials that limit the amount of chemicals, water and wastewater involved in production processes..