" 18k Yellow Gold 2.03 F-Colour VS1-Clarity Certified Fine Diamond Prong Setti..." 18k Yellow Gold 2.03 F-Colour VS1-Clarity Certified Fine Diamond Prong Setting Engagement Ring. The diamond is set in 18k Yellow Gold on a Prong setting. This item has been appraised at £78,900 and serves for insurance purposes. Read below to learn...more