You are at : Site Map > Education and Guidance Education and Guidance We understand that buying diamond jewellery can seem a little daunting. That’s why, as part of our commitment to customer service, we offer expert guidance. It’s not just our diamonds that are of the highest quality – our comprehensive advice is based on 150 years’ experience. Understanding Diamonds It’s vital to find out a bit more about diamonds before you embark on buying a piece of jewellery. Without understanding diamonds, you might feel overwhelmed by a seemingly complex subject. Don’t worry – we’re here to help. Exploring our website will help you to understand the characteristics of a diamond and allow you to learn more about areas such as certification and diamond care. You’ll even find answers to the questions about diamonds that we hear most often. Please read the Understanding Diamonds section of our website or go straight to a specific subject below:   Diamond Colour Diamond Clarity Diamond Cut Diamond Carat Weight Diamond Shape Diamond Certification Diamond Care Diamond FAQ Ring Buying Guides We also have some invaluable ring guides for you to download. There are Engagement Ring Guides for both brides and grooms – they make essential reading for those preparing to take the plunge! We've also added a handy Ring Size Guide to help you find the perfect fit – with a converter for different sizes. Engagement Ring Guide for Brides Engagement Ring Guide for Grooms Ring Size Guide Precious Metal & Hallmarking Choosing precious metals is an important part of buying that special piece of jewellery. Our Precious Metal Guide will advise and inform, we also have essential information on hallmarking, too. General Jewellery FAQ And because we understand the huge amount of questions our customers have, our General Jewellery FAQ provides a wealth of answers.