Guides
What to know before you choose, explained plainly: our stones, your ring size and caring for your ring.
Our stones
- What is moissanite? A technical guideSilicon carbide grown in a laboratory: what it is made of, how it is grown, how it handles light, and how it compares with lab-grown diamond and cubic zirconia.
- What is a lab-grown diamond? How it is grown, graded and documentedPure carbon in a cubic crystal lattice, grown in weeks by HPHT or CVD, then cut, graded on the four Cs and laser-inscribed.
- Cubic zirconia (CZ): what it is, and why it suits small accent stonesZirconium dioxide crystallised in its cubic form: how it is made, what it does well as a small accent stone, and its limits.
Choosing and caring
- Before you order: a few checksThe few checks that make a ring bought from afar fit and arrive perfectly.
- Find your ring sizeTwo simple ways to measure at home, and the table that turns millimetres into US and French sizes.
- Caring for your ringHow to clean each of our stones and metals, what to avoid, and how to keep a ring looking new for years.