Diamonds, made clear
The 4Cs, laboratory-grown versus natural, certificates, settings and prices. We sell laboratory-grown diamonds as loose stones; finished mounted pieces may use natural or laboratory-grown side stones, always disclosed.
Guides in this hub
- Read →Lab-grown guide
Lab-grown diamond guide
What CVD and HPHT actually mean, how lab-grown diamonds are graded, and why we choose them for our loose-stone offering.
- Read →Selection standard
Our diamond selection standard
The Lucky D Signature standard for loose stones — D colour, top cut, IGI report — applied consistently.
- Read →Certificates
Reading an IGI report
How to read each line of an IGI report and cross-check it against the diamond and its laser inscription.
- Read →Side stones
Side stones in mounted pieces
In our finished designs, side stones may be natural or laboratory-grown diamonds. Each product page states which is used.
- Read →Overview
Diamond guide overview
Start here for the full map of our diamond education — 4Cs, origins, certificates and settings.
The 4Cs and shape
Cut
Colour
Clarity
Carat weight
Diamond shape
Origin and characteristics
Laboratory-grown diamonds (our loose-stone offering)
Natural diamonds (used only as side stones in some mounted pieces)
Side-stone disclosure on product pages
Diamond fluorescence
Diamond certificates
Buying, settings and care
Diamond settings
Engagement-ring buying
Diamond care
Understanding price differences
Want a simple buying checklist?
Get our beginner-friendly jewellery buying checklist before choosing your next piece.