Learn · Diamonds
Lab-grown, step by step
A laboratory-grown diamond is real diamond, made in weeks instead of billions of years. There are two ways to make one. Step through both machines, see the crystal each one produces, and how a gem laboratory still tells them apart from a natural stone.
Press Play, or step through each machine with the arrows.
Read the guide
Six-prong solitaire, taken apart
A solitaire ring in 3D: its parts, and how proportions change the cut grade
Diamond colour, D to Z
One diamond moved along the D-to-Z colour scale, face-up and in the grading tray
Diamond clarity map
Every clarity characteristic GIA defines, inside a diamond you can turn
Diamond fluorescence
None to Very Strong under the lamp, and what research found about daylight
Fancy shapes and the bow-tie
Stretch a fancy shape and see where light leaks and the bow-tie appears
How to read a lab report
Each part of a laboratory report explained, on an example report