Cut, colour, clarity, carat. What actually moves the needle on a lab-grown stone, and what you can safely ignore.

Contour, eternity, plain or pave — the pairings that sit flush against a solitaire.

What the numbers actually say when you compare a grown diamond to a mined one, end to end.

Warm water, a soft brush, and the three things that dull a stone faster than anything else.