VVS and VS clarity look identical to the naked eye. Here is the real difference, what the grades mean, and when VVS is worth paying for.

Ideal cut explained in plain English: what the grade measures, why fancy shapes rarely get one, and which diamond cut sparkles most.

Which clarity and colour grades are worth paying for, shape by shape and metal by metal – and where to save without anyone noticing.

F is the last grade in the colourless band. Where it genuinely shows, where it is invisible, and how it compares with D, E and G.

For a round brilliant, colour usually matters more than clarity. Here is why, what the grades mean, and where to spend your budget.

Yes, diamonds throw rainbow flashes. What dispersion really is, how cut and lighting change it, and why the fake-diamond myth is wrong.

Fracture filling and laser drilling explained: how to identify a treated diamond, whether the treatment lasts, and what it does to value.

VVS1 sits just below flawless. What the grade means, how it differs from VVS2, and the shapes where it genuinely earns its cost.

VS clarity is eye-clean without paying for perfection. What VS1 and VS2 mean, how they differ, and which shapes need which grade.

SI1 is often the best value on the clarity scale, SI2 is the risky one. How to read the plot and check an SI diamond before buying.