You don't need to be a gemmologist to buy a beautiful diamond. Work through these seven steps in order and you'll spend your budget exactly where it counts.
1. Set your budget
Decide a comfortable number first — it focuses every choice that follows. Lab-grown diamonds stretch a budget remarkably, so expect a larger, higher-grade stone than a mined equivalent at the same price.
2. Prioritise cut
Cut drives sparkle more than any other factor. Always choose Excellent / Ideal — it's what makes a diamond come alive. Learn more in the 4Cs guide.
3. Choose a shape
Pick the silhouette that suits the wearer's style and hand. Compare all ten shapes.
4. Balance colour & clarity
Aim for near-colourless (G–H) and eye-clean (VS–SI). These grades look flawless to the naked eye at a fraction of the price of the very top of the scale.
5. Maximise carat — smartly
Buy just under the "magic" weights (for example 1.9ct instead of 2.0ct) for a near-identical look on the finger and a real saving.
6. Choose the setting & metal
Solitaire, pavé or halo; platinum, white, yellow or rose gold. The setting shapes the entire look — and the right one can make your centre stone appear even larger.
7. Insist on certification
Only ever buy a diamond with an independent IGI or GIA report. Here's what to look for.
Spend on cut, choose G–H colour and VS–SI clarity, then put everything else into carat — and insist on certification. Or simply tell our specialists your budget and we'll do it for you.