There's no rule for how much to spend on a diamond — despite what you may have heard. The good news is that lab-grown diamonds make the math far friendlier than it used to be. Here's how pricing actually works, and how to spend in the places that show.
First, ignore the "three months' salary" rule
It was invented by a diamond marketing campaign in the 1930s. It is not a tradition, a standard, or financial advice — it's an advertising slogan. Spend what's comfortable for your situation. As a rough guide, most complete Tessera rings — setting plus diamond — land between $3,000 and $15,000, and many come in well below that. The "right" number is the one that doesn't cause you stress.
What actually drives a diamond's price
Price is set by the 4Cs, and they don't move the needle equally:
- Cut — the biggest driver of how a diamond looks, and worth prioritizing above everything else. A great cut makes a stone come alive.
- Carat — price rises sharply at "magic" weights (1.0ct, 1.5ct, 2.0ct). Buying just below a threshold (e.g. 0.9ct) can save 10–20% for a visually near-identical stone.
- Color and clarity — these move price less than people expect once you're in the eye-clean, near-colorless range.
The biggest lever: lab-grown vs. natural
At an identical cut, color, clarity, and carat, a lab-grown diamond typically costs 60–80% less than a natural one. That single choice has more impact on your budget than any of the 4Cs. It's why a lab-grown stone often lets you go up a full carat, or step up in cut quality, for the same money. We break down how that looks across our actual inventory on our collection data page.
Where to spend, and where to save
Our honest, gemologist-style advice:
- Spend on cut. Go Excellent or Ideal. This is the one grade you should never compromise.
- Save on clarity. VS2 is eye-clean — invisible to the naked eye. Paying for Flawless means paying for something only a loupe can see.
- Save on color (in the right setting). In yellow or rose gold, G–H looks identical to D–F. In platinum or white gold, D–H all read white.
- Choose carat by what flatters the hand, not by hitting a round number.
This is exactly the logic behind what we choose to carry — you can see the full filter on our standards page.
Common questions
Is a bigger lab-grown diamond better than a smaller natural one?
"Better" is personal, but lab-grown lets your budget go further — many buyers prefer a larger, higher-cut lab-grown stone to a smaller natural one at the same price.
Do lab-grown diamond prices keep dropping?
Lab-grown prices have softened as production scaled, which is great for buyers today. Treat any diamond as something to keep and enjoy, not as an investment.
Set your budget, then see what it buys: explore our certified diamonds or start with the Diamond Guide.