Lab-Grown vs Natural
Same stone, different story. Price, resale and certification compared honestly
Read guide 7 min
Buyer's guide
How much should you spend on an engagement ring?
Forget the salary rule. Here is what UK buyers really spend, what each amount buys in Hatton Garden, and how to pick a number you will still be happy with next year.
PK
Parth KananiSeptember 2026 · 7 min read
The short answer
Spend what you can pay without borrowing or stress. For context, the typical UK buyer pays around £1,500–£2,000. What matters more than the number is knowing exactly what it buys, so you pay for things you will actually see on the hand.
Every jeweller has an answer to this question, and most of them happen to suggest spending more. We think you deserve the actual numbers. Below you will find where the salary rule came from, what people in the UK really spend, and a slider that shows what each amount gets you in Hatton Garden, natural and lab-grown side by side.
The myth
The three months' salary rule was an advert
There was never a tradition behind it. In the 1930s, De Beers ads in America suggested a man should spend a month's salary on a diamond. By the 1980s, the ads asked “How can you make two months' salary last forever?” Three months is simply the version most people repeat today.
It worked brilliantly for the people selling diamonds. Tying the price to your salary instead of a fixed figure meant the “right” amount grew with every pay rise, and anyone who spent less felt they were falling short.
It also makes no sense for a UK buyer in 2026. Three months of gross salary ignores tax, rent, a wedding and a house deposit. A ring should start a marriage, not strain one. So we ignore the rule, and so should you.
The real numbers
What people in the UK actually spend
You will see a confident “UK average” quoted all over the internet. Most of those figures do not say how they were measured, so we do not repeat them. These three numbers come from sources that tell you exactly what they counted:
£500
What the UK public thinks is a reasonable price for an engagement ring (median answer)
YouGov, 1,784 UK adults, 7–9 August 2026
£1,500
What a UK jeweller's customers actually paid (median). The mean was £2,000, and most orders fell between £1,000 and £2,000
Serendipity Diamonds, 100 orders, June 2025 – June 2026
£5,750
Average spend at a London specialist, where around 70% of sales were lab-grown
Queensmith customer data, 2025
Put those side by side and the lesson is clear: there is no “normal”. The public's idea of reasonable, what typical buyers pay and what London specialist buyers pay differ by more than ten times. Each of those amounts buys a real, certified diamond ring. The question is what you want it to be.
Try it
What each amount actually buys in Hatton Garden
Drag the slider, or tap one of the three real-world numbers above it. The ranges are 2026 Hatton Garden prices for GIA or IGI certified round diamonds, with the setting included.
£1,500
£500£20,000+
gets you a round diamond ring like this in Hatton Garden, setting included
Lab-grown
0.8 – 1.2 ct
- Cut
- Excellent to Very Good
- Colour
- D – F
- Clarity
- VS2 – SI1
- Metal
- 18K white gold
Natural
0.4 – 0.6 ct
- Cut
- Excellent to Very Good
- Colour
- F – H
- Clarity
- VS2 – SI1
- Metal
- 18K white gold
Same look, different origin. Lab-grown gets you a much bigger stone for the same spend. Natural keeps far more of its resale value. Fancy shapes like oval and cushion cost 15–25% less per carat than round, so you get a little more.
Your number
How to set a number you will not regret
Answer these three questions honestly and your number usually picks itself.
1. What can you pay without borrowing?
Start with savings you can spend today, not a monthly payment you hope to manage. If you do spread the cost, add the interest to the price and look at that total. A ring that is still being paid off after the wedding tends to lose its shine.
2. What else is coming in the next two years?
A wedding, a move, a deposit. For scale, the median Briton thinks a whole wedding should cost no more than £6,000 (YouGov, 2026). Decide the ring figure with the rest of the plan in front of you, not on its own.
3. What does the person wearing it actually care about?
Size, a natural origin, a particular shape, or simply that it is well made. If size matters most, lab-grown gets you roughly twice the carat for the same money. If a natural stone matters, spend on cut and let the carat come down. Knowing this stops you paying for things they will never notice.
Spend it well
Where extra money shows, and where it does not
Whatever your number, put it where the eye can see it. This is the order we recommend.
1. Cut: protect it
Excellent or Very Good. Cut is what makes a diamond sparkle, and a poorly cut stone looks dull at any size. This is the one grade not to compromise on.
2. Carat: shop just under the round numbers
Prices jump at 1.00ct and 1.50ct because that is what everyone asks for. A 0.92ct looks the same on the hand as a 1.00ct (about 0.4mm across) and costs noticeably less.
3. Colour: match it to the metal
G–H looks colourless in white gold or platinum. In yellow or rose gold, I–J looks intentional. Paying for D–F adds cost you cannot see across the table.
4. Clarity: VS2 and move on
VS2 is clean to the eye for most shapes (go to VS1 for emerald and Asscher cuts). Anything higher is paying for the certificate, not the look.
Shape moves the needle too. Oval, cushion and pear cost 15–25% less per carat than round, and ovals look bigger for their weight. Our 4Cs guide and shapes guide go deeper on both.
Found your number? Here's what to do next
Take the engagement ring quizSeven quick questions. Get a shape, metal and diamond spec that suit them, at the amount you have chosen.Start the quiz See the full Hatton Garden price tablesSolitaire, halo, trilogy and vintage prices by carat and metal, with online-first and showroom pricing compared.Read the price guide
Common Questions
How much should you spend on an engagement ring?+
Whatever you can pay without borrowing or stress. There is no correct figure. For context, the typical UK buyer pays around £1,500–£2,000, and customers at one London specialist average £5,750. In Hatton Garden, £1,500 buys a round lab-grown diamond of about 0.8–1.2ct or a natural diamond of about 0.4–0.6ct, setting included.
What is the three months’ salary rule?+
It is advertising, not tradition. De Beers ads in the 1930s suggested a month’s salary, and in the 1980s they asked "How can you make two months’ salary last forever?" Three months is simply the version most people repeat now. It was designed to anchor what people spend, and it tells you nothing about what is sensible for you.
How much should a man spend on an engagement ring?+
The same as anyone else: an amount you can pay comfortably. Who is buying makes no difference to what is sensible. What matters is your savings, what else you are planning (a wedding, a deposit), and what the person wearing it actually cares about. Many couples now choose the ring together.
Is £2,000 enough for an engagement ring?+
Yes. £2,000 is right around what typical UK buyers pay. In Hatton Garden it buys a well-cut round lab-grown diamond of about 0.8–1.2ct, or a natural diamond of about 0.4–0.6ct, in 18K white gold. Choose an oval or cushion and the same money goes 15–25% further per carat.
What is the average engagement ring cost in the UK?+
There is no single reliable figure, and many quoted averages do not publish how they were measured. The sourced numbers we trust: the UK public thinks £500 is reasonable (YouGov, August 2026), one UK jeweller’s customers paid a median of £1,500 (Serendipity Diamonds, 2025–26), and customers at London specialist Queensmith averaged £5,750 (2025).
Should I put the whole amount into the diamond?+
No. Your number has to cover the setting too. A simple solitaire in 18K white gold costs around £400–£800 in Hatton Garden, and a halo or pavé setting around £800–£1,500. The ranges on this page already include the setting.
Keep reading
The guides behind the numbers on this page.