You have probably heard it: "You should spend two months' salary on an engagement ring." It sounds like an established custom — but it isn't. Here is where it came from, why it persists, and what it actually means for your purchase decision.
Where the Rule Came From
The two-month salary rule was created by De Beers — the diamond mining company — as part of an advertising campaign in the 1980s. It first appeared as a one-month guideline in the 1930s, was upgraded to two months in the 1980s, and in some markets (notably Japan) was pushed to three months. The rule had one purpose: to sell more expensive diamonds by anchoring buyers to a specific spending threshold tied to their income.
It is marketing, not tradition. There is no historical, cultural, or practical basis for the guideline outside of the diamond industry's interest in selling larger stones at higher prices.
What Couples Actually Spend
According to US survey data, the median engagement ring spend is approximately $3,500–$5,500. For a buyer earning the US median household income of roughly $75,000 per year, two months' salary would be $12,500 — more than double what most couples actually spend. The rule significantly overestimates what people choose to pay in practice.
What Actually Matters
The right amount to spend on an engagement ring is the amount that: leaves you financially stable after the purchase, produces a ring your partner will love, and does not create debt or financial stress in the early months of an engagement and marriage. There is no other meaningful criterion.
For most buyers, a well-chosen moissanite ring in the $500–$2,000 range produces a ring that is visually indistinguishable from a $10,000–20,000 diamond ring by any measure a non-gemologist can apply. The money not spent on the ring is available for a home deposit, a honeymoon, or simply financial security — all of which contribute more to a relationship than a more expensive stone.
The Honest Frame
Spend what makes sense for your financial situation and what produces a ring she will love. If that is $500, buy a beautiful $500 ring. If it is $5,000, buy a beautiful $5,000 ring. The number is not the point — the ring is. And the rule that told you the number was invented by a company that wanted you to spend more money on their product.
Related reading:
How Much Should I Spend on a Moissanite Engagement Ring?
Moissanite Engagement Rings Under $1,000
Does Moissanite Hold Its Value?