Are Classic Rings Out? Why Gen Z Is Buying Loose Gemstones

No. Classic rings are not out. Diamonds still sit at the centre of most engagement rings, and they will for a long time yet.

What changed is the meaning of the word rare. That single shift is why a growing number of young buyers now start with a loose gemstone instead of a finished ring.

Here is what the 2026 numbers actually show.

The data: classic is not dead, but it is getting crowded

The Knot's 2026 Real Weddings Study surveyed more than 10,000 US couples who married in 2025.

Diamonds still won. But look at which diamonds.

• 61% of engagement rings now hold a lab-grown centre stone — a 239% jump since 2020.
• Average spend fell to $4,600, down from $5,200 the year before.
• Average size rose to 1.9 carats, up from 1.7.

Read those three lines together. People are paying less and getting more.

That is genuinely good news for buyers. It is also the exact moment a stone stops feeling scarce.

What actually happened to the price of "special"

Let's be fair to lab-grown diamonds first.

They are real diamonds. Same carbon, same hardness, same fire. Nothing about them is fake, and anyone who tells you otherwise is selling something.

But they can be manufactured. And manufacturing scales.

The price tells the whole story. A one-carat lab-grown diamond averaged around $3,410 per carat in 2020. By May 2026 that average sat near $564 — a drop of roughly 88% in six years.

Resale follows the same curve. Lab-grown stones typically recover 20–40% of what you paid. Natural stones tend to hold 50–60%.

Even the industry repositioned. De Beers closed its own lab-grown brand, Lightbox, in May 2025. The GIA retired traditional 4Cs grading language for lab-grown stones and moved to simpler quality tiers.

None of that makes lab-grown a bad choice. If you want the most size for your budget, it is unbeatable, and we will say so to your face.

It just no longer signals scarcity. And scarcity is the thing an heirloom is built on.

Why Gen Z is buying loose gemstones instead

1. Nobody can grow a Kashmir sapphire

A fine natural sapphire took millions of years and a very specific patch of earth to form. No factory in Surat or Shenzhen can add supply next quarter.

That is not marketing. It is geology.

Sapphires, rubies and emeralds are getting harder to source at top quality, not easier. Supply is the one thing the lab-grown boom cannot touch.

2. Colour has become the personality signal

When everyone's ring is white and 1.9 carats, colour is how yours becomes yours.

The Knot's data backs this up:

• Sapphire is the number one non-diamond centre stone, at 23%.
• Moissanite follows at 20%.
• Yellow gold now sits at 39% of rings — up 140% in five years, ending two decades of white metal dominance.

Yellow gold and coloured stones rising together is not a coincidence. Warm metal makes colour glow. The two trends are one trend.

3. Buying the stone loose puts you in charge

This is the practical reason, and it is the one most people discover only after they have bought badly once.

In a normal shop, the setting comes first. You pick from a tray of finished rings, and the shop finds a stone that fits the space. Your options are limited to what the mount will hold.

Buying loose flips it. You inspect the gemstone unmounted — top, side, and underneath — before a single gram of gold is poured.

You see the true colour. You see the natural marks inside, which jewellers call inclusions. You see how the cut handles light.

Then the gold gets built around your stone's exact measurements. Here is how that custom process works, step by step.

4. Natural stones have held value better

A quick disclaimer, because this matters. Gemstones are not a savings account — prices move, resale is slow, and nothing here is financial advice.

Buy a stone because you want to wear it.

With that said, the 2026 direction is clear.

• Unheated stones command a premium. An untreated sapphire can fetch 30–50% more than a heated stone of similar quality.
• Origin now gets documented. The GIA expanded its country-of-origin reporting from January 2026, so "Burmese" or "Ceylon" is becoming a verifiable claim rather than a sales line.
• Rarity is being priced properly. Buyers are paying attention to provenance in a way they simply were not five years ago.

Five things to check before you buy a loose gemstone

Most bad gemstone purchases come down to the same handful of missed questions.

1. Ask "natural or treated?" directly. Heat treatment is normal and legal. Undisclosed treatment is not. A straight answer is the first trust test.
2. Get an independent certificate. GIA, AGTA or a recognised lab. Not a report written by the seller.
3. See it in daylight. Shop spotlights are engineered to flatter. Sapphires in particular can shift character completely between light sources.
4. Judge the cut, not just the carat. A badly cut stone looks flat and lifeless no matter what the weight says. Two 2-carat sapphires can look like different gems entirely.
5. Ask for millimetre measurements. Carat is weight, not size. A deep-cut stone hides its weight below the setting, so it wears smaller than its number suggests.

One more, free of charge: photos online are lit and angled to sell. Always ask for a video of the stone moving in natural light.

So, are classic rings out?

No. A round white diamond in a plain setting is still beautiful, still meaningful, and still the most popular choice on earth.

But it is no longer the only way to signal that something matters.

Gen Z did not reject tradition. They followed the same instinct their grandparents had — find the stone nobody else can get — and simply noticed that the stone had moved.

Start with the stone, not the setting

At Raza Gems we cut 100% natural gemstones and manufacture custom jewellery in our own Dubai workshop. Factory-direct, no middleman markup, and no stone swapped between the tray and your finger.

Send us a photo of what you like, and we will show you loose stones that fit it.

• 📍 Gold & Diamond Park, Al Quoz Industrial Area 3, Dubai
• 💬 WhatsApp +971 58 585 8602
• 🌐 razagems.com

Sources: The Knot Worldwide 2026 Real Weddings Study; JCK; Rapaport; StoneAlgo and Edahn Golan Diamond Research price data; GIA. Figures reflect data published to July 2026.