Are memorial diamonds real diamonds? An honest answer

Yes. A memorial diamond made from ashes or hair is a real diamond. It has the same chemical structure, hardness and brilliance as a diamond mined from the earth. The only differences are where the carbon came from and where the diamond was grown.

It's an understandable question. The idea of turning a loved one into a diamond can sound too remarkable to be true, and there are plenty of keepsakes on the market — resin beads, glass, crystals — that look similar at a glance. This guide explains what makes a diamond a diamond, how a memorial diamond is made, and how you can check one for yourself.

What makes a diamond a diamond?

A diamond is pure carbon, with its atoms locked into a rigid crystal structure. That structure is what gives diamond its extraordinary hardness — 10 on the Mohs scale, the highest of any natural material — and the way it bends and scatters light.

It doesn't matter whether that crystal formed over billions of years deep underground or over weeks in a laboratory. If it's carbon in a diamond crystal structure, it's a diamond.

	Mined diamond	Lab-grown diamond	Memorial diamond
Made of	Pure carbon	Pure carbon	Pure carbon
Hardness	10 (Mohs)	10 (Mohs)	10 (Mohs)
Where it forms	Deep in the earth	Laboratory	Laboratory
Carbon source	Ancient geological carbon	Commercial carbon	Your loved one's ashes or hair
Graded by independent labs	Yes	Yes	Yes

A memorial diamond is a type of lab-grown diamond. What sets it apart is the carbon — taken from one person or pet and kept separate through every step.

How carbon from ashes or hair becomes a diamond

Carbon is one of the building blocks of every living thing. After cremation, a small amount remains in the ashes. Hair is especially rich in it.

1. Carbon is extracted. The ashes or hair are processed to separate the carbon from other minerals.
2. It's purified into graphite. The carbon is refined until it is pure enough to grow a diamond.
3. The diamond is grown. The graphite is placed in a press under enormous pressure and heat — the same conditions that form diamonds deep in the earth. This is known as HPHT (high pressure, high temperature).
4. It's cut and polished. The rough diamond is cut by hand into a round brilliant to bring out its sparkle.
5. It's independently graded. The finished diamond is sent to an independent gemological laboratory for grading.

For a fuller walk-through, see how it works.

How you can tell it's real

Independent grading

Every Endura diamond comes with a grading report from IGI (International Gemological Institute), one of the world's largest independent diamond laboratories. IGI tests the stone and records its carat weight, colour, clarity and cut, and confirms that it is a laboratory-grown diamond.

Any jeweller can also confirm it's a diamond with a standard diamond tester, and a gemologist can verify the grading.

What certification does — and doesn't — prove

It's worth being clear about this. An IGI report proves the stone is a genuine diamond and describes its quality. It doesn't, and can't, prove whose carbon it was grown from — no laboratory test can trace a diamond back to a specific person.

That assurance comes from chain of custody: how your loved one's ashes or hair are tracked from the moment they arrive to the moment the diamond is returned. When you compare providers, ask how they label, track and separate each order, and whether any unused material is returned to you.

Common myths

"It's just ashes set in glass or resin." Those are different products — cremation jewellery that holds ashes inside a bead or chamber. A memorial diamond contains no ashes at all; it's grown from the carbon within them.

"Lab-grown means fake." Lab-grown diamonds are real diamonds. Simulants like cubic zirconia and moissanite are the stones that only look like diamonds, and a standard tester tells them apart.

"It won't last." A diamond is the hardest natural material known. With normal care, a memorial diamond will outlast all of us and can be passed down for generations.

"It'll look cloudy or grey." A well-grown and well-cut memorial diamond is bright and clear. Trace elements can occasionally give a very slight tint, which the IGI report records.

Frequently asked questions

Would a jeweller be able to tell it's a memorial diamond?

A jeweller would identify it as a lab-grown diamond, as specialist equipment can tell lab-grown from mined. Nothing in the stone shows it was made from ashes — that's something only you know.

Is a memorial diamond as hard as a normal diamond?

Yes. It's 10 on the Mohs scale, the same as any diamond, so it's suited to rings and pendants worn every day.

Can a memorial diamond be set like any other diamond?

Yes. We supply loose, certified diamonds, so you can have yours set by a jeweller you trust, in any style you like.

Does using hair instead of ashes change the diamond?

No. Both are sources of carbon, and the finished diamond is the same. Hair simply contains more carbon, so less is needed.

Real, lasting and theirs

A memorial diamond is a genuine diamond, independently graded, made from carbon that was once part of someone you love. When you're choosing a provider, look for independent certification, clear pricing and an honest answer about how your loved one's ashes or hair are tracked.

When you're ready, our Welcome Kit is the first step. It's $99, refundable and deducted from your diamond, and you can see every price up front on our pricing page.

Order your Welcome Kit →