Once you have settled on turning part of your grandmother’s ashes or hair into a diamond, the waiting becomes its own question. A grandmother memorial diamond timeline typically runs 6 to 10 months from the day a provider receives her material, and larger stones of roughly 2 carats and up, or specialty colors, can stretch toward 12 months. The size you choose, far more than how much material you send, is what shapes that wait.

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How Long Does a Grandmother Memorial Diamond Timeline Usually Run?
Across the industry, a grandmother memorial diamond timeline usually falls between 6 and 10 months, counted from when the provider has her ashes or hair in hand. Stones of about 2 carats or more, and specialty colors, can take up to around 12 months.
That range is an industry-typical figure, not a promise from any one company. Every provider sets its own schedule, so the grandmother memorial diamond timeline that matters for your family is the one a specific provider is willing to put in writing for the exact stone you want.
It also helps to know what the clock does and does not include. The time you spend talking with relatives, deciding who holds authority over her remains, and comparing providers comes before any grandmother memorial diamond timeline begins. Work done after the stone is finished, such as mounting it in a ring or pendant, may or may not be counted inside a quoted schedule, which is why it is worth asking.
Why Does Growth Time, Not the Amount of Ash or Hair, Set the Wait?
The short answer is that a diamond’s size comes from how long it grows, not from how much starting material arrives. A larger carat means a longer stretch in the growth press, and that single choice moves the overall grandmother memorial diamond timeline more than anything else.
This surprises people, because it feels intuitive that a full urn would shorten the grandmother memorial diamond timeline or yield a bigger stone. It does not work that way. Ashes are mostly calcium phosphate, the mineral of bone, and usable carbon in ash is only around 0.5% to 4% by weight. Hair is roughly 50% carbon, because it is built from keratin. In both cases the personal carbon is purified, and supplemental lab carbon is typically blended in so there is enough to grow a stone of meaningful size.
For ashes, the personal carbon usually makes up around 10–15% of the finished stone’s mass, though some providers cite figures as low as about 3% and others cite more. No comparable published figure exists for hair or for a blend of ash and hair, so that is a question to ask a provider in writing. What stays true either way is that a real, traceable portion of her own carbon becomes part of the crystal.
Most memorial stones are grown with HPHT, the industry-standard method, which recreates roughly 6–8 GPa of pressure and temperatures of about 1,400–2,500°C around a small diamond seed. A minority of providers use CVD instead. The overview of how synthetic diamonds are grown explains both methods if you want the science behind the press.
Because carats are typically offered from about 0.10 up to 5 or more, the size you pick is really a decision about time as much as about appearance. If a small stone feels right, your grandmother memorial diamond timeline may sit nearer the shorter end of the range. If you want something larger, you are choosing a longer grandmother memorial diamond timeline along with it, and it is fair to ask a provider how much longer in writing.
What Are the 8 Stages of a Grandmother Memorial Diamond Timeline?
A grandmother memorial diamond timeline moves through eight broad stages, from your first decisions to the finished piece in your hands. Providers describe and group these differently, and none of the stages below comes with a fixed duration, apart from growth, which typically takes weeks to months.
| Stage | What happens | What you decide |
|---|---|---|
| 1. Order and choices | You choose a provider and confirm the stone’s specifications | Carat, color goal, cut, and whether you want grading or a setting |
| 2. Sending and logging | Her ashes or hair travel to the provider and are recorded on arrival | How the material is packed and sent, using the provider’s instructions |
| 3. Extraction and purification | Carbon is separated from everything else and purified to roughly 99.9% or higher | Usually nothing; ask what records you will receive |
| 4. Graphitization | Purified carbon is heated to about 2,500–2,700°C and turned into graphite | Usually nothing at this point |
| 5. Growth | Graphite carbon, typically blended with lab carbon, grows into a rough diamond around a seed | Size was set at the order; growth takes weeks to months |
| 6. Cutting and polishing | A cutter shapes the rough crystal into the chosen cut | Cut shape, if not already fixed |
| 7. Optional finishing | Irradiation for some colors, where a provider offers it; optional independent grading | Whether to add either |
| 8. Setting and delivery | The stone is mounted, if you asked for it, and sent with its paperwork | Metal, setting style, engraving |
Two documents can come out of the final stages, and they are different things. An authenticity or origin certificate, usually issued in-house, records the chain of custody that ties the stone to her material. A grading report, ideally from an independent lab working to standards such as the GIA’s 4Cs of diamond quality, describes the stone’s own cut, color, clarity and carat. Memorial stones typically grade somewhere between SI2 and VVS for clarity.
If you are curious about what each stage involves in more detail, the walkthrough of how a memorial diamond is made from your grandmother’s ashes follows the material through the lab step by step.

What Can You Do Before Sending Her Ashes or Hair?
Before a single gram of ash or a lock of hair leaves your home, there is room to move at your own pace. None of this is on the provider’s clock: the grandmother memorial diamond timeline only starts once her material arrives, so the weeks or months you spend preparing do not need to be rushed.
A few things are worth doing in this quieter stretch:
- Talk with the people who loved her. A parent, aunt, uncle, cousin or sibling may feel strongly about her remains. Starting those conversations early gives everyone room to respond, and the guide on talking with relatives about a grandmother memorial diamond offers ways to open them gently.
- Work out who holds authority over her ashes. The answer depends on the state, with no one rule nationwide. Where there is a surviving spouse or partner, they and her adult children commonly rank ahead of grandchildren, though any written wishes she left can change that order.
- Look at hair as another route. If her ashes are held by someone else, or she was buried, hair needs no cremation at all. Hair you already keep at home tends to be simpler in practice, because the rules about cremated remains target the remains, yet personal belongings may still count toward her estate, and state rules differ. Hair held by a relative is a conversation, not a decision you make alone.
- Compare providers side by side. Ask each one for its quoted grandmother memorial diamond timeline in writing, what that schedule covers, and how it handles your grandmother’s material from arrival onward.
- Think about the stone itself. Size, color and cut each shape the final grandmother memorial diamond timeline, so settling them before ordering avoids changes later.
If you are a grandchild and someone else holds authority over her ashes, a respectful route is to ask that person for a small portion. Only part of the ashes is typically used, so the rest can still be kept, scattered or interred as already planned. The complete guide to a grandmother ashes diamond covers that ground in more depth, and the complete guide to a grandmother hair diamond covers the hair route.
Can You Start Years After She Died?
Yes, in general you can begin at any point. The grandmother memorial diamond timeline is counted from when a provider receives her material, not from the date of her death, so a gap of one year or twenty does not add months to the wait.
What matters more is what is available now. Providers typically ask for a few tablespoons up to roughly 4 oz (about 100 g) of ashes, so a share kept by one branch of the family may be enough. Whether ashes or hair that have been stored for a long time, or divided among relatives, are still suitable is a question to put to the provider before ordering, along with whether the amount you have fits the size you want.
If her ashes were interred or scattered, a hair-based stone may be a path to consider instead, provided hair was saved. Hair typically needs only a small lock or a few grams. Whether hair kept for many years, or hair that is gray, white, dyed, permed or fine, is suitable is a question for the provider, not something anyone can promise in advance.
If the idea was not on the table at the time of the funeral, that is no reason to rule it out now. A stone begun long after her death is no less hers for the gap.
Can You Plan Around an Anniversary, a Wedding or a Birthday?

You can plan with a date in mind, but nobody can honestly promise the stone will arrive by it, because every grandmother memorial diamond timeline depends on the provider and the stone chosen. The safest approach is to tell a provider the date early, ask in writing whether they think it is realistic for the stone you want, and leave yourself a margin.
Some people hope to have a piece ready for the anniversary of her death, a cousin’s wedding, or what would have been her birthday. If you are working back from a date like that, it helps to count the grandmother memorial diamond timeline from when the provider will actually receive the material, not from when you first get in touch. Shipping, paperwork and the provider’s own intake all happen before the main stages begin.
A few honest ways to plan around a meaningful date:
- Share the date with each provider you compare, and ask whether their written schedule leaves room for it.
- Ask whether a smaller stone, which usually means less growth time, would shorten the grandmother memorial diamond timeline enough to make the date realistic.
- Decide in advance what you will do if the stone is not ready, such as marking the day another way and presenting the piece later.
- If several relatives need to agree before anything is sent, count that time too, since it comes before the provider’s schedule begins.
If the piece is meant for a wedding, it can also be worth asking about setting work separately, since a ring or pendant may need its own design and fitting stage that a quoted grandmother memorial diamond timeline does not always include.
What Can Make a Grandmother Memorial Diamond Timeline Longer?
The main factors that can lengthen a grandmother memorial diamond timeline are a larger carat, a specialty color, optional irradiation, and setting or engraving work after the stone is cut. Each is a choice you make rather than a delay that happens to you.
- A larger carat. Bigger stones need longer in the growth press, which is why stones of roughly 2 carats and up are the ones most associated with a wait of up to around 12 months.
- A specialty color. Nitrogen tends to give yellow and boron tends to give blue, while colorless stones need neither and usually cost more. Colors such as red, pink, green or black typically come from post-growth irradiation, which some providers offer and which adds a stage. No provider can make color fully predictable.
- Optional independent grading. Sending a stone to an outside lab for a grading report is an extra step that may add time to the grandmother memorial diamond timeline.
- Setting and engraving. Mounting the stone in a ring, pendant or earrings, or engraving the metal, is jewelry work that comes after the diamond itself is finished.
- Changes after ordering. Changing size, color or cut once the stone is underway may affect the schedule; ask how a provider handles that before you commit.
For a sense of how color choices play out, the guide to memorial diamond colors for a grandmother walks through what to realistically expect. And because size and color drive both the grandmother memorial diamond timeline and the price, the breakdown of what a grandmother memorial diamond costs is worth reading alongside this one.
Which Timing Questions Should You Put to a Provider in Writing?
The most useful thing you can do about timing is to get a provider’s answers in writing before any material is sent. A written answer gives you something specific to come back to, rather than a figure you remember from a phone call.
Questions worth asking about a grandmother memorial diamond timeline include:
- When does your schedule start: when I order, or when you receive her material?
- What is your written estimate for the exact carat, color and cut I want?
- Does that estimate include grading, setting and engraving, or are they separate?
- How and how often will you let me know where my order is?
- What happens if the stone is not ready by a date I have shared with you?
- If I change my mind about size or color after ordering, how does that affect the schedule?
- What happens to any of her material that is not used?
- Can more than one stone be made from the same material, and would they be made at the same time?
That last question matters if several grandchildren or cousins each want a piece. Several stones can often come from one source, and the guide on sharing a grandmother memorial diamond among family members covers how families approach it. For a fuller checklist beyond timing, see the questions to ask before turning your grandmother’s ashes into a diamond.
Frequently Asked Questions
Does sending more of her ashes make the diamond arrive sooner?
No. Carat size comes mainly from growth time, not from the amount of ash or hair supplied. Sending more material does not shorten the grandmother memorial diamond timeline or automatically produce a bigger stone. Ask the provider how much they need for the size you want.
Is a stone made from her hair faster than one made from her ashes?
The industry range of roughly 6 to 10 months is quoted for both, and no published figure shows hair alone shortening a grandmother memorial diamond timeline. Size and color choices drive timing more than material type. Ask each provider whether material changes their written schedule.
Will I hear anything while her diamond is being made?
That depends entirely on the provider. Some may share updates at certain points in the grandmother memorial diamond timeline and others may not, so ask before ordering how they will keep you informed, how often, and whom to contact with questions while the stone is in progress.
Can I cancel or change the order once her material has been sent?
Terms for cancellations and changes differ from one provider to the next, and they can depend on how far the stone has progressed. Ask for those terms in writing before you send anything, including what happens to her material.
Does choosing a colorless stone change how long it takes?
Colorless stones need neither nitrogen nor boron during growth and usually cost more. Whether it also lengthens the grandmother memorial diamond timeline varies by provider, so ask directly. Specialty colors and optional irradiation are the color choices most associated with a longer wait.
What is a sensible amount of margin before a family date?
There is no single right margin, because every grandmother memorial diamond timeline depends on the provider and the stone. Share your date early, ask for a written estimate, and plan a gentle alternative for the day in case the finished piece arrives a little later.
Final Thoughts on Waiting for Her Diamond
Months can feel long when you are holding someone’s memory carefully. Some people find the waiting becomes part of the remembering: time to talk with family, to choose a setting, to decide who will wear it first. However long the grandmother memorial diamond timeline turns out to be, the stone that arrives will carry a real portion of her, and that does not depend on how quickly it came.
Learn More About Grandmother Memorial Diamonds
- Grandmother memorial diamond FAQ: everything families ask answers to the wider questions in one place
- How much ash you need for a grandmother memorial diamond typical amounts and what happens to the rest
- How much hair you need for a grandmother memorial diamond the hair route, including when she was buried
- Choosing a memorial diamond for your grandmother where to begin if you are still deciding
Talk With Memorial Diamond
Timing questions are easier with a real person on the other end. If you have a date in mind for your grandmother’s stone, or you simply want to understand what a grandmother memorial diamond timeline could look like before deciding anything, you can write to Memorial Diamond and ask. Half-formed plans are welcome; you can take each reply slowly.

