NURVE lower part
Reference price
white diamond
| 0.5ct | 1.0ct | |
|---|---|---|
| Ruth | 520,000 yen | 620,000 yen |
| necklace | 670,000 yen | 774,000 yen |
| large diamond ring | 700,000 yen | 810,000 yen |
pink diamond
| 0.5ct | 1.0ct | |
|---|---|---|
| Ruth | 850,000 yen | 870,000 yen |
| necklace | 1,004,000 yen | 1,024,000 yen |
| large diamond ring | 1,030,000 yen | 1,060,000 yen |
blue diamond
| 0.5ct | 1.0ct | |
|---|---|---|
| Ruth | 710,000 yen | 830,000 yen |
| necklace | 864,000 yen | 984,000 yen |
| large diamond ring | 890,000 yen | 1,020,000 yen |
It may vary.
Please contact us for details.
white diamond
| 0.5ct | 1.0ct | |
|---|---|---|
| Ruth | 520,000 yen | 620,000 yen |
| necklace | 670,000 yen | 774,000 yen |
| large diamond ring | 700,000 yen | 810,000 yen |
pink diamond
| 0.5ct | 1.0ct | |
|---|---|---|
| Ruth | 850,000 yen | 870,000 yen |
| necklace | 1,004,000 yen | 1,024,000 yen |
| large diamond ring | 1,030,000 yen | 1,060,000 yen |
blue diamond
| 0.5ct | 1.0ct | |
|---|---|---|
| Ruth | 710,000 yen | 830,000 yen |
| necklace | 864,000 yen | 984,000 yen |
| large diamond ring | 890,000 yen | 1,020,000 yen |
The diamond that grows
until it arrives
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Flow1
Please select your desired jewelry, carat weight, etc., and purchase.
If you would like to check the actual product or consult with us, please contact us.Contact usPlease contact us. -
Flow2
Our store will contact you regarding the shipping method and confirmation of the contents to be sent.
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Flow3
Please send us the item to be turned into a diamond.
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Flow4
We grow diamonds in our growing lab. You can check the training status online.
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Flow5
We will deliver the diamond's growth certificate and appraisal to you within two months at the earliest.
Can be kept
About the item
Reference example
- marriage certificate
(paper) - two people's hair
We can handle even just a single strand of hair.
If you are unable to grow enough diamonds, please contact us as there are various methods available.
*There are some substances that generate something other than carbon when burned, and some that cannot be accepted due to social conventions.
(Example) Buttons, sequins, plastics such as polyester, body parts
Customer testimonials

I felt like our two thoughts became one.
When I was registering my marriage, I decided to ask for a diamond made by the two of us, which I would choose together with my partner.
The moment we received the completed diamond, we both looked at each other and burst into laughter with such joy.
Every time I look at it, my feeling that we are going to walk together from now on becomes stronger.

A special wedding anniversary that we were able to choose because we were convinced by seeing the real thing.
It's been 20 years since we got married.
To commemorate the milestone, they decided to make a diamond by combining their hair.
By being able to see the real shine in the showroom, I felt that I could trust this place.
The fact that they were carefully raised in a domestic laboratory gave me great peace of mind.
Now, it shines in my hand as a commemorative ring, gently reminding me of the years I've come so far.

It is a treasure that allows you to feel the bond between two people at any time in your daily life.
I was truly moved to see a part of the two's feelings crystallize and shine like this.
Every time I look at this diamond, I feel like the time we will spend together and the small memories we will have together are gently engraved inside this treasure, and every time I pick it up, I feel warm.
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Frequently asked questions
What is the mechanism behind growing diamonds?
The process is very similar to making lab-grown diamonds. We use special equipment to extract the carbon source that forms the basis of diamonds from your precious items, and synthesize the carbon into the core diamond to grow the diamond.
Can diamonds really be made from hair and human remains?
Yes, you can receive our service if the product can extract carbon sources.
Is there any difference from natural diamonds?
The big difference is where they grew up. With the latest technology, it is now possible to recreate the environment in which natural diamonds are produced in a laboratory. The quality, brilliance, and chemical properties are the same as natural diamonds.
How long will it take to complete?
The diamond will be carefully grown in Japan for approximately two months.
How much can I start making one?
Prices vary depending on the item you want and in-store campaigns, but you can start from around 500,000 yen.
Can I order only online?
You can also order online. Please note that if you order online, you will not be able to leave the item at the store or receive the finished product; all items will be shipped by mail.
Can I see the actual product at the store?
Yes, you can view sample products. If you would like to check the actual finish and size, you can do so at any of the stores listed on the store list page.
Please let us know in advance if you would like to visit our store using the inquiry form so that we can guide you smoothly.
How many sizes and designs can I choose?
You can choose diamonds from 0.5ct. If you want to make jewelry, you can choose rings, necklaces, etc.
Is the quality of the diamonds you grow guaranteed?
Yes, our loose diamonds are of the highest quality and come with a FupVSupEXup IGI certificate.
Will I receive an appraisal or certificate?
For each diamond, we will include a certificate of authenticity for the core diamond and a certificate that confirms that we have grown the diamond in your possession.
Is it possible to participate as an agent/dealer?
Yes, we are recruiting. If you are considering this, please first contact us via official LINE or the inquiry form.
Available stores
For confirmation of sample products or consultation, please contact us.
We also accept orders at our stores.


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Nurturing Diamond Main Store
4-1-4 Nakazaki Nishi, Kita-ku, Osaka City, Osaka Prefecture
Secret base 1F
3 minutes walk from Exit 2 of Nakazakicho Station on the Subway Tanimachi Line.
15 minutes walk from each line of Osaka Station
Next to the left of Osaka Nakazakicho Post Office
TEL 06-777-7370
Business hours -
AFFLUX | AFFLUX Osaka Umeda Main Store
Herbis PLAZA ENT 2F, 2-2-22 Umeda, Kita-ku, Osaka
TEL 0120-15-8481
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Nurturing Diamond Kanto Sales Company
Please feel free to call us for sample confirmation and consultation.
TEL 03-5542-1269
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OPERA Koriyama Main Store
1-35 Minami, Koriyama City, Fukushima Prefecture
TEL 024-922-4500
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Yamatoya Gotemba main store
1-18-18 Higashitanaka, Gotemba City, Shizuoka Prefecture
TEL 0550-82-0090
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OPERA Koriyama Main Store
1-35 Minami, Koriyama City, Fukushima Prefecture
TEL 024-922-4500
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KITAGAWA (Kitagawa Jewelry)
2-8-2 Gofukumachi, Aoi Ward, Shizuoka City, Shizuoka Prefecture
TEL 054-252-0453
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jewelry element
1-222 Ida-cho, Okazaki City, Aichi Prefecture
TEL 0564-24-7744
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jeweler kiyota
7-3 Kamidori-cho, Chuo-ku, Kumamoto City, Kumamoto Prefecture
TEL 096-324-1010
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Minoru Kusatsu store
Al Plaza Kusatsu 1st floor, 1-23-30 Nishishibukawa, Kusatsu City, Shiga Prefecture
TEL 077-561-6148
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Minoru Kusatsu store
Al Plaza Kusatsu 1st floor, 1-23-30 Nishishibukawa, Kusatsu City, Shiga Prefecture
TEL 077-561-6148
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jeweler kiyota
7-3 Kamidori-cho, Chuo-ku, Kumamoto City, Kumamoto Prefecture
TEL 096-324-1010

We are changing,
Make it into shape.
We embody how love evoles.
From the trajectory of you and your partner
Would you like to grow a diamond that will shine forever?