Item Name	Description
Accessories	GIA certificate of authenticity and case
Weight	5.26ct
Color	D color
Transparency	FLAWLESS
Cut	3EXCELLENT
Fluorescence	STRONG BLUE
Size	11.18-11.26 x 6.83mm
Appraisal Institution	GIA

The world's finest diamond! The diamond is D color, flawless quality, and the highest cut of 3EX, giving it an iridescent brilliance that captivates the eye.

In this global climate, diamonds are soaring as the safest and most portable asset.
Lowest price guarantee.
More valuable asset than cash.

Cash is rapidly declining in value, and 10 years from now, 10 million yen today is expected to be worth 5 million yen, or even 3 million yen less. In comparison, the highest quality diamonds are expected to be worth so much more in 10 years' time that you cannot even afford to buy them at twice the price.

There is a huge difference depending on what you choose to do with your precious possessions.
The world's wealthy are increasingly converting their cash into valuable physical objects.
For asset protection, diamonds are one of the most suitable.

They can be made into rings or necklaces.
You can see the actual piece before you make your purchase. By appointment, you can view the actual dazzling brilliance in the privacy of your office, without being seen.
There are many ways to purchase the ring, so please contact us to discuss your options.

Be the first to know when we launch.

If you don't like what you see, don't worry, you don't have to buy.*To protect your privacy, we do not allow other customers to enter the store, and we only accept reservations in advance.

Original processing available

We can create an original design from a loose piece of jewelry, and we can provide you with a 3D design drawing.

How to purchase

For your convenience, we accept cash, bank transfer, bitcoin, USDT, etc. We accept domestic and international remittances for purchases. We will be happy to discuss your needs with you in strictest confidence.

We are professionals, so we can talk about it.
Genuine and up-to-date information

Don't be fooled by rare gems! (Paraiba tourmaline, Demantoid, Alecats, Grandierite, etc...)

The most important point,
(1) That it is rare and unusual.
(2) Rare and valuable

The two are two very different things.
[Click here for more information.

Customer Testimonials

I have been interested in physical investments for some time and was considering investing in diamonds.
I first looked for information online, but found it difficult to find a reliable supplier, so I was introduced to Amazing Studio directly by a friend.
We later set up a business meeting and purchased loose diamonds.
The price has already skyrocketed, and we expect the price to go up in the future.

Kyoto, Japan Male (50s)

I was looking for a Paraiba tourmaline ring and came across this site.
（I have searched many websites (and I have found the right one!).
I wanted to check the product first, so I contacted the company and they were willing to help me and I was able to see the actual product.
I am very satisfied with the product, which is better than the price.

Tokyo, Female (40s)

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Natural diamonds with asset value Order Requests are also available.

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Amazing Kobo's commitment

Dealing in truly valuable gemstones We do not sell diamonds or colored gemstones that you will regret after your purchase.
We recommend diamonds and colored stones that you will be glad you bought and that you will be proud to show off. View Details Page

Worldwide network of gemstones We have a worldwide network of rough gemstones and offer the highest quality diamonds, rare gemstones, and other items that are No. 1 in Japan.
We can find diamonds and rare gems that you cannot find anywhere else. View Details Page

Thorough after-sales service As professionals, we do not engage in irresponsible business practices that end with the sale.
We also respond to requests for replacement or resale of purchased products. View Details Page

About Amazing-Kobo Diamonds and rare stones are not the same no matter where you buy them.
Diamonds and rare stones do not shine with brand names.
Their quality and size determine their value according to international standards.

Do not buy!
3 essentials for selecting diamonds and rare gemstones to avoid losing money. For more information, click here.

Quality & Warranty

Granding report・Identification report Our products come with certificates of authenticity and identification by professional institutions such as GIA and the Central Gemological Laboratory, which strictly certify the quality of our products, providing our customers with a sense of security and trust.

Guarantee We offer a full warranty for repairs and after-sales service to ensure that you can enjoy your jewelry for a long time after purchase.

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Natural diamonds with asset value Order Requests are also available.

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GIA Certificate] The world's finest super-large 5ctUP D FL 3EX diamond! loose (Copy)