This 1ct diamond ring is completely flawless, completely colorless, completely cut, and has the ultimate brilliance of the highest quality in the world.

The D color, FL, 3EX, Heart & Cupid diamond is a perfect diamond and is so beautiful that it seems to be absorbed! Rainbows overflow from the inside.
With GIACGLThe diamonds are double graded by GIA and GIA, guaranteeing the world's highest quality, flawless.

The highest quality of diamonds, D Color and FL Clarity 3EX Heart & Cupid Excellent, are far more lucrative, portable, and secure assets than cash, 24k gold, or real estate.

D Color is completely colorless and FL Clarity is completely flawless, meaning it is extremely pure with no internal inclusions of any kind and full of transparency.

This ring has a simple, elegant design that brings out the best of the diamond's beauty.
The high quality of the diamond and the sophisticated design will make your fingertips shine beautifully.

It is an asset more valuable than cash.
This is a gem that deserves to be a special gift for a commemorative diamond.

Cash is becoming less and less valuable, and it is predicted that in 10 years time, one million yen today will no longer be worth 500,000 yen, or even 300,000 yen.
In comparison, the highest quality diamonds are expected to be worth so much more in 10 years' time that a one million yen diamond will be worth 1.5 million yen, or even 2 million yen.

There is a big difference depending on what you choose to spend your precious property on.
For asset protection, diamonds are one of the most suitable.
We guarantee the lowest price 100% of the time for the same quality and deign!
The actual diamonds are so brilliant and shiny that they cannot be compared to the images!

You can see the actual diamonds in our office before you buy them.
Please make an appointment.

Main Stone: Natural diamond (1.05ct, D, FL, 3EX, Heart & Cupid)
side stoneNatural diamonds (0.20 ct. total)
metalMain stone: 18-karat gold (K18WG white gold)
Arm width: approx. 1.4 mm
Motif size: approx. 6.4 mm x 6.4 mm
Weight: approx. 2.88 g
Attachment: GIA certificateCGLgrading reportJewelry case

☆Items can be purchased after viewing and judging.
If you do not like what you see, there is no need to purchase, please feel free to visit us!♪
We can show you many other products!
Please reserve a time in advance to visit our office.

☆☆We offer free wrapping service!♪
Please feel free to ask us if you would like us to gift wrap your order.

☆☆☆We will do our best to give you the best possible discount if you purchase multiple items at once.
We look forward to working with you.

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)

Contact us

Natural diamonds with asset value Order Requests are also available.

Contact Us

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.