Amazing Collection
miraculous encounter
Even if you search the world, there are stones that you will never find again. We do not list prices and will only provide details to those who inquire.
![Highest asset value, fantastic brilliance 22.35ct fancy blue IF TYPE2B natural diamond K18WG/PG ring [GIAgrading report]](http://amazing-kobo.com/cdn/shop/files/191415_0.jpg?v=1741141398&width=700)
PRICE ON REQUEST
Highest asset value, fantastic brilliance 22.35ct...
Please contact us
![100ct! Completely colorless, flawless, and truly valuable natural diamond loose [GIAgrading report] 102.62ct D FL EX EX none Diamonds are cheaper than cash!](http://amazing-kobo.com/cdn/shop/products/i-img500x312-1627386916y3kmpr8484.jpg?v=1646208140&width=700)
PRICE ON REQUEST
100ct! Completely colorless, flawless, and truly ...
Please contact us
![The world's largest! Top quality! GIA 52.09ct D FL 3EX TYPE2A Natural Diamond loose [GIAgrading reportBook included] Purchasing method and price are negotiable](http://amazing-kobo.com/cdn/shop/files/0003_c842cbcd-f305-4314-9f9d-5db178c63ecf.webp?v=1770173747&width=700)
PRICE ON REQUEST
The world's largest! Top quality! GIA 52.09ct D F...
Please contact us
![Top quality! GIA 33.29ct D FL 3EX TYPE2A Natural Diamond loose 33.29 carats [GIA grading reportWith book]](http://amazing-kobo.com/cdn/shop/files/1100833.jpg?v=1761026943&width=700)
PRICE ON REQUEST
Top quality! GIA 33.29ct D FL 3EX TYPE2A Natural ...
Please contact us
![Ultimate Beauty Perfect! 30ct D FL 3EX TYPE2A Natural Diamond loose Round brilliant cut [GIAgrading report]](http://amazing-kobo.com/cdn/shop/products/i-img600x801-1667542401nnamvd65167.jpg?v=1667543810&width=700)
PRICE ON REQUEST
Ultimate Beauty Perfect! 30ct D FL 3EX TYPE2A Nat...
Please contact us
![[Cartier] 6.32ct Fancy Intence Pink Natural Pink Diamond/6.03ct D Color IF 2EX Natural Diamond K18 WG White Gold Earrings [GIAgrading report]](http://amazing-kobo.com/cdn/shop/files/cartiertop.jpg?v=1710733111&width=700)
PRICE ON REQUEST
[Cartier] 6.32ct Fancy Intence Pink Natural Pink ...
Please contact us
Our Stones
Gems we handle
Amazing-Kobois a manufacturer and wholesaler that handles the world's largest and highest quality jewelry, leveraging its worldwide network of jewelry. We only purchase stones that can maintain their value as assets directly from the source.
- Natural Diamonds, Natural Colored Diamonds, Pigeon Blood Rubies, Cornflower Sapphires, Colombian Emeralds, Brazilian Emeraldsparaiba tourmaline, Alexandrite from Russia
We also purchase jewelry purchased from our workshop.
With over 30 years of experience and track record, we discover the true value of the stone and appraise it based on the market price.
Access/Reservation
Amazing-Kobo
- 所在地
- 〒110-0041
Room 901, Okachimachi Green Heights, 6-1-6 Ueno, Taito-ku, Tokyo - アクセス
- 3 minutes walk from JR Okachimachi Station
2 minutes walk from Tokyo Metro Ueno Hirokoji Station - 営業時間
- Weekdays 10:00-17:00
Available on LINE on Saturdays, Sundays, and holidays.
There is no permanent exhibition. Advance reservations are required for your visit. If you specify the jewelry you would like, we will prepare it for you to view on the day.
Journal
journal
The quality of a stone can only be determined by knowing it. We will tell you how to look at gemstones from a workshop that has been dealing with rough stones for 30 years.
20ctArtistically developed cutting techniques are indistinguishable from magic.
Magic Cut: Create 24ct D FL 3EX TYPE2A in 10 days
We have received an...
Read more
ノーヒートThe secret of non-heating that 99% of people don't know: Is non-heating more valuable than heating?
In the world of colored gemstones like rubies and sapphires, the word...
Read more
20ctWhich brand owns the world's top 3 highest quality perfect diamonds???
An asset more valuable than cash is “the world’s rarest diamond”What ...
Read more
![Relationship between diamond brilliance and cut | Is 3EX really the strongest? [Shocking] The brilliance of a diamond cannot be explained just by its cut! ?](http://amazing-kobo.com/cdn/shop/articles/dia240202_c710a623-33e9-4765-9ec1-7d0188e053d7.jpg?v=1788849867&width=720)
3EXRelationship between diamond brilliance and cut | Is 3EX really the strongest? [Shocking] The brilliance of a diamond cannot be explained just by its cut! ?
"I read on the internet that 3EX cut SI class diamonds have the best ...
Read more
Latest posts
YouTube
TikTok