KARATZ Custom Made

Jewelry with gemstones as the main focus

KARATZ is home to a large collection of unique and attractive gemstones purchased by gem appraisers from all over the world.

Only KARATZ can create
We hope that by creating your own original jewelry, you will be able to enjoy gemstones more closely.

Custom-made products from trusted makers

Because it is a one-of-a-kind custom-made piece of jewelry,
I want to make something that I can truly be satisfied with.
"Can this stone be made into jewelry?"
Will this color combination suit me?
If you have such concerns,
Please feel free to contact KARATZ.

KARATZ delivers approximately 500 pieces of custom-made jewelry per year.
Our qualified jewelry coordinators and jewelry designers, who are well-versed in the characteristics of stones, will be happy to answer any questions you may have.
The products are made by skilled Japanese craftsmen.
We carefully create jewelry from the stone setting, matching each stone to its unique characteristics.

Order in 4 easy steps

Add the gemstones you want to make into jewelry to your cart

Add the custom order application page to your cart

Order jewelry and custom order page at the same time

Delivery will take approximately 6 to 8 weeks

In addition to ordering from the Caratz Store, we also accept orders at events such as pop-up stores. Please see here for important information and FAQs.

Three types of order plans

KARATZ offers three types of custom-made plans: simple, semi-order, and full order.
Please choose according to your taste and budget. All prices include tax.

ring
Pendant top
Piercings
earrings
option

* Items marked with an asterisk may incur additional charges. For details, please see the options table or the custom order page for each design.

Each plan

Simple Order

【design】

All 3 types

【price】

¥55,800～¥94,800

[Wakiishi]

none

[How to fasten]

Prong setting, bezel setting, milgrain*
For more information, please click here
Semi-custom order

【design】

Over 17 types + limited time slots

【price】

¥49,800～¥178,000

[Wakiishi]

Diamond (VS class equivalent colorless, D to H color, H&C, Heart & Cupid)
Colored stones *
*There are also designs without side stones.

[How to fasten]

Prong setting, bezel setting * , milgrain *
*For some designs, you cannot choose the fastening method.
For more information, please click here
Full order

We will create a design from scratch to match your image.
For more information, please contact us via the chat in the bottom right.
We have a track record of 100 full-order orders in the past.
Please see our production examples here . We hope they will be useful when you consider your options.

Common Specifications

【material】

Pt950

K18 *Please choose from the following three types.
YG (yellow gold)
PG (pink gold)
WG (white gold)*
[Loose stone (gemstone) size]

Pinky rings: up to 0.3ct Rings: up to 2.0ct *If the size is larger than the above, an optional fee * will be charged.
[Ring size]

Pinky rings: -3.0 to 6 Rings: 8 to 15 *Made in 0.5 size increments.
*If the size is larger than the above, an optional fee * will be charged.
[Delivery days]

Approximately 6 to 8 weeks *Processing/shipping is closed on Saturdays, Sundays, and holidays.

What is the semi-order limited time frame?
The semi-custom plan offers limited-time designs that can be purchased through Instagram Live and pop-up stores.
For inquiries regarding the limited slots currently available for order, please contact us via the chat in the lower right corner.

design

Solo

Vivace

Pomme Blanche

Einsel

¥128,000

See all designs

Ring production examples

Amabile

Legato

Bizarro

Dolce

See other production examples

For design consultations and quotes, please use the chat on the bottom right.
Please feel free to contact us.

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* Items marked with an asterisk may incur additional charges. For details, please see the options table or the custom order page for each design.