KARATZ Custom Made

Jewelry where the Gemstone is the Star

KARATZ gathers a wide variety of unique and charming gemstones,
sourced from around the world by our gemologists.

With KARATZ, you can enjoy gemstones more closely
through your own original jewelry
that only KARATZ can create.

Entrust your custom order to
trusted craftsmen.

Because custom-made jewelry is one-of-a-kind,
you'll want to be truly satisfied with it, right? "Can this stone be made into jewelry?"
"Will these colors match?"
If you have any such concerns,
please consult KARATZ.

KARATZ handles approximately 500 custom jewelry orders a year.
Our certified jewelry coordinators and jewelry designers, who possess extensive knowledge of gem characteristics, will personally address your concerns.
The crafting is done by skilled Japanese artisans.
Each piece of jewelry is meticulously created, from the stone setting, to match the unique character of each gemstone.

Ordering is Easy in 4 Steps

Select the loose stone you wish to process and add it to your cart.

Choose your desired design and add it to your cart.

Order along with your loose stone.

Receive your completed jewelry (approx. 8 weeks).

In addition to orders from the KARATZ STORE, we also accept orders at events such as pop-up stores. For precautions and FAQs, please see here.

3 Types of Order Plans

KARATZ offers three types of custom order plans: Simple, Semi-Custom, and Full Custom.
Please choose according to your preferences and budget. All prices include tax.

Rings
Pendant
Tops
Earrings
& Piercings
Options

*marks may incur additional charges. Please see the option table or the custom order application page for each design for details.

Each Plan

Simple Order

【Designs】

3 types in total

【Price】

¥55,800～¥109,800

【Side Stones】

None

【Setting Style】

Prong setting, bezel setting, milgrain*
See here for details
Semi-Custom Order

【Designs】

17+ types

【Price】

¥55,800～¥178,000

【Side Stones】

Diamonds（VS-class equivalent colorless, D~H color, H&C - Hearts & Arrows）
Color stones*
*Some designs do not include side stones.

【Setting Style】

Prong setting, bezel setting*, milgrain*
*Some designs do not allow selection of setting style.
See here for details
Full Custom Order

We will create a design from scratch to match your vision.
Please inquire via the chat on the bottom right for details.
We have a track record of over 100 full custom orders.
You can view examples of our work here to aid your consideration.

Common Specifications

【Material】

Pt950

K18*Please choose from the following 3 types:
YG (Yellow Gold)
PG (Pink Gold)
WG (White Gold)*
【Loose Stone (Gemstone) Size】

Pinky ring: Up to 0.3 ct
Ring: Up to 2.0 ct
*For sizes larger than the above, an optional fee* will apply.
【Ring Size】

Pinky ring: -3.0 to 6号 (Japanese ring sizes)
Ring: 8 to 15号 (Japanese ring sizes)
*Made in 0.5 size increments.
*For sizes larger than the above, an optional fee* will apply.
【Delivery Time】

Approximately 8 weeks
*Processing/shipping is closed on weekends and holidays.

Designs

Solo

Vivace

Pomme Blanche

Aincel

¥178,000

See All Designs

Ring Production Examples

Amabile

Legato

Bizarro

Dolce

See More Production Examples

For design consultations or estimates,
please feel free to contact us via the chat
on the bottom right.

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*marks may incur additional charges. Please see the option table or the custom order application page for each design for details.