Made in Sri Lanka

Sri Lankan Blue Sapphire 0.226ct Loose Sale price¥14,800

【11/2 22時販売】スリランカ産ブルーサファイア 0.518ctルース鑑別書 Sale price¥29,800

【11/2 22時販売】スリランカ産ホワイトサファイア 1.509ctルース鑑別書 Sale price¥39,800

【10/30 22時販売】スリランカ産イエローサファイア 1.996ctルース Sale price¥69,800

【10/30 22時販売】スリランカ産イエローサファイア 0.937ctルース Sale price¥29,800

【10/30 22時販売】スリランカ産イエローサファイア 1.181ctルース Sale price¥39,800

【10/30 22時販売】スリランカ産ピンクサファイア 0.524ctルース Sale price¥22,800

【10/30 22時販売】スリランカ産ピンクサファイア 0.586ctルース Sale price¥22,800

【10/29 22時販売】スリランカ産サファリン 0.245ctルース鑑別書 Sale price¥29,800

【10/29 22時販売】スリランカ産サファリン 0.149ctルース鑑別書 Sale price¥19,800

【10/29 22時販売】スリランカ産サファリン 0.143ctルース鑑別書 Sale price¥18,800

【10/29 22時販売】スリランカ産サファリン 0.148ctルース鑑別書 Sale price¥19,800

【10/27 22時販売】スリランカ産サファリン 2.8mm/0.102ctルース鑑別書 Sale price¥15,800

【10/27 22時販売】スリランカ産サファリン 3.1mm/0.143ctルース鑑別書 Sale price¥19,800

【10/27 22時販売】スリランカ産サファリン 3.9mm/0.212ctルース鑑別書 Sale price¥19,800

[Ref: 12564102] Pink Sapphire from Sri Lanka, 0.142ct loose stone Sale price¥9,800

[12563017 listed] Pink Sapphire 0.143ct Loose Stone Sale price¥12,800

K18WG スリランカ産ブルーサファイア 1.22ct ダイヤモンド0.14ctリング鑑別書

[9/4 (Lottery Sale_11)] 18K White Gold Sri Lankan Blue Sapphire 1.22ct and Diamond 0.14ct Ring with Appraisal Report Sale price¥128,000

Pt900 スリランカ産パープルサファイア 4.3mm/0.35ctダイヤモンド0.54ctリング鑑別書

[9/14 (Mon) 10:00 AM Deadline: Lottery Sale_12] Pt900 Sri Lankan Purple Sapphire 4.3mm/0.35ct Diamond 0.54ct Ring with Appraisal Report Sale price¥158,000

[Available 10/2 at 10 PM] Sri Lankan Pink Sapphire 4.1mm/0.354ct Loose Gemstone with Appraisal Report Sale price¥22,800

[Deadline: 9/5 (Sat) 10 AM: Lottery Sale_11] Sri Lankan Blue Spinel 3.419ct Loose Stone with Identification Report Sale price¥158,000

[Deadline: Sat, Sep 5, 10:00 AM: Lottery Sale_09] Sri Lankan Unheated Color-Change Sapphire 1.170ct Loose Stone, GIA certified Sale price¥188,000

[9/26 10 PM Release] Sri Lankan Green Zircon 0.739ct Loose Stone Sale price¥14,800

[Available 9/26 at 22:00] Sri Lankan Green Zircon 0.786ct Loose Gemstone Sale price¥15,800

[9/26 10:00 PM Release] Sri Lankan Green Zircon 0.702ct Loose Stone Sale price¥14,800

[Available 9/26, 10:00 PM] Sri Lankan Green Zircon 4.5mm/0.474ct Loose Gemstone Sale price¥9,800

[On sale 9/21 at 22:00] Sri Lankan Green Zircon 0.403ct Loose Stone Sale price¥5,980

Sri Lankan glass body (sapphire crystal) 7.983ct rough stone Sale price¥19,800

Sri Lankan glass body (sapphire crystal) 9.933ct rough stone Sale price¥29,800

Sri Lankan glass body (sapphire crystal) 10.140ct rough stone Sale price¥22,800

Pt900 スリランカ産ブルーサファイア0.465ct ダイヤモンド0.28ctリング鑑別書

[On sale 9/13, 10 PM] Pt900 Sri Lankan Blue Sapphire 0.465ct Diamond 0.28ct Ring with Identification Report Sale price¥118,000

[Available 9/29 at 10 PM] Sri Lankan Green Zircon 4.2mm/0.424ct Loose Gemstone Sale price¥8,800

[Available 10/9, 10 PM] Sri Lankan Green Zircon 1.113ct Loose Gemstone Sale price¥9,800

【Available Oct 15 at 10 PM】 Sri Lankan Green Zircon 0.802ct Loose Gemstone Sale price¥16,800

Violet Sapphire 4.3mm/0.328ct Loose Sale price¥15,800

[Available 9/10, 10 PM] 0.837ct Sri Lankan Moonstone Loose Stone Sale price¥12,800

[Available 9/7 at 10 PM] Sri Lankan Chrysoberyl Cat's Eye 4.3mm / 0.526ct Loose Gemstone Sale price¥15,800

[Available 9/11 at 10 PM] Sri Lankan Purple Sapphire 0.271ct Loose Gemstone with Identification Report Sale price¥18,800

[Lottery Sale ②_202608_08] Unheated Color Change Sapphire from Sri Lanka 1.140ct Loose Stone GIA Sale price¥258,000

【#202607 Akihabara Pop-up, Currently Out of Office】【12563057 Listed】Sri Lankan Royal Blue Sapphire 1.060ct Loose Stone Sale price¥188,000

[On sale 9/3 at 22:00] Sri Lankan Purple Sapphire 0.556ct Loose Gemstone with Identification Report Sale price¥55,800

【Available 9/3 at 10:00 PM】 Sri Lankan Purple Sapphire 0.376ct Loose Stone with Appraisal Report Sale price¥35,800

[Available 9/3, 10 PM] Sri Lankan Purple Sapphire 0.258ct Loose Gemstone with Identification Report Sale price¥25,800

【Available 9/3, 10:00 PM】 Sri Lankan Blue Sapphire 0.451ct Loose Gemstone with Appraisal Report Sale price¥29,800

[Lottery Sale ②_202608_10] Yellow Sapphire 2.190ct Loose GIT Sale price¥158,000

[Featured in 12563725] Sri Lankan Pink Sapphire 0.319ct Loose Sale price¥29,800

[On sale 8/23 at 10 PM JST] Sri Lankan Yellow Sapphire 1.100ct Loose Stone, Japan/Germany certified Sale price¥49,800

[On sale August 27th at 10 PM] Sri Lankan green sapphire 0.354ct loose stone with certificate Sale price¥12,800

KARATZ Custom Made

Why not take your favorite gemstone that you found at KARATZ and have it made into custom-made jewelry? It will be made by skilled Japanese craftsmen.
We carefully craft each piece of jewelry, starting with the stone setting, to match the individual characteristics of the gemstone.

KARATZ・Five Commitments

So that more people can feel closer to jewellery and enjoy it easily.
We will introduce KARATZ's thoughts on products, the attention to detail and efforts in selecting gemstones and creating jewelry.

KARATZ's Initiatives and Social Contributions

We will introduce KARATZ's efforts, including nurturing the next generation and business collaboration to develop the industry, and supporting children in Sri Lanka, the land of jewels.

KARATZ Books

These are books that KARATZ has been involved in writing, supervising, and planning. They are all books that allow you to enjoy gemstones from various angles. You can also purchase them directly.

jeweler's tools

For those who want to enjoy jewelry more but don't know what tools to use, we will introduce tools that are also used by KARATZ staff. You can also purchase them directly.