Ma line

【8/29 22時販売】タンザニア産ミントガーネット 0.296ctルース Sale price¥8,800

マダガスカル産アンデシン・ラブラドライト（通称名レインボームーンストーン） 0.116ctルース

【#202607 Akihabara Pop-up Store - Currently Displayed Off-site】【Listed as 12563184】Madagascar Andesine-Labradorite (Common Name: Rainbow Moonstone) 0.116ct Loose Gemstone Sale price¥14,800

Pt900 マンダリンガーネット 1.15ct・ダイヤモンド0.11ctペンダントトップ（ネックレストップ）鑑別書

[22602704 Posted] [Colorful] Pt900 Mandarin Garnet 1.15ct Pendant Top Sale price¥110,000

【Sales start: August 22nd, 10 PM JST】Tanzanian Mint Garnet 0.238ct Loose Stone Sale price¥12,800

[Sale starts August 21st, 10 PM JST] Limited 6 stones: Sri Lankan Uba Moonstone (round buff top cut, 6mm) - Multi-purchase discount available Sale price¥6,980

[Sale on August 23rd at 10 PM] Moldavite from former Czechoslovakia 9.1mm/2.296ct Loose Stone with Certificate Sale price¥32,800

[Sale on August 23rd at 10 PM] Old Czechoslovakia Moldavite 2.091ct Loose Stone with Certificate Sale price¥29,800

[On sale August 23rd at 10 PM] Old Czechoslovakia Moldavite 1.817ct Loose Stone with Certificate of Authenticity Sale price¥24,800

[Sale on August 23 at 10 PM] Old Czechoslovakia Moldavite 1.786ct Loose Stone with Certificate Sale price¥22,800

【Sales start 8/28 10 PM JST】Moldavite Loose Stone 2.265ct from former Czechoslovakia with Certificate Sale price¥29,800

"PSYCHO-PASS" x KARATZ Collaboration Jewelry: Public Safety Bureau Criminal Investigation Division Device-Inspired Ring - Enforcer Design [Tomoki Masatsugu Model] "Moonstone" Sale priceFrom ¥25,800

Limited to 32 stones: Namibian Mandarin Garnet, 1 loose stone (round cut, 2.5mm) [Multiple purchase discounts available] Sale price¥5,980

《Limited to 12 Stones》Madagascar Andesine-Labradorite (Rainbow Moonstone & Blue Moonstone) 2-Stone Set (Average 0.60ct)《Multiple Purchase Discount Available》 Sale price¥3,980

【KEN氏】モンテブラサイト 1石（4.5mm,ラウンドカット） - カラッツSTORE

Brazilian Montebrasite 1 stone (4.5mm, round cut) (Multi-item discount available) Sale price¥3,980

《Limited to 10 Stones》Beautiful Pink Brazilian Morganite Loose Stone 《Bulk Purchase Discount Available》 Sale price¥2,980

Limited to 8 pieces: 1 Nigerian Morganite loose stone (April birthstone, average 1 carat) Multiple purchase discounts available Sale price¥4,980

Limited to 6 stones: 1 Montebrasite stone from Madagascar (round cut, 4mm) Multiple purchase discounts available Sale price¥3,980

April birthstone Morganite rough stone and loose stone set of 2 (from Nigeria) {Multiple purchase discounts available} {For beginners} Sale price¥3,980

Morganite 1 stone (oval cut, 5 x 7mm)《New birthstone for April》《Discount available for multiple purchases》 Sale price¥3,980

《Limited to 5 Stones》Andesine-Labradorite from Balangoda, Sri Lanka (Rainbow Moonstone) (Pear Shape Buff-Top Cut, 5.0×3.0mm) 1 Stone Loose 《Multiple Purchase Discount Available》 Sale price¥5,980

《Limited to 5 stones》Sri Lankan Moonstone from Meetiyagoda (June birthstone, round buff top cut, 4.0mm) 1 loose stone《Multiple purchase discount available》 Sale price¥5,980

《Limited to 5 stones》Moonstone from Meetiyagoda, Sri Lanka (June birthstone, oval buff-top cut, 5.0×4.0mm) 1 loose stone《Multiple purchase discount available》 Sale price¥5,980

マダガスカル産アンデシン・ラブラドライト（通称名レインボームーンストーン） 1.911ctルース

Madagascar Andesine Labradorite (also known as Rainbow Moonstone) 1.911ct loose stone Sale price¥39,800

0.750ct Loose Nigerian Mandarin Garnet with Certification Sale price¥22,800

[12558272 listed] Brazilian Medusa Quartz (Paraiba Quartz) 0.456ct Loose Sale price¥9,800

Sri Lankan Uva Moonstone 0.974ct Loose Gemstone Sale price¥12,800

Sri Lankan Uva Moonstone 7.7mm/1.763ct Loose Sale price¥19,800

Malawi Moonstone (Malawi) 1.651ct Loose Sale price¥8,800

Malawian Moonstone (Malawi Moonstone) 2.184ct Loose Sale price¥13,800

Malawi Moonstone 1.980ct Loose Sale price¥11,000

Malawi Moonstone 2.598 ct Loose Sale price¥16,800

Malawi Moonstone 1.948ct Loose Gemstone Sale price¥8,800

Malawi Moonstone 2.199ct Loose Sale price¥12,800

Malawi Moonstone (Malawi Moonstone) 3.158ct Loose Gemstone Sale price¥18,800

Malawi Moonstone 2.155ct Loose Sale price¥12,800

Malawi Moonstone 2.102ct Loose Sale price¥14,800

Malawi Moonstone 1.747ct Loose Sale price¥8,800

Malawi Moonstone 2.114 ct Loose Gemstone Sale price¥12,800

Malawi Moonstone 1.748ct Loose Gemstone Sale price¥9,800

Malawi Moonstone 2.001ct Loose Sale price¥12,800

Malawi Moonstone 1.626ct Loose Sale price¥9,800

Malawi Moonstone 1.621ct Loose Sale price¥9,800

Moonstone from Malawi (Malawi Moonstone) 1.684ct Loose Sale price¥9,800

1.939 ct loose Malawi moonstone Sale price¥12,800

【Sales start: August 3rd, 10 PM JST】Malawi Moonstone 2.283 ct Loose Gemstone Sale price¥12,800

[On sale August 3rd at 10 PM] Malawi Moonstone 2.183ct Loose Stone Sale price¥12,800

Pt950 ムーンストーンキャッツアイ 1.5ct ペンダントトップ（ネックレストップ）鑑別書

[Published on 22602643] [CALAFULI] Pt950 Moonstone Cat's Eye 1.5ct Pendant Top Sale price¥45,800

Pt950 ムーンストーンキャッツアイ 3ct ・ムーンストーンキャッツアイリング鑑別書

[Listed as 22602642][Colorful] Pt950 Moonstone Cat's Eye 3ct Ring Sale price¥79,800

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.