Sale

Brazilian Alexandrite 0.074ct Ruth (Hemachita Mine) Sale price¥15,800

Brazilian Alexandrite 0.086ct Ruth (Hemachita Mine) Sale price¥18,800

Brazilian lepidocrocite in quartz 2.589ct loose Sale price¥5,980

Brazilian lepidocrocite in quartz 2.225ct loose Sale price¥4,980

Brazilian lepidocrocite in quartz 1.621ct loose Sale price¥3,980

Pink zoisite from Tanzania 0.536ct loose Japanese German edition Sale price¥39,800

British Rosary Fluorite 4.738ct loose Sale price¥9,800

British Rosary Fluorite 1.841ct loose Sale price¥5,980

Paraiba tourmaline from Brazil 0.144ct loose (CuO:0.9%,MnO:2.8%) Sale price¥55,800

Synthetic rutile 6mm/1.061ct loose Sale price¥8,800

【一律1000円】アメリカ産・ハーキマーダイヤモンド（ロッククリスタル）1石原石

[Flat rate 1000 yen] 1 American Herkimer diamond (rock crystal) rough stone (discount available for multiple purchases) Sale price¥1,000

マダガスカル産ベキリーブルーガーネット（カラーチェンジガーネット） 0.346ctルース

Bekily Blue Garnet from Madagascar (color change garnet) 0.346ct loose Sale price¥25,800

Agate 34.143ct Ruth (Druzy Agate) Sale price¥3,980

Agate 56.919ct Ruth (Druzy Agate) Sale price¥3,980

Agate 35.084ct Ruth (Druzy Agate) Sale price¥3,980

Agate 64.882ct Ruth (Druzy Agate) Sale price¥4,980

Dendritic Agate 7.179ct loose Sale price¥9,800

Dendritic Agate 3.721ct loose Sale price¥5,980

Dendritic Agate 4.437ct loose Sale price¥4,980

Dendritic Agate 4.533ct loose Sale price¥6,980

Dendritic Agate 6.449ct loose Sale price¥9,800

Dendritic Agate 6.456ct loose Sale price¥9,800

Dendritic Agate 3.505ct loose Sale price¥5,980

Brazilian green spodumene 1 stone approximately 7ct (discount available for multiple purchases) Sale price¥3,980

Indian Andesine Labradorite (hexagonal cut, 3 x 5mm) 1 stone (discount available for multiple purchases) Sale price¥2,980

【5/21 22時販売】【KEN氏】メキシコ産オパール1石（約3.5mm）《複数購入割引有》 - カラッツSTORE

1 Mexican opal (approx. 3.5mm) {Multiple purchase discounts available} Sale price¥3,980

【5/20 22時販売】ユーパーライト 1石（平均28ct）原石《複数購入割引有》 - カラッツSTORE

Euperlite 1 stone approx. 20ct-25ct (Michigan, USA) {Multiple purchase discount} Sale price¥1,980

1 American Herkimer Diamond (rock crystal) 💎 (child-bearing type)《Multiple purchase discount available》 Sale price¥2,980

Gem Gacha💎 Afghanite 1 stone loose (average 0.14ct) {Multiple purchase discount available} Sale price¥9,800

Gem Gacha💎 Lepidolite in Quartz 1 stone《Multiple purchase discount available》 Sale price¥3,980

[Available at 10 PM on August 11th] Limited to 10 stones: Pakistani Oil-in-Quartz (Moving Bubbles) - Single Loose Stone (Multiple Purchase Discounts Available) Sale price¥2,980

Lab-Grown Diamond (Synthetic Diamond) [HPHT Method] Single Loose Stone (2.0mm, 2.2mm, 2.4mm, 2.6mm) [Multiple Purchase Discounts Available] Sale priceFrom ¥1,580

Diamond 1.2mm (VS class, DG color, round cut, melee diamond) 1 loose stone {Multiple purchase discounts available} Sale price¥1,980

[Option] Fee for obtaining a certificate of origin from the Japan-Germany Gem Laboratory Sale price¥15,000

【カラフリ】Pt900/Pt850アウイナイト0.08ct ペンダント（ネックレス） - カラッツSTORE

[Colorful] Pt900/Pt850 Auinite 0.08ct pendant (necklace) Sale price¥79,800

【カラフリ】Pt900/Pt850クリノヒューマイト0.726ct ペンダント（ネックレス） - カラッツSTORE

[Colorful] Pt900/Pt850 Clinohumite 0.726ct Pendant (Necklace) Sale price¥89,800

Color change Andesine 1 stone (3mm, round cut)《Discount available for multiple purchases》 Sale price¥2,980

[On sale 10/11 at 10 PM] Dragon Garnet (3.5mm, round cut) - 1 stone (Multiple purchase discounts available) Sale price¥3,980

Limited Quantity: 1 Dragon Garnet (4.0mm, Round Cut) Sale price¥5,980

[Available at 10 PM on August 11th] Limited to 9 stones: 1 loose Mexican opal stone [Multiple purchase discounts available] Sale price¥1,980

Gem Gacha💎Chalcedony Gacha (1 in 5 will win a camellia cut)《Multiple purchase discounts available》 Sale price¥3,980

Synthetic rutile 6.2mm/1.165ct loose stone Sale price¥19,800

{Only 3 left} Yuichiro Abe goods set [adult size T-shirt & coaster] Sale price¥2,980

1 blue fluorescent diamond (H&C, 3EX, VS-SI class equivalent, 2.0mm) {Multiple purchase discount available} Sale price¥8,980

Rose cut diamond 1.2mm x 1 stone (VS-SI class, DH color, melee diamonds) {Multiple purchase discounts available} Sale price¥2,980

[Panda cut] Rose quartz 5.081ct loose Sale price¥8,800

[Panda cut] White quartz (milky quartz) 4.477ct loose Sale price¥8,800

[Panda cut] Moonstone 5.476ct loose Sale price¥8,800

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.