Under ¥5,000

Blue Topaz 4.5mm/0.422ct Loose Sale price¥3,980

Prehnite 5.3mm/0.469ct loose Sale price¥4,980

Orange zircon 0.453ct loose Sale price¥4,980

Zircon 0.414ct loose Sale price¥4,980

Color change sapphire 0.283ct loose Sale price¥4,980

Malachite 2 stone set loose (6 x 8mm, pear shape cut)《Multiple purchase discount available》 Sale price¥1,000

Malachite 2 stone set loose (6mm, cushion cut)《Discount available for multiple purchases》 Sale price¥1,000

Maushitsit (Mawsissi) from Myanmar 1 stone loose (12mm)《Multiple purchase discount available》 Sale price¥2,980

Color change sapphire 0.351ct loose Sale price¥4,980

1 stone of Brazilian blue tourmaline (3 x 4 mm pear shape/oval cut/3 x 5 mm pear shape/4 x 5 mm oval cut)《Discount available for multiple purchases》 Sale priceFrom ¥2,980

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

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

【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

Brazilian rainbow scapolite 6mm/0.516ct loose Sale price¥3,980

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

Australian boulder opal 0.874ct loose Sale price¥4,980

Dendritic Agate 4.437ct loose Sale price¥4,980

Brazilian lepidocrocite in quartz 2.223ct loose Sale price¥4,980

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

Madeira Citrine 1 stone 💎5mm-6mm (Madeira Citrine)《November birthstone》《Multiple purchase discount available》 Sale price¥2,580

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

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

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

[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

Gem Gacha💎 Cat Set (1 gemstone + 2 sapphires) {Multiple purchase discounts available} Sale price¥3,333

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

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

1 Ruby from Greenland (round cut, 1.2mm)《Discount available for multiple purchases》 Sale price¥2,280

Montebrasite from Madagascar 0.328ct loose Sale price¥4,980

Cornel pin cat's eye 0.549ct loose Sale price¥4,980

Brazilian Andalusite 0.557ct loose Sale price¥3,980

Jeweler's tool "plate light" Sale price¥3,800

Andesine 0.540ct loose stone Sale price¥4,980

Spinel from Sri Lanka 0.276ct loose Sale price¥4,980

【KEN氏】アメリカ産フローライト 0.842ctルース - カラッツSTORE

American fluorite 0.842ct loose stone Sale price¥3,980

Labradorite 1 stone (spherical, 6mm) loose (multiple purchase discount available) Sale price¥2,980

Kyanite raw stone/loose 2 stone set《Multiple purchase discount available》 Sale price¥2,980

宝石研磨に挑戦してみよう「自分で出来る原石磨きセット」（中級者向け：プレーナイト・葡萄石）

Let's try jewelry polishing "Do-it-yourself rough stone polishing set" (for intermediate users: playnite/grape stone) Sale price¥2,980

Andalusite 1 stone (round cut, 3.0-3.5mm)《Multiple purchase discount available》 Sale price¥3,980

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の取り組みと社会貢献

業界発展のための後進育成や事業協力、宝石の国スリランカの子どもたちへの支援活動など、KARATZの取り組みについてご紹介いたします。

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.