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[Mr. KEN] Oregon Sunstone 1.157ct Ruth Sale price¥9,800

Blue sapphire 4.3mm/0.307ct loose Sale price¥9,800

《Yurakucho Marui 2024112 takeout》 [KEN] Mexican topaz 1.185ct loose stone Sale price¥8,800

《Limited to 20 stones》 Paraiba tourmaline from Brazil (Batalha mine) 《Multiple purchase discount available》 Sale price¥8,800

Bicolor tourmaline 0.397ct loose Sale price¥8,800

Princess cut diamond 2.0mm loose (equivalent to VS class)《Multiple purchase discount available》 Sale price¥8,800

[On sale at 10pm on 10/17] Brazilian bicolor tourmaline 3.670ct loose stone Sale price¥6,980

《Limited to 10 stones》 Indian bag site 1 stone loose (average 2ct)《Multiple purchase discount available》 Sale price¥6,980

Madeira Citrine 6mm/0.965ct loose Sale price¥6,980

Gem Gacha "Rose Cut"💎 Bicolor Tourmaline 1 stone (5 x 7 mm) {Multiple purchase discount available} Sale price¥6,980

Gem Gacha💎Brown Star Sapphire 1 Loose Stone《Multiple Purchase Discounts Available》 Sale price¥6,980

[Jeweler's tools] 4-piece set including loupe (10x magnification), tweezers, and 2 loose stones Sale price¥6,980

[Resale] [Jeweler's Tools] Black Light, 3 Loose Stones (Ruby, Red Spinel, Oil in Quartz) with Rechargeable Battery Sale price¥6,980

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） 0.167ctルース

[Mr. Sanjay] Andesine Labradorite (commonly known as Rainbow Moonstone) 3.6mm/0.167ct loose Sale price¥5,980

クッションカットのブラジル産インペリアルトパーズ1石ルース（3mm）《複数購入割引有》

Cushion cut Brazilian imperial topaz 1 stone loose (3mm)《Multiple purchase discount available》 Sale price¥5,980

1 stone loose tsavorite from Kenya (5 x 3mm)《Discount available for multiple purchases》 Sale price¥5,980

1 blue fluorescent diamond (VS-SI class equivalent, 2.0mm)《Multiple purchase discount available》 Sale price¥5,980

1 loose sapphire from Ratnapura, Sri Lanka (3.0mm-4.0mm, trilliant cut)《Multiple purchase discount available》 Sale price¥5,980

H&C(ハート&キューピッド)ダイヤモンド1.2mmルース - カラッツSTORE

H&C (Hearts & Cupids) Diamond 1.5mm Loose (VS Class, DG Class, Melee Diamonds) {Multiple Purchase Discounts Available} Sale price¥4,980

[Limited to 10 stones] 1 stone bicolor tourmaline from Brazil [Discount available for multiple purchases] (Rose cut, Mr. NOBU cut) Sale price¥4,980

[Jeweler's Tools] Color change penlight loose set Sale price¥4,980

Gem Gacha💎Tourmaline 1 stone (heart shape) loose stone {Multiple purchase discount available} Sale price¥3,980

Oil-in-quartz from Pakistan《Moving bubble type》1 stone loose《Discount available for multiple purchases》 Sale price¥3,980

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

奈良県天川村産レインボーガーネット（アンドラダイトガーネット） 10.044ctルース

Rainbow garnet (andradite garnet) from Tenkawa Village, Nara Prefecture 10.044ct loose Sale price¥3,980

H&C (Hearts & Cupids) Diamond 1.2mm Loose (VS Class, DG Class, Melee Diamonds) {Multiple Purchase Discounts Available} Sale price¥3,980

Synthetic moissanite 1 stone loose (mint green, oval cut, 6 x 4 mm, moissanite)《Multiple purchase discount available》 Sale price¥3,980

Blue moonstone (pyramid cut, 5 x 5 mm, 4 x 4 mm) 2 stone set《Discount available for multiple purchases》 Sale price¥3,980

Fire Opal (Common Opal) 2 stone set《Discount available for multiple purchases》 Sale price¥3,980

Green Diamond (Treatment) 1 stone (approx. 1.3mm)《Multiple purchase discount available》 Sale price¥3,580

《Limited to 16 stones》1 tanzanite stone (octagonal cut, 3.0mm)《Multiple purchase discount available》 Sale price¥2,980

1 stone of Brazilian indigolite tourmaline (discount available for multiple purchases) Sale price¥2,980

Let's try gemstone polishing "Do-it-yourself rough stone polishing set" (for beginners: Inca Rose/Fluorite 2 stone set) Sale price¥2,980

Gem Gacha💎Princess cut tourmaline 1 stone💎 3mm《Multiple purchase discount available》 Sale price¥2,980

Ametrine 1 stone loose (oval cut, 6 x 8mm)《Multiple purchase discount available》 Sale price¥2,980

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

1 green opal from Amazon《Discount available for multiple purchases》 Sale price¥2,980

1 neon blue apatite stone (6×4, oval, distinctive inclusions)《Multiple purchase discount available》 Sale price¥2,980

Pezzotite rough stone from Madagascar 1 stone (raspberyl)《Multiple purchase discount available》 Sale price¥2,980

Let's try jewelry polishing "Do-it-yourself rough stone polishing set" (for beginners: fluorite 2 stone set) Sale price¥2,980

[Jeweler's Tools] Digital Caliper Color Shift Amethyst 2 Piece Set Sale price¥2,980

Apatite rough stone set of 2 stones in different colors《Discount available for multiple purchases》 Sale price¥2,980

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

1 beryllium diffused sapphire stone (approximately 2.5mm, round cut)《Multiple purchase discounts available》 Sale price¥1,580

Illusion sunstone from Tanzania 1 stone loose (6mm)《Multiple purchase discount available》 Sale price¥1,500

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Unheated Padparadscha Sapphire 1.287ct Loose Medium Treasure Guide

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Colombian oil-free emerald 0.384ct loose Japanese-German edition

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Paraiba tourmaline from Brazil 0.226ct loose (CuO:1.8%.MnO:2.5%)

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.

The fifth reprint has been decided and is now on sale at bookstores nationwide and online.

Written by KARATZ, book “Jewelry Illustrated Book”

The book provides explanations about over 300 types of gemstones, from new standard birthstones to rare stones that are hard to find, as well as a diary of our company representative, Mr. Koyama's, gemstone shopping experience in Thailand and Sri Lanka, and tips for photographing gemstones, allowing you to learn about the appeal of gemstones from various perspectives.

KARATZ・Five Commitments