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Sold out K18PG Thai Pigeon Blood Ruby 0.38ct Ring AIGS

K18PG Thai Pigeon Blood Ruby 0.38ct Ring AIGS
Sold out オーストラリア産ブラックオパール 0.565ctルース

Australian black opal 0.565ct loose stone
Sold out 【12561658掲載】タンザニア産タンザナイト 0.558ctルース

Tanzanian Tanzanite, 5.0mm/0.558ct Loose Stone

Sold out Tanzanite from Tanzania 0.331ct loose stone

Tanzanite from Tanzania 0.331ct loose stone
Sold out Tanzanite 0.505ct loose stone from Tanzania

Tanzanite 0.505ct loose stone from Tanzania

Sold out Tanzanian Spessartine Garnet 1.168ct Loose Stone

Tanzanian Spessartine Garnet 1.168ct Loose Stone

Sold out Sri Lankan Hessonite Garnet 1.674ct Loose Stone

Sri Lankan Hessonite Garnet 1.674ct Loose Stone
Sold out 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） 0.989ctルース

6.0mm/0.989ct Loose Rainbow Garnet (Andradite Garnet) from Tenkawa Village, Nara Prefecture
Sold out 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） 1.458ctルース

Rainbow Garnet (Andradite Garnet) 1.458ct Loose Stone from Tenkawa Village, Nara Prefecture
Sold out 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） 1.827ctルース

Rainbow Garnet (Andradite Garnet) 1.827ct Loose Stone from Tenkawa Village, Nara Prefecture
Sold out 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） 1.951ctルース

Rainbow Garnet (Andradite Garnet) 1.951ct Loose Stone from Tenkawa Village, Nara Prefecture
Sold out 【12561507掲載】ブラジル産ラベンダークォーツ（スコロライト） 0.716ctルース

Brazilian Lavender Quartz (Scolite) 0.716ct Loose Gemstone
Sold out Tanzanian zircon, 1.672ct loose

Tanzanian zircon, 1.672ct loose
Sold out Myanmar color change zircon 0.439ct loose stone

Myanmar color change zircon 0.439ct loose stone
Sold out Rainbow Garnet (Andradite Garnet) from Tenkawa Village, Nara Prefecture 4.8mm/0.612ct Loose

Rainbow Garnet (Andradite Garnet) from Tenkawa Village, Nara Prefecture 4.8mm/0.612ct Loose
Sold out カラーチェンジジルコン 0.556ctルース

Burmese color-change zircon 0.556 ct loose

Sold out 0.092ct loose stone with iolite and phlogopite (phlogopite)

0.092ct loose stone with iolite and phlogopite (phlogopite)

Sold out Pink sapphire (with hematite) 0.271ct loose stone

Pink sapphire (with hematite) 0.271ct loose stone

Sold out Tanzanian Kornerupine (with Goethite) 2.6mm/0.068ct Loose

Tanzanian Kornerupine (with Goethite) 2.6mm/0.068ct Loose

Sold out [Sakura InCut] Synthetic Sapphire 2.610ct Loose Stone (Synthetic Pink Sapphire)

[Sakura InCut] Synthetic Sapphire 2.610ct Loose Stone (Synthetic Pink Sapphire)

Sold out [Yukinko Cut] Synthetic Sapphire 2.102ct Loose Stone

[Yukinko Cut] Synthetic Sapphire 2.102ct Loose Stone

Sold out [Yukinko Cut] Siberian Blue Quartz (Synthetic Quartz) 0.999ct Loose Stone

[Yukinko Cut] Siberian Blue Quartz (Synthetic Quartz) 0.999ct Loose Stone

Sold out [Yukinko Cut] Siberian Blue Quartz (Synthetic Quartz) 2.420ct Loose Stone

[Yukinko Cut] Siberian Blue Quartz (Synthetic Quartz) 2.420ct Loose Stone

Sold out Limited to 20 stones: Russian Demantoid Garnet (Horsetail inclusions, approximately 2mm) - 1 loose stone. Discounts available for multiple purchases.

Limited to 20 stones: Russian Demantoid Garnet (Horsetail inclusions, approximately 2mm) - 1 loose stone. Discounts available for multiple purchases.

Sold out Limited to 12 stones: Madagascar Sapphirine (Sapphirine) Loose Stone (Multiple purchase discounts available)

Limited to 12 stones: Madagascar Sapphirine (Sapphirine) Loose Stone (Multiple purchase discounts available)
Sold out TV anime "I Went to a Mixer and There Were No Girls" x KARATZ collaboration pair image rings, amber x bush clover image

TV anime "I Went to a Mixer and There Were No Girls" x KARATZ collaboration pair image rings, amber x bush clover image

Sold out TV anime "I went to a blind date and there were no girls" x KARATZ collaboration pair image rings Wisteria x Light Blue image

TV anime "I went to a blind date and there were no girls" x KARATZ collaboration pair image rings Wisteria x Light Blue image

Sold out [Sakura Shape Jewelry] Hanakoromo (Ring/Pt950, K18)

[Sakura Shape Jewelry] Hanakoromo (Ring/Pt950, K18)

Sold out [Sales End on Friday, April 18th] TV Anime "I'd Rather Be Someone Else in the Next Life" x KARATZ Collaboration Somei Yoshino Model

[Sales End on Friday, April 18th] TV Anime "I'd Rather Be Someone Else in the Next Life" x KARATZ Collaboration Somei Yoshino Model

Sold out Limited to 20 stones, Brazilian dendritic quartz, 1 loose stone, multiple purchase discounts available

Limited to 20 stones, Brazilian dendritic quartz, 1 loose stone, multiple purchase discounts available
Sold out [Sold out] "TSUKIUTA." Movie version RABBITS KINGDOM THE MOVIE x KARATZ collaboration bunny ear earrings "White Rabbit Kingdom"

[Sold out] "TSUKIUTA." Movie version RABBITS KINGDOM THE MOVIE x KARATZ collaboration bunny ear earrings "White Rabbit Kingdom"

Sold out 《Limited to 16 stones》1 tanzanite stone (octagonal cut, 3.0mm)《Multiple purchase discount available》

《Limited to 16 stones》1 tanzanite stone (octagonal cut, 3.0mm)《Multiple purchase discount available》
Sold out グリーンランド産アイスルビー 1石（ハートシェイプ,4mm,ピンクサファイア）《複数購入割引有》

Greenland Ice Ruby 1 stone (heart shape, 4mm, pink sapphire) {Multiple purchase discount available}

Sold out スコロライト1石ルース（8mm,コンケーブカット）《複数購入割引有》

Scorolite 1 stone loose (8mm, concave cut)《Multiple purchase discount available》
Sold out Madeira Citrine 1 stone 💎5mm-6mm (Madeira Citrine)《November birthstone》《Multiple purchase discount available》

Madeira Citrine 1 stone 💎5mm-6mm (Madeira Citrine)《November birthstone》《Multiple purchase discount available》

Sold out 【猫カット】ムーンストーン（6mm） - カラッツSTORE

[Cat cut] Moonstone (6mm)《Multiple purchase discount available》

Sold out Rose quartz 1 stone (heart, approx. 23ct)《Discount available for multiple purchases》

Rose quartz 1 stone (heart, approx. 23ct)《Discount available for multiple purchases》

Sold out K18 イエローゴールド 小豆チェーン （アズキ） 1.1mm - KARATZ STORE｜カラッツSTORE

K18 Yellow Gold Red Bean Chain (Azuki Bean) 1.1mm [40cm/45cm free]

Sold out [On sale 8/15 at 10 PM JST] Colombian Emerald Gacha featuring Shimizu Kisaki's 8mm Clover In-cut (regularly 79,800 JPY) - only 15 stones available! (Bonus green beryl included) [Multiple purchase discount available]

[On sale 8/15 at 10 PM JST] Colombian Emerald Gacha featuring Shimizu Kisaki's 8mm Clover In-cut (regularly 79,800 JPY) - only 15 stones available! (Bonus green beryl included) [Multiple purchase discount available]
Sold out Limited to 12 Stones: Pakistan Vayrynenite Gacha - 1 Stone Loose (average 0.03ct) - Multiple Purchase Discount Available

Limited to 12 Stones: Pakistan Vayrynenite Gacha - 1 Stone Loose (average 0.03ct) - Multiple Purchase Discount Available
Sold out 《Hong Kong Sourcing》Pakistan Blue Tint Axinite Gacha 1 Stone Loose《Multiple Purchase Discount Available》

《Hong Kong Sourcing》Pakistan Blue Tint Axinite Gacha 1 Stone Loose《Multiple Purchase Discount Available》

Sold out Sapphire Gacha where you can win a Cornflower Blue Sapphire with AIGS certificate 💎 Comes with a trillion sapphire as a bonus gift《Multiple purchase discount available》

Sapphire Gacha where you can win a Cornflower Blue Sapphire with AIGS certificate 💎 Comes with a trillion sapphire as a bonus gift《Multiple purchase discount available》
Sold out 《Limited to 12 stones》 Win Koshu Kiseki Kiriko "Akatsuki" plus three (usually 35,800 yen) with this Topaz Gacha (includes Imperial Topaz)《Multi-purchase discounts available》

《Limited to 12 stones》 Win Koshu Kiseki Kiriko "Akatsuki" plus three (usually 35,800 yen) with this Topaz Gacha (includes Imperial Topaz)《Multi-purchase discounts available》
Sold out 《Limited to 12 Stones》Rare Stone Gacha 💎 Cinnabar from China, Paraiba Tourmaline from Mozambique, Grandidierite, etc.《Multiple Purchase Discount Available》

《Limited to 12 Stones》Rare Stone Gacha 💎 Cinnabar from China, Paraiba Tourmaline from Mozambique, Grandidierite, etc.《Multiple Purchase Discount Available》
Sold out 《Limited to 20 Stones》Emerald Gacha: Win a 2.2ct Columbia Emerald Koshu-Kiseki Cut (normally 79,800 yen) or an Emerald Cat's Eye! 《Multiple Purchase Discount Available》

《Limited to 20 Stones》Emerald Gacha: Win a 2.2ct Columbia Emerald Koshu-Kiseki Cut (normally 79,800 yen) or an Emerald Cat's Eye! 《Multiple Purchase Discount Available》
Sold out Imperial Topaz Gacha: Win a Pink Imperial Topaz, normally priced at 69,800 yen (Multiple purchase discounts available)

Imperial Topaz Gacha: Win a Pink Imperial Topaz, normally priced at 69,800 yen (Multiple purchase discounts available)

Sold out Limited to 14 stones: Rainbow Garnet from Tenkawa Village, Nara Prefecture (faceted by Saint-Jay) [Multiple purchase discounts available]

Limited to 14 stones: Rainbow Garnet from Tenkawa Village, Nara Prefecture (faceted by Saint-Jay) [Multiple purchase discounts available]
Sold out Shimizu Precious Stones: Includes 7mm Dandelion Cut Morganite 💎 Morganite Gacha (Multiple Purchase Discounts Available)

Shimizu Precious Stones: Includes 7mm Dandelion Cut Morganite 💎 Morganite Gacha (Multiple Purchase Discounts Available)

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.