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Sold out 《Limited to 11 stones》Pink Sapphire Gacha including a "Sakura Cut" sapphire, normally 79,800 yen (plus one white sapphire) 《Multiple purchase discount available》

《Limited to 11 stones》Pink Sapphire Gacha including a "Sakura Cut" sapphire, normally 79,800 yen (plus one white sapphire) 《Multiple purchase discount available》
Sold out 《Limited to 10 Stones》Rough Gemstone Gacha featuring Paraiba Tourmaline (CuO: 1.7%+), Benitoite and more (includes 1 free Oregon Sunstone) 《Multiple Purchase Discount Available》

《Limited to 10 Stones》Rough Gemstone Gacha featuring Paraiba Tourmaline (CuO: 1.7%+), Benitoite and more (includes 1 free Oregon Sunstone) 《Multiple Purchase Discount Available》
Sold out 《Limited to 10 Gems》DGL certified, pink sapphire gacha including a 0.155ct Padparadscha sapphire, plus a bonus sapphire such as a trillion cut! 《Multi-purchase discount available》

《Limited to 10 Gems》DGL certified, pink sapphire gacha including a 0.155ct Padparadscha sapphire, plus a bonus sapphire such as a trillion cut! 《Multi-purchase discount available》
Sold out 《Limited to 10 stones》Plumeria cut carving (Peridot, Blue Topaz, Citrine, Rose Quartz) 1 stone 《Bulk purchase discount available》

《Limited to 10 stones》Plumeria cut carving (Peridot, Blue Topaz, Citrine, Rose Quartz) 1 stone 《Bulk purchase discount available》
Sold out Limited to 10 stones: Madagascar pink sapphire (heart-shaped, including padparadscha color, approximately 3 x 2.3 mm) [Multiple purchase discounts available]

Limited to 10 stones: Madagascar pink sapphire (heart-shaped, including padparadscha color, approximately 3 x 2.3 mm) [Multiple purchase discounts available]
Sold out Limited to 7 stones: 1 loose Indian iolite sunstone (custom cut by Sanjay) Multiple purchase discounts available

Limited to 7 stones: 1 loose Indian iolite sunstone (custom cut by Sanjay) Multiple purchase discounts available
Sold out Limited to 15 stones: Blue Stone Gacha (Top-Color Benitoite 2.0mm, Paraiba Tourmaline in Quartz, Unheated Yogo Sapphire) (Multiple purchase discounts available)

Limited to 15 stones: Blue Stone Gacha (Top-Color Benitoite 2.0mm, Paraiba Tourmaline in Quartz, Unheated Yogo Sapphire) (Multiple purchase discounts available)
Sold out Limited to 10 stones: 1 Australian rainbow lattice sunstone loose stone (average 0.28ct) Multiple purchase discounts available

Limited to 10 stones: 1 Australian rainbow lattice sunstone loose stone (average 0.28ct) Multiple purchase discounts available
Sold out Limited to 8 stones: 1 unheated silky pink sapphire from Vietnam (including silky ruby) Discounts for multiple purchases available

Limited to 8 stones: 1 unheated silky pink sapphire from Vietnam (including silky ruby) Discounts for multiple purchases available

Sold out 《再販売》ハイヒール（スモーキークォーツ）1石《宝石ハイヒール》》6個 - カラッツSTORE

High heels (smoky quartz) 1 stone (gem high heels)《Multiple purchase discount available》

Sold out 【9/4 22時販売】《限定13石》通常59,800円の14mmダンデライオンカットアメトリン・29,800円の甲州貴石切子シトリンの熟練職人ガチャ《複数購入割引有》

【9/4 22時販売】《限定13石》通常59,800円の14mmダンデライオンカットアメトリン・29,800円の甲州貴石切子シトリンの熟練職人ガチャ《複数購入割引有》
Sold out 【8/23 22時販売】《限定12石》通常55,800円のパパラチアサファイア中宝鑑付含むベトナム産やビビッドなモザンビーク産などサファイアガチャ（さらにサンジェ氏サファイア1石）《複数購入割引有》

【8/23 22時販売】《限定12石》通常55,800円のパパラチアサファイア中宝鑑付含むベトナム産やビビッドなモザンビーク産などサファイアガチャ（さらにサンジェ氏サファイア1石）《複数購入割引有》
Sold out Sapphire Gacha where you can win a Padparadscha Sapphire with DGL certificate, normally ¥29,800! 💎 (Includes one white sapphire as a bonus)《Bulk purchase discount available》

Sapphire Gacha where you can win a Padparadscha Sapphire with DGL certificate, normally ¥29,800! 💎 (Includes one white sapphire as a bonus)《Bulk purchase discount available》
Sold out Limited to 9 stones: Padparadscha Sapphire Gacha (plus a princess-cut sapphire) (Multiple purchase discounts available)

Limited to 9 stones: Padparadscha Sapphire Gacha (plus a princess-cut sapphire) (Multiple purchase discounts available)
Sold out Limited to 9 stones! Includes Koshu Kiriko plus three citrine gacha, normally priced at 29,800 yen. Discounts available for multiple purchases.

Limited to 9 stones! Includes Koshu Kiriko plus three citrine gacha, normally priced at 29,800 yen. Discounts available for multiple purchases.
Sold out Limited Edition of 10 Blue Gemstones! 💎 0.142ct Brazilian Paraiba Tourmaline, Euclase from Zimbabwe, 1.17ct Cobalt Spinel (Certificate of Authenticity: Color Shift), Benitoite, and More! Discounts Available for Multiple Purchases!

Limited Edition of 10 Blue Gemstones! 💎 0.142ct Brazilian Paraiba Tourmaline, Euclase from Zimbabwe, 1.17ct Cobalt Spinel (Certificate of Authenticity: Color Shift), Benitoite, and More! Discounts Available for Multiple Purchases!
Sold out Limited to 10 stones: Blue Spinel Gacha, Cobalt Spinel (including color-shifting type), 2 stones with Japanese and German appraisal certificates, and a bonus synthetic cobalt spinel. Discounts available for multiple purchases.

Limited to 10 stones: Blue Spinel Gacha, Cobalt Spinel (including color-shifting type), 2 stones with Japanese and German appraisal certificates, and a bonus synthetic cobalt spinel. Discounts available for multiple purchases.
Sold out Limited to 9 stones: 1 Brazilian Santa Maria aquamarine (round cut, approx. 3.5mm) Multiple purchase discounts available

Limited to 9 stones: 1 Brazilian Santa Maria aquamarine (round cut, approx. 3.5mm) Multiple purchase discounts available
Sold out Limited to 9 stones: 1 Afghan Lazurite in Sodalite loose stone (faceted cut, average 0.45ct) Multiple purchase discounts available

Limited to 9 stones: 1 Afghan Lazurite in Sodalite loose stone (faceted cut, average 0.45ct) Multiple purchase discounts available
Sold out [Limited to 7 stones] Oregon Sunstone from the United States (cabochon cut, average 1.5ct) [Multiple purchase discount available]

[Limited to 7 stones] Oregon Sunstone from the United States (cabochon cut, average 1.5ct) [Multiple purchase discount available]
Sold out Limited to 16 stones: 1 Montana sapphire loose stone (including teal blue and bicolor) Multiple purchase discounts available

Limited to 16 stones: 1 Montana sapphire loose stone (including teal blue and bicolor) Multiple purchase discounts available
Sold out 【猫カット】シトリン（8mm） - カラッツSTORE

[Cat cut] Citrine (8mm)

Sold out 《Limited to 9 Stones》Specialty Cut Gacha💎Koshu Kiseki Kiriko plusthree "Subaru: Ametrine" (normally 39,800 yen) and works by Takeshi Yamamoto, etc. (plus one citrine by Mr. Sanje as a bonus)《Multiple Purchase Discount Available》

《Limited to 9 Stones》Specialty Cut Gacha💎Koshu Kiseki Kiriko plusthree "Subaru: Ametrine" (normally 39,800 yen) and works by Takeshi Yamamoto, etc. (plus one citrine by Mr. Sanje as a bonus)《Multiple Purchase Discount Available》
Sold out Limited to 13 stones! Bicolor Gacha 💎 Bicolor Sphene, usually priced at ¥79,800, Party-color Paraiba Tourmaline, usually priced at ¥39,800, and more. (Multiple Purchase Discount Available)

Limited to 13 stones! Bicolor Gacha 💎 Bicolor Sphene, usually priced at ¥79,800, Party-color Paraiba Tourmaline, usually priced at ¥39,800, and more. (Multiple Purchase Discount Available)
Sold out Limited to 11 stones: Bicolor Gacha (including Zimbabwean bicolor euclase, bicolor sapphire, and bicolor zoisite) (Multiple purchase discounts available)

Limited to 11 stones: Bicolor Gacha (including Zimbabwean bicolor euclase, bicolor sapphire, and bicolor zoisite) (Multiple purchase discounts available)
Sold out Limited to 10 stones! Spinel Gacha: 1 loose stone including a 1.17ct bicolor spinel. Multiple purchase discounts available.

Limited to 10 stones! Spinel Gacha: 1 loose stone including a 1.17ct bicolor spinel. Multiple purchase discounts available.
Sold out Limited Edition of 10 Bicolor Gacha! 💎 Includes two Zimbabwean euclase stones (average 0.088ct), a 1.03ct bicolor sapphire, a bicolor chrysoberyl, and more. Discounts available for multiple purchases.

Limited Edition of 10 Bicolor Gacha! 💎 Includes two Zimbabwean euclase stones (average 0.088ct), a 1.03ct bicolor sapphire, a bicolor chrysoberyl, and more. Discounts available for multiple purchases.
Sold out 【12561982掲載】アメリカ産オレゴンサンストーン 1.362ctルース

1.362ct loose Oregon sunstone from the United States
Sold out 【12561980掲載】アメリカ産オレゴンサンストーン 2.418ctルース

2.418ct loose Oregon sunstone from the United States
Sold out Synthetic Blue Sapphire 2.012ct Loose (Synthetic Sapphire)

Synthetic Blue Sapphire 2.012ct Loose (Synthetic Sapphire)

Sold out 【12561526掲載】タンザニア産ピンクジルコン 1.736ctルース

Tanzanian pink zircon 1.736ct loose stone
Sold out カンボジア産ブルージルコン（ラタナキリブルー） 0.519ctルース

Cambodian Blue Zircon (Ratanakiri Blue) 0.519 ct Loose Gemstone
Sold out Cambodian Blue Zircon (Ratanakiri Blue) 0.354ct Loose Stone

Cambodian Blue Zircon (Ratanakiri Blue) 0.354ct Loose Stone
Sold out Synthetic Blue Sapphire 0.886ct Loose (Synthetic Sapphire)

Synthetic Blue Sapphire 0.886ct Loose (Synthetic Sapphire)
Sold out Brazilian Rainbow Scapolite 0.435ct Loose Stone

Brazilian Rainbow Scapolite 0.435ct Loose Stone
Sold out Brazilian Rainbow Scapolite 0.328ct Loose Stone

Brazilian Rainbow Scapolite 0.328ct Loose Stone

Sold out 【12561129掲載】スリランカ産イエローサファイア 0.291ctルース

Sri Lankan Yellow Sapphire 0.291ct Loose
Sold out ピンクサファリン 0.178ctルース

0.178ct Madagascar Pink Sapphire Loose Stone, Japan-German

Sold out 【12561305掲載】アメリカ産オレゴンサンストーン 0.472ctルース

USA origin Oregon Sunstone 0.472ct Loose
Sold out Sri Lankan green zircon 0.494ct loose stone

Sri Lankan green zircon 0.494ct loose stone
Sold out タンザニア産バイカラーゾイサイト 0.312ctルース

Tanzanian Bicolor Zoisite 0.312ct Loose Stone
Sold out Myanmar Red Spinel 0.196ct Loose Stone

Myanmar Red Spinel 0.196ct Loose Stone
Sold out [Sakura In-Cut] Oregon Sunstone from the United States, 6.0mm/0.638ct Loose

[Sakura In-Cut] Oregon Sunstone from the United States, 6.0mm/0.638ct Loose
Sold out Tanzanian Spessartine Garnet 1.168ct Loose Stone

Tanzanian Spessartine Garnet 1.168ct Loose Stone

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 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 Pink sapphire (with hematite) 0.271ct loose stone

Pink sapphire (with hematite) 0.271ct loose stone

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.