Login

Coming soon

Sort by
Sold out 《Limited to 12 Stones》Garnet Gacha including 8mm Dandelion-Cut Rhodolite Garnet (normally 39,800 yen) 《Multiple Purchase Discount Available》

《Limited to 12 Stones》Garnet Gacha including 8mm Dandelion-Cut Rhodolite Garnet (normally 39,800 yen) 《Multiple Purchase Discount Available》
Sold out [Limited to 7 stones] Kochi Prefecture Blood Coral Loose (Oval Cut, 4x6~7mm) [Multiple Purchase Discount Available]

[Limited to 7 stones] Kochi Prefecture Blood Coral Loose (Oval Cut, 4x6~7mm) [Multiple Purchase Discount Available]
Sold out 《Tucson New Arrivals - Limited 7 Stones》Dendritic Agate (Dendritic Quartz) Gacha 1 Stone Loose Gemstone《Multiple Purchase Discount Available》

《Tucson New Arrivals - Limited 7 Stones》Dendritic Agate (Dendritic Quartz) Gacha 1 Stone Loose Gemstone《Multiple Purchase Discount Available》
Sold out 《Limited to 9 Stones》Color Shift Amethyst Gacha, including a 3.49ct "Kompeito Cut" by Makoto Nakano, normally priced at ¥22,800, and a cut by Mr. Sanje.《Bulk Purchase Discount Available》

《Limited to 9 Stones》Color Shift Amethyst Gacha, including a 3.49ct "Kompeito Cut" by Makoto Nakano, normally priced at ¥22,800, and a cut by Mr. Sanje.《Bulk Purchase Discount Available》
Sold out [On Sale April 18th, 10 PM JST] [Limited 9 Stones] Tosa Blood Coral Branch (Raw Coral) 1 Stone (March Birthstone, Coral, Average 7ct) [Bulk Purchase Discount Available]

[On Sale April 18th, 10 PM JST] [Limited 9 Stones] Tosa Blood Coral Branch (Raw Coral) 1 Stone (March Birthstone, Coral, Average 7ct) [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 Blue Stone Gacha (normally 22,800 JPY for Brazilian Paraiba Tourmaline (CuO: 1.7%, MnO: 2.1%), Mozambique Paraiba Tourmaline, Zimbabwean Euclase, etc.)《Bulk Purchase Discount Available》

Blue Stone Gacha (normally 22,800 JPY for Brazilian Paraiba Tourmaline (CuO: 1.7%, MnO: 2.1%), Mozambique Paraiba Tourmaline, Zimbabwean Euclase, etc.)《Bulk Purchase Discount 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 Rare Stone Gacha 💎 Mozambique Paraiba Tourmaline, normally priced at ¥29,800, 1.8ct with a Shanshan appraisal certificate, Kornerupine, Epidote (Multiple purchase discount available)

Rare Stone Gacha 💎 Mozambique Paraiba Tourmaline, normally priced at ¥29,800, 1.8ct with a Shanshan appraisal certificate, Kornerupine, Epidote (Multiple purchase discount available)
Sold out Native Copper (1 rough stone) (average 22 carats) {Multiple purchase discounts available}

Native Copper (1 rough stone) (average 22 carats) {Multiple purchase discounts available}
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: Tanzanite rough stone gacha including bicolor pink tanzanite rough stones (average 4.2 carats) [Multiple purchase discounts available]

Limited to 10 stones: Tanzanite rough stone gacha including bicolor pink tanzanite rough stones (average 4.2 carats) [Multiple purchase discounts available]
Sold out Limited to 16 stones: Greenland Ruby, 1.2mm, Loose (Top Quality, Drawstring Pouch Included) Multiple Purchase Discounts Available

Limited to 16 stones: Greenland Ruby, 1.2mm, Loose (Top Quality, Drawstring Pouch Included) Multiple Purchase Discounts Available
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 Brazilian Rainbow Aquamarine Loose Stone (Iridescent Aquamarine) (Multiple Purchase Discounts Available)

Brazilian Rainbow Aquamarine Loose Stone (Iridescent Aquamarine) (Multiple Purchase Discounts Available)
Sold out Limited to 9 stones: One loose Brazilian rainbow aquamarine (oval cut, average 0.8 carats) [Multiple purchase discounts available]

Limited to 9 stones: One loose Brazilian rainbow aquamarine (oval cut, average 0.8 carats) [Multiple purchase discounts available]
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 quantity: Mozambique grape garnet, 1 loose stone (4 x 6 mm, pear-shaped cut) Multiple purchase discounts available

Limited quantity: Mozambique grape garnet, 1 loose stone (4 x 6 mm, pear-shaped cut) 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 Brazilian unheated Imperial Topaz 1 stone loose stone {Multiple purchase discount available}

Brazilian unheated Imperial Topaz 1 stone loose stone {Multiple purchase discount available}
Sold out [Jeweler's Tools] Limited Edition Chelsea Color Filter Emerald 2-Piece Set

[Jeweler's Tools] Limited Edition Chelsea Color Filter Emerald 2-Piece Set
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 7 stones: 1 loose Andesine Labradorite stone from Madagascar. Discounts available for multiple purchases.

Limited to 7 stones: 1 loose Andesine Labradorite stone from Madagascar. Discounts available for multiple purchases.
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 [Sales start 10 PM, Aug. 10] Andesine-Labradorite Gacha with a Chance to Win a Dandelion Cut Worth 69,800 JPY (Limited to 12 Stones) (Plus 1 Andesine-Labradorite Stone) [Bulk Purchase Discount Available]

[Sales start 10 PM, Aug. 10] Andesine-Labradorite Gacha with a Chance to Win a Dandelion Cut Worth 69,800 JPY (Limited to 12 Stones) (Plus 1 Andesine-Labradorite Stone) [Bulk Purchase Discount Available]
Sold out [On sale August 2nd at 10 PM JST] Limited to 15 stones: Peridot Gacha (August birthstone gacha) including a certificated parasitic peridot, normally ¥79,800. 1 stone with a free princess-cut peridot. Multiple purchase discount available.

[On sale August 2nd at 10 PM JST] Limited to 15 stones: Peridot Gacha (August birthstone gacha) including a certificated parasitic peridot, normally ¥79,800. 1 stone with a free princess-cut peridot. Multiple purchase discount available.
Sold out [Limited to 6 stones] Rainbow Aquamarine 1 stone loose (avg. 0.7ct) [Multi-purchase discount available]

[Limited to 6 stones] Rainbow Aquamarine 1 stone loose (avg. 0.7ct) [Multi-purchase discount available]
Sold out [Limited to 7 stones] Anthill Garnet 1 stone loose (oval cut, approx. 4x3mm) [Multiple purchase discount available]

[Limited to 7 stones] Anthill Garnet 1 stone loose (oval cut, approx. 4x3mm) [Multiple purchase discount available]
Sold out 《Limited 6 Stones》Needle Inclusion Blue Topaz 1 Stone Loose (Avg. 16ct)《Multiple Purchase Discount Available》

《Limited 6 Stones》Needle Inclusion Blue Topaz 1 Stone Loose (Avg. 16ct)《Multiple Purchase Discount Available》
Sold out 6-Piece Limited Edition Malawi Moonstone (Malawi-sourced moonstone, average 1.5ct) (Multi-item discount available)

6-Piece Limited Edition Malawi Moonstone (Malawi-sourced moonstone, average 1.5ct) (Multi-item discount available)
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 10 Stones》Win a Koshu cut "Checker x Comet" Mexican fire opal, normally priced at 79,800 yen! 💎Fire Opal Gacha (Plus, get one extra "Contraluz" stone!) 《Bulk purchase discount available》

《Limited to 10 Stones》Win a Koshu cut "Checker x Comet" Mexican fire opal, normally priced at 79,800 yen! 💎Fire Opal Gacha (Plus, get one extra "Contraluz" stone!) 《Bulk purchase discount available》
Sold out Limited to 10 stones: London Blue Diamond Gacha Loose Stone (including 3.6mm, VS-SI grade equivalent, treated) [Multiple purchase discounts available]

Limited to 10 stones: London Blue Diamond Gacha Loose Stone (including 3.6mm, VS-SI grade equivalent, treated) [Multiple purchase discounts available]
Sold out Big Gem Gacha 💎 including Dandelion Cut 15mm and Camellia Cut 19mm, normally 55,800 JPY《Multiple Purchase Discount Available》

Big Gem Gacha 💎 including Dandelion Cut 15mm and Camellia Cut 19mm, normally 55,800 JPY《Multiple Purchase Discount Available》
Sold out Limited to 8 stones - New in Tucson - Canadian Eudialite (Round Cut, Approx. 2mm) - Multiple purchase discounts available

Limited to 8 stones - New in Tucson - Canadian Eudialite (Round Cut, Approx. 2mm) - Multiple purchase discounts 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 Color Change Gacha💎 Russian alexandrite, Brazilian alexandrite, and Tanzanian color-change garnets, usually priced at ¥39,800. 《Discounts for multiple purchases available》

Color Change Gacha💎 Russian alexandrite, Brazilian alexandrite, and Tanzanian color-change garnets, usually priced at ¥39,800. 《Discounts for multiple purchases available》
Sold out Brazilian Paraiba Tourmaline (CuO: 2.3% and CuO: 1.4%) & Kornerupine Rough Gacha 《Multiple Purchase Discount Available》

Brazilian Paraiba Tourmaline (CuO: 2.3% and CuO: 1.4%) & Kornerupine Rough Gacha 《Multiple Purchase Discount Available》
Sold out Blue Stone Gacha💎 (Brazilian Paraiba Tourmaline, Mozambique Paraiba Tourmaline, German Auchenite, Benitoite) {Multiple Purchase Discounts Available}

Blue Stone Gacha💎 (Brazilian Paraiba Tourmaline, Mozambique Paraiba Tourmaline, German Auchenite, Benitoite) {Multiple Purchase Discounts 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 6 stones: 1 loose Brazilian pyrite in quartz (average 3.2 carats) Multiple purchase discounts available

Limited to 6 stones: 1 loose Brazilian pyrite in quartz (average 3.2 carats) Multiple purchase discounts available
Sold out Limited to 8 stones: 1 loose Brazilian ametrine (concave cut, average 10 carats) Multiple purchase discounts available

Limited to 8 stones: 1 loose Brazilian ametrine (concave cut, average 10 carats) 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 Limited Edition of 11 Rare Stones! 💎 Two 0.23ct Paraiba Tourmalines from Batalha, Brazil, a Pink Diamond, and a Benitoite Loose Stone. Discounts available for multiple purchases.

Limited Edition of 11 Rare Stones! 💎 Two 0.23ct Paraiba Tourmalines from Batalha, Brazil, a Pink Diamond, and a Benitoite Loose Stone. Discounts available for multiple purchases.
Sold out Limited to 8 stones: Mexican Hyalite Opal Loose (Large 4ct, Fluorescent even in sunlight) Multiple purchase discounts available

Limited to 8 stones: Mexican Hyalite Opal Loose (Large 4ct, Fluorescent even in sunlight) Multiple purchase discounts available
Sold out 《再販売》ハイヒール（ロッククリスタル）1石《宝石ハイヒール1個 - カラッツSTORE

High heels (rock crystal) 1 stone (gem high heels)《Discount available for multiple purchases》
Sold out Gemstone Gacha💎 1 of the Three Great Gemstones Gacha + 2 Loose Pink Sapphires (Multiple Purchase Discounts Available)

Gemstone Gacha💎 1 of the Three Great Gemstones Gacha + 2 Loose Pink Sapphires (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.