Login

《Products eligible for multiple purchase discount》

If you purchase two or more products that have "Multiple purchase discount available" in the product title, a discount will be applied to the total price of the eligible products.
・If you purchase 2 items, you will receive a 1,000 yen discount on the total amount.
・If you purchase 3 items, you will receive a 1,500 yen discount on the total.
・If you purchase 4 items, you will receive a 2,000 yen discount on the total.

《Multiple purchase discount available》 If the products are the same, you can get a discount even if you combine different products and buy 2 or more products.

Sort by
Sold out "Limited 5 Stones" Burmese Ice Jadeite (approx. 3.3-3.8mm) "Bulk Purchase Discount Available"

"Limited 5 Stones" Burmese Ice Jadeite (approx. 3.3-3.8mm) "Bulk Purchase Discount Available"
Sold out Limited to 13 stones: Namibian Jeremejevite (Elemejevite) 1 stone loose stone (Multiple purchase discounts available)

Limited to 13 stones: Namibian Jeremejevite (Elemejevite) 1 stone loose stone (Multiple purchase discounts available)
Sold out 《Limited to 11 Stones》Aquamarine Gacha with Certified Santa Maria Aquamarine 《Multiple Purchase Discount Available》

《Limited to 11 Stones》Aquamarine Gacha with Certified Santa Maria Aquamarine 《Multiple Purchase Discount Available》
Sold out 《Limited to 20 Gems》Big Gem Gacha 💎 Win a Camellia cut from Shimizu Kisaki, 19ct up 《Multiple purchase discount available》

《Limited to 20 Gems》Big Gem Gacha 💎 Win a Camellia cut from Shimizu Kisaki, 19ct up 《Multiple purchase discount available》
Sold out Limited 10 Gemstones: Cat Cut Gacha 💎 Tourmaline, Opal, Chalcedony, etc. (Comes with a bonus mini cat cut) (Multiple purchase discount available)

Limited 10 Gemstones: Cat Cut Gacha 💎 Tourmaline, Opal, Chalcedony, etc. (Comes with a bonus mini cat cut) (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 12 stones! Shinizu Kiseki's Sakura In-Cut Tourmaline Gacha (with bonus Tourmaline from Mr. Sanje) (Multiple purchase discount available)

Limited to 12 stones! Shinizu Kiseki's Sakura In-Cut Tourmaline Gacha (with bonus Tourmaline from Mr. Sanje) (Multiple purchase discount available)
Sold out 《Limited to 4 stones》Madagascar pezzottaite (round cut, approx. 3mm) by Sanjeev Singh, 1 loose stone《Multiple purchase discount available》

《Limited to 4 stones》Madagascar pezzottaite (round cut, approx. 3mm) by Sanjeev Singh, 1 loose stone《Multiple purchase discount available》
Sold out 《Limited to 3 Stones》Brazilian Paraiba Tourmaline (Cabochon Cut approx. 3.0mm) 1 Loose Stone《Multi-Purchase Discount Available》

《Limited to 3 Stones》Brazilian Paraiba Tourmaline (Cabochon Cut approx. 3.0mm) 1 Loose Stone《Multi-Purchase Discount Available》
Sold out Bicolor Gacha including Brazilian parti-colored Paraiba tourmaline (CuO: 1.7%, MnO: 2.9%), bicolor sapphire, bicolor tourmaline, and specially cut bicolor fluorite, normally 79,800 JPY (multiple purchase discount available)

Bicolor Gacha including Brazilian parti-colored Paraiba tourmaline (CuO: 1.7%, MnO: 2.9%), bicolor sapphire, bicolor tourmaline, and specially cut bicolor fluorite, normally 79,800 JPY (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 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 《Limited to 12 stones》Russian alexandrite and alexandrite from different origins (normally 69,800 yen) + free Sri Lankan chrysoberyl crystal《Multiple purchase discount available》

《Limited to 12 stones》Russian alexandrite and alexandrite from different origins (normally 69,800 yen) + free Sri Lankan chrysoberyl crystal《Multiple purchase discount available》
Sold out Garnet Gacha (Round Cut, 2.5mm) Cut by American Master Polisher KEN 《Bulk Purchase Discount Available》

Garnet Gacha (Round Cut, 2.5mm) Cut by American Master Polisher KEN 《Bulk Purchase Discount Available》
Sold out 《Limited to 9 Stones》Rare Round Cabochon Cut Sri Lankan Star Sapphire (approx. 5.0mm) 《Multiple Purchase Discount Available》

《Limited to 9 Stones》Rare Round Cabochon Cut Sri Lankan Star Sapphire (approx. 5.0mm) 《Multiple Purchase Discount Available》
Sold out 《Limited to 12 Stones》Sri Lankan Star Sapphire 1 Stone Loose Gemstone《Multiple Purchase Discount Available》

《Limited to 12 Stones》Sri Lankan Star Sapphire 1 Stone Loose Gemstone《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 Guatemalan Jade (with certificate, 3-3.5mm) - 1 Stone Loose - Limited to 10 Stones - Multiple Purchase Discount Available

Guatemalan Jade (with certificate, 3-3.5mm) - 1 Stone Loose - Limited to 10 Stones - Multiple Purchase Discount 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 Maushitsit (Mawsissi) from Myanmar 1 stone loose (12mm)《Multiple purchase discount available》

Maushitsit (Mawsissi) from Myanmar 1 stone loose (12mm)《Multiple 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 【Sales start April 18th, 10 PM JST】《Limited to 5 pieces》Midway Atoll Coral Branch (Rough), 1 piece (March Birthstone, Coral, average 26ct)《Bulk purchase discount available》

【Sales start April 18th, 10 PM JST】《Limited to 5 pieces》Midway Atoll Coral Branch (Rough), 1 piece (March Birthstone, Coral, average 26ct)《Bulk purchase discount available》
Sold out Midway coral branch (raw wood) 1 piece (March birthstone, coral, average 26ct, Midway coral) 《Multiple purchase discount available》

Midway coral branch (raw wood) 1 piece (March birthstone, coral, average 26ct, Midway coral) 《Multiple 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 10 stones》Mozambique Grape Garnet loose stone (6×4mm, pear cut) 《Bulk purchase discount available》

《Limited to 10 stones》Mozambique Grape Garnet loose stone (6×4mm, pear cut) 《Bulk purchase discount available》
Sold out 《Limited to 10 Gems》Koshu Kiseki Kiriko plusthree "Akatsuki" Ametrine Gem Gacha《Bulk Purchase Discount Available》

《Limited to 10 Gems》Koshu Kiseki Kiriko plusthree "Akatsuki" Ametrine Gem Gacha《Bulk Purchase Discount Available》
Sold out 《Limited to 2 Stones》Indian Cavansite Crystal 1 Stone (average 7.2ct) 《Bulk Purchase Discount Available》

《Limited to 2 Stones》Indian Cavansite Crystal 1 Stone (average 7.2ct) 《Bulk Purchase Discount Available》
Sold out "Limited to 9" Deep sea coral loose stone (March birthstone, coral, 7mm) "Multiple purchase discount available"

"Limited to 9" Deep sea coral loose stone (March birthstone, coral, 7mm) "Multiple purchase discount available"
Sold out Jeremejevite Gacha with a 0.22ct Loose Stone Worth 55,800 JPY [Limited to 10 Stones] [Multiple Purchase Discount Available]

Jeremejevite Gacha with a 0.22ct Loose Stone Worth 55,800 JPY [Limited to 10 Stones] [Multiple Purchase Discount Available]
Sold out 《Limited to 21 Stones》Russian Demantoid Garnet Gacha with Beautiful Horsetail Inclusions, usually ¥69,800《Multiple Purchase Discount Available》

《Limited to 21 Stones》Russian Demantoid Garnet Gacha with Beautiful Horsetail Inclusions, usually ¥69,800《Multiple Purchase Discount Available》

Sold out 《Limited to 12 Stones》Iolite Gacha including Konpeito-cut Golden Iolite, normally 27,800 yen (with a bonus cut by Mr. Sanje)《Multiple Purchase Discount Available》

《Limited to 12 Stones》Iolite Gacha including Konpeito-cut Golden Iolite, normally 27,800 yen (with a bonus cut by Mr. Sanje)《Multiple Purchase Discount Available》
Sold out 《New Tucson Arrivals・Limited to 13 Stones》Pakistani Lazurite (Azure Stone) Loose Stone《Multiple Purchase Discount Available》

《New Tucson Arrivals・Limited to 13 Stones》Pakistani Lazurite (Azure Stone) Loose Stone《Multiple Purchase Discount Available》
Sold out Brazilian Paraiba Tourmaline (cabochon cut, approximately 2.2mm) 1 loose stone (multiple purchase discounts available)

Brazilian Paraiba Tourmaline (cabochon cut, approximately 2.2mm) 1 loose stone (multiple purchase discounts available)
Sold out Brazilian Paraiba Tourmaline (cabochon cut, approximately 2.2mm) 1 loose stone (multiple purchase discounts available)

Brazilian Paraiba Tourmaline (cabochon cut, approximately 2.2mm) 1 loose stone (multiple purchase discounts available)

Sold out 1 stone loose quartz in oil from Pakistan《Discount available for multiple purchases》

1 stone loose quartz in oil from Pakistan《Discount available for multiple purchases》

Sold out 《Limited to 3 stones》Yunnan Cinnabar 1-Stone Loose Gemstone (Avg. 1.55ct, All stones with certificate)《Multiple purchase discount available》

《Limited to 3 stones》Yunnan Cinnabar 1-Stone Loose Gemstone (Avg. 1.55ct, All stones with certificate)《Multiple purchase discount available》

Sold out Kochi Prefecture Blood Red Coral Loose (6-8mm / damaged by water pressure during retrieval) "Multiple purchase discount available"

Kochi Prefecture Blood Red Coral Loose (6-8mm / damaged by water pressure during retrieval) "Multiple purchase discount available"

Sold out Limited to 18 items: Deep-sea Coral Branch (raw wood), 1 stone (March birthstone, coral, average 18ct) (bulk purchase discount available)

Limited to 18 items: Deep-sea Coral Branch (raw wood), 1 stone (March birthstone, coral, average 18ct) (bulk purchase discount available)

Sold out 《Limited to 12 Stones》Kochi Prefecture Blood Coral Branch (Raw Coral) 1 Stone (March Birthstone, Coral, average 5.3ct)《Bulk Purchase Discount Available》

《Limited to 12 Stones》Kochi Prefecture Blood Coral Branch (Raw Coral) 1 Stone (March Birthstone, Coral, average 5.3ct)《Bulk Purchase Discount Available》

Sold out 《Limited to 4 stones》Kochi Prefecture Blood Red Coral Branch (Raw Wood) 1 stone (March birthstone, coral, average 7.2ct) 《Multiple purchase discount available》

《Limited to 4 stones》Kochi Prefecture Blood Red Coral Branch (Raw Wood) 1 stone (March birthstone, coral, average 7.2ct) 《Multiple purchase discount available》
Sold out 《Limited to 15 Stones》Fluorite Gacha including 2 Koshu-Kiseki-Kiriko stones (normally 49,800 yen) with 1 CC fluorite stone as a bonus《Multiple Purchase Discount Available》

《Limited to 15 Stones》Fluorite Gacha including 2 Koshu-Kiseki-Kiriko stones (normally 49,800 yen) with 1 CC fluorite stone as a bonus《Multiple Purchase Discount Available》
Sold out 《Limited to 15 Stones》Cordierite-Inclusive Cordierite Spinel Gacha, Equivalent to 59,800 Yen 《Bulk Purchase Discount Available》

《Limited to 15 Stones》Cordierite-Inclusive Cordierite Spinel Gacha, Equivalent to 59,800 Yen 《Bulk Purchase Discount Available》
Sold out 《Newly Arrived from Tucson・Limited to 15 Stones》Australian Black Opal Rough Stone (Lightning Ridge) 《Bulk Purchase Discount Available》

《Newly Arrived from Tucson・Limited to 15 Stones》Australian Black Opal Rough Stone (Lightning Ridge) 《Bulk Purchase Discount Available》
Sold out New Arrival from Tucson - Limited to 8 Stones: 1 Loose Australian Black Opal (Lightning Ridge Origin) - Multi-Purchase Discount Available

New Arrival from Tucson - Limited to 8 Stones: 1 Loose Australian Black Opal (Lightning Ridge Origin) - Multi-Purchase Discount 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 Zambian Canary Yellow Tourmaline (4.0mm/Round Cut) Loose Stone - Limited 5 Pieces (Multiple Purchase Discount Available)

Zambian Canary Yellow Tourmaline (4.0mm/Round Cut) Loose Stone - Limited 5 Pieces (Multiple 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 20 Pieces: Spanish Sphalerite Loose Stone (Average 0.50ct) - Volume Discount Available

Limited to 20 Pieces: Spanish Sphalerite Loose Stone (Average 0.50ct) - Volume Discount 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.