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《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.

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Sold out [Sales start May 15, 10 PM] Limited to 11 Stones: Aquamarine Gacha with Certified Santa Maria Aquamarine (Multiple Purchase Discount Available)

[Sales start May 15, 10 PM] Limited to 11 Stones: Aquamarine Gacha with Certified Santa Maria Aquamarine (Multiple Purchase Discount Available)
Sold out [On sale May 16th at 10 PM JST] Limited to 10 stones! Cat Cut Gacha 💎 Tourmaline, Opal, Chalcedony, etc. (Includes a bonus mini-mini cat cut stone) (Multiple purchase discount available)

[On sale May 16th at 10 PM JST] Limited to 10 stones! Cat Cut Gacha 💎 Tourmaline, Opal, Chalcedony, etc. (Includes a bonus mini-mini cat cut stone) (Multiple purchase discount available)
Sold out 【Sales start 10 PM, May 17th】《Limited 12 Gems》Win a Shimizu Kiseki Sakura In-cut Diamond! 💎 Tourmaline Gacha (plus a bonus Sanje Tourmaline)《Multiple Purchase Discount Available》

【Sales start 10 PM, May 17th】《Limited 12 Gems》Win a Shimizu Kiseki Sakura In-cut Diamond! 💎 Tourmaline Gacha (plus a bonus Sanje Tourmaline)《Multiple Purchase Discount Available》
Sold out [On sale May 10th at 10 PM] "Limited to 3 stones" Brazilian Paraiba Tourmaline (Cabochon Cut approx. 3.0mm) 1 Stone Loose Gemstone "Multiple purchase discount available"

[On sale May 10th at 10 PM] "Limited to 3 stones" Brazilian Paraiba Tourmaline (Cabochon Cut approx. 3.0mm) 1 Stone Loose Gemstone "Multiple 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 [On sale May 3rd at 10 PM] Limited to 9 stones! Color-shifting amethyst gacha, including a 3.49ct konpeito cut by Makoto Nakano (normally 22,800 yen) and a Sanje-cut stone. (Multiple purchase discount available)

[On sale May 3rd at 10 PM] Limited to 9 stones! Color-shifting amethyst gacha, including a 3.49ct konpeito cut by Makoto Nakano (normally 22,800 yen) and a Sanje-cut stone. (Multiple purchase discount available)
Sold out [On Sale 5/30 at 10 PM] "Limited 9 Stones" Blue Gem Gacha 💎 Brazilian Paraiba Tourmaline (CuO: 2.2%, MnO: 3.5%), Top Color Benitoite, Hauyne, Apatite (Multi-purchase discount available)

[On Sale 5/30 at 10 PM] "Limited 9 Stones" Blue Gem Gacha 💎 Brazilian Paraiba Tourmaline (CuO: 2.2%, MnO: 3.5%), Top Color Benitoite, Hauyne, Apatite (Multi-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 マダガスカル産オイルインクォーツ1石ルース（近年発見の新しい産地,平均28ct）《複数購入割引有》

[Limited to 7 stones] 1 loose oil-in-quartz stone from Madagascar (new locality discovered in recent years, average 28ct) [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 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 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 《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 《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 《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 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 5 Stones: Synthetic Alexandrite Gacha (Princess Cut, 3.5-4.5mm) (Multi-Buy Discount Available)

Limited 5 Stones: Synthetic Alexandrite Gacha (Princess Cut, 3.5-4.5mm) (Multi-Buy Discount Available)
Sold out [Limited to 10 stones] Brazilian Scolite (average 3ct) [Multi-buy discount available]

[Limited to 10 stones] Brazilian Scolite (average 3ct) [Multi-buy discount available]
Sold out 《Tucson Arrivals - Limited to 4 Stones》Canadian Eudialyte, approx. 2.5mm《Multiple Purchase Discount Available》

《Tucson Arrivals - Limited to 4 Stones》Canadian Eudialyte, approx. 2.5mm《Multiple Purchase Discount Available》
Sold out Brazilian Paraiba Tourmaline (Batalha Mine) Gacha 💎 Usually ¥45,800 With sorting, includes unheated. 《Multiple purchase discount available》

Brazilian Paraiba Tourmaline (Batalha Mine) Gacha 💎 Usually ¥45,800 With sorting, includes unheated. 《Multiple purchase discount available》

Sold out 《Limited to 20 stones》Demantoid Garnet Gacha, including Russian demantoid garnets, normally priced at 69,800 yen 《Multiple purchase discount available》

《Limited to 20 stones》Demantoid Garnet Gacha, including Russian demantoid garnets, normally priced at 69,800 yen 《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 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 Benitoite Gradation 6 Stone Set (2.0mm, Round Cut, Including Top Quality) 《Multiple Purchase Discount Available》

Benitoite Gradation 6 Stone Set (2.0mm, Round Cut, Including Top Quality) 《Multiple Purchase Discount Available》
Sold out [On sale June 7th at 10 PM] Limited to 1 set: 6-stone Benitoite Gradient Set, including Orange Benitoite (Peach Benitoite) (2.25mm, includes top quality) [Multiple Purchase Discount Available]

[On sale June 7th at 10 PM] Limited to 1 set: 6-stone Benitoite Gradient Set, including Orange Benitoite (Peach Benitoite) (2.25mm, includes top quality) [Multiple Purchase Discount Available]
Sold out 《Limited to 13 stones》Synthetic Gacha (with additional synthetic alexandrite) including D/IF/3EX lab-grown diamonds normally priced at 39,800 yen and Sakura-cut YAGs normally priced at 59,800 yen. 《Multiple purchase discount available》

《Limited to 13 stones》Synthetic Gacha (with additional synthetic alexandrite) including D/IF/3EX lab-grown diamonds normally priced at 39,800 yen and Sakura-cut YAGs normally priced at 59,800 yen. 《Multiple 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 A single loose pink diamond, including a fancy pink diamond, normally priced at 39,800 yen (multiple purchase discounts available)

A single loose pink diamond, including a fancy pink diamond, normally priced at 39,800 yen (multiple purchase discounts available)

Sold out 《Limited to 15 stones》Topaz Gacha with Koshu Kiseki Kiriko 10ct (normally 69,800 yen) and sherry-colored Imperial Topaz included 《Multiple purchase discount available》

《Limited to 15 stones》Topaz Gacha with Koshu Kiseki Kiriko 10ct (normally 69,800 yen) and sherry-colored Imperial Topaz included 《Multiple purchase discount available》

Sold out 《Limited to 2 Stones》Greenland Pink Sapphire Loose Stone (5.0mm, Heart-shaped, with Certificate) 《Multiple Purchase Discount Available》

《Limited to 2 Stones》Greenland Pink Sapphire Loose Stone (5.0mm, Heart-shaped, with Certificate) 《Multiple Purchase Discount Available》

Sold out Limited to 2 stones: Greenland Ruby, 1 stone, loose (2.2mm, top color, with certificate) (Multiple purchase discount available)

Limited to 2 stones: Greenland Ruby, 1 stone, loose (2.2mm, top color, with certificate) (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 10 stones! Pigeon Blood Ruby (normally priced at 39,800 yen) Red Gemstone Gacha with AIGS Certificate (Multiple purchase discounts available)

Limited to 10 stones! Pigeon Blood Ruby (normally priced at 39,800 yen) Red Gemstone Gacha with AIGS Certificate (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 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 5 stones》Carving Gacha 💎 Green Quartz, Lemon Quartz, Blue Topaz 《Multiple Purchase Discount Available》

《Limited to 5 stones》Carving Gacha 💎 Green Quartz, Lemon Quartz, Blue Topaz 《Multiple Purchase Discount 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 Madagascar Pezzottaite Gacha (2.2-2.5mm, Round Cut) - Limited to 6 Stones (Multiple Purchase Discount Available)

Madagascar Pezzottaite Gacha (2.2-2.5mm, Round Cut) - Limited to 6 Stones (Multiple Purchase 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.