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Sold out Pt850 Platinum Red Bean Chain (Azuki) Long Necklace 0.9mm/1.1mm [60cm free]

Pt850 Platinum Red Bean Chain (Azuki) Long Necklace 0.9mm/1.1mm [60cm free]

Sold out Fire Opal (Common Opal) 2 stone set《Discount available for multiple purchases》

Fire Opal (Common Opal) 2 stone set《Discount available for multiple purchases》

Sold out 【猫カット】ムーンストーン（8mm） - カラッツSTORE

[Cat cut] Moonstone (8mm)《Multiple purchase discount available》

Sold out Afghanite 1 stone loose from Afghanistan《Discount available for multiple purchases》

Afghanite 1 stone loose from Afghanistan《Discount available for multiple purchases》
Sold out Limited to 7 stones: 1 loose Sri Lankan spinel (lozenge cut) stone. Discounts available for multiple purchases.

Limited to 7 stones: 1 loose Sri Lankan spinel (lozenge cut) stone. Discounts available for multiple purchases.
Sold out Rose-cut beryllium-treated sapphire, 1 loose stone (4mm, September birthstone) {Multiple purchase discounts available}

Rose-cut beryllium-treated sapphire, 1 loose stone (4mm, September birthstone) {Multiple purchase discounts available}
Sold out Limited to 8 stones: 1 loose Madagascar needle-in topaz (average 1.2 carats) Multiple purchase discounts available

Limited to 8 stones: 1 loose Madagascar needle-in topaz (average 1.2 carats) Multiple purchase discounts available
Sold out Limited to 7 stones: 1 loose kyanite stone from Nepal (royal blue color, 4mm, round cut) Multiple purchase discounts available

Limited to 7 stones: 1 loose kyanite stone from Nepal (royal blue color, 4mm, round cut) Multiple purchase discounts available
Sold out TV anime "Black Butler -Boarding School Arc-" x KARATZ collaboration tin mirror

TV anime "Black Butler -Boarding School Arc-" x KARATZ collaboration tin mirror

Sold out Tanzanian bicolor mint garnet 1 stone loose (UV type) {Multiple purchase discount available}

Tanzanian bicolor mint garnet 1 stone loose (UV type) {Multiple purchase discount available}

Sold out Limited to 5 stones: 1 green zircon from Sri Lanka. Discounts available for multiple purchases.

Limited to 5 stones: 1 green zircon from Sri Lanka. Discounts available for multiple purchases.
Sold out Limited to 9 stones: 1 London Blue Diamond Loose (VS-SI class equivalent, 2.0mm) Multiple purchase discounts available

Limited to 9 stones: 1 London Blue Diamond Loose (VS-SI class equivalent, 2.0mm) Multiple purchase discounts available
Sold out Limited to 12 stones: 1 Brazilian Alexandrite loose stone (round cut, 1.0mm) Multiple purchase discounts available

Limited to 12 stones: 1 Brazilian Alexandrite loose stone (round cut, 1.0mm) Multiple purchase discounts available
Sold out Limited to 5 stones: 1 Mexican Hyalite Opal loose stone (average 0.5ct) Multiple purchase discounts available

Limited to 5 stones: 1 Mexican Hyalite Opal loose stone (average 0.5ct) Multiple purchase discounts available
Sold out [Limited to 7 stones] Gem gacha💎 Australian opal or Mexican cantera opal 1 loose stone (with defects) [Multiple purchase discount available]

[Limited to 7 stones] Gem gacha💎 Australian opal or Mexican cantera opal 1 loose stone (with defects) [Multiple purchase discount available]
Sold out Limited to 7 stones! May birthstone special offer! Colombian emerald cat's eye, 1 loose stone (highly transparent cat's eye) Multiple purchase discounts available

Limited to 7 stones! May birthstone special offer! Colombian emerald cat's eye, 1 loose stone (highly transparent cat's eye) Multiple purchase discounts available
Sold out Limited to 8 stones: 1 Sri Lankan star sapphire loose stone (5mm, round cabochon cut) Multiple purchase discounts available

Limited to 8 stones: 1 Sri Lankan star sapphire loose stone (5mm, round cabochon cut) Multiple purchase discounts available
Sold out Limited to 6 stones: 1 loose sphene from Zimbabwe (multiple purchase discounts available)

Limited to 6 stones: 1 loose sphene from Zimbabwe (multiple purchase discounts available)
Sold out Limited to 9 stones: One loose Brazilian rainbow aquamarine (average 1.0 carat, pear cut) [Multiple purchase discounts available]

Limited to 9 stones: One loose Brazilian rainbow aquamarine (average 1.0 carat, pear cut) [Multiple purchase discounts available]
Sold out Greenland Ruby Loose (approx. 2.3mm, Top Color, Certificate Included) (Multiple Purchase Discounts Available)

Greenland Ruby Loose (approx. 2.3mm, Top Color, Certificate Included) (Multiple Purchase Discounts Available)

Sold out Brazilian Dendritic Quartz Kitten Cut Loose Stone (For Beginners) (5mm) (Multiple Purchase Discounts Available)

Brazilian Dendritic Quartz Kitten Cut Loose Stone (For Beginners) (5mm) (Multiple Purchase Discounts Available)
Sold out Color Change Gacha💎 Burmese Color Change Zircon, Color Shift Sapphire, Color Shift Cobalt Spinel, and More (Multiple Purchase Discounts Available)

Color Change Gacha💎 Burmese Color Change Zircon, Color Shift Sapphire, Color Shift Cobalt Spinel, and More (Multiple Purchase Discounts Available)
Sold out Limited to 10 stones: Greenland Ruby (2mm, with certificate issued by the mine owner) - 1 loose stone - Multiple purchase discounts available

Limited to 10 stones: Greenland Ruby (2mm, with certificate issued by the mine owner) - 1 loose stone - Multiple purchase discounts available
Sold out Limited to 9 stones: Carving Gacha (Opal, Tourmaline, Tsavorite Garnet) 1 loose stone (Multiple purchase discounts available)

Limited to 9 stones: Carving Gacha (Opal, Tourmaline, Tsavorite Garnet) 1 loose stone (Multiple purchase discounts available)
Sold out Limited to 10 stones! Zimbabwean Bicolor Euclase, Bicolor Sapphire, and More! Bicolor Loose Stones! 💎 Single Loose Stones Available. Discounts Available for Multiple Purchases.

Limited to 10 stones! Zimbabwean Bicolor Euclase, Bicolor Sapphire, and More! Bicolor Loose Stones! 💎 Single Loose Stones Available. Discounts Available for Multiple Purchases.
Sold out Panda Cut Gacha💎 Brazilian Paraiba Tourmaline (0.226ct/CuO: 0.7%, MnO: 2.5%) - 1 Stone, 5 Panda Cut Stones (Multiple Purchase Discounts Available)

Panda Cut Gacha💎 Brazilian Paraiba Tourmaline (0.226ct/CuO: 0.7%, MnO: 2.5%) - 1 Stone, 5 Panda Cut Stones (Multiple Purchase Discounts Available)
Sold out [Available at 10 PM on January 30th] Limited to 6 Silky Pink Sapphires from Vietnam (Sanjay Cut, Round, 3.0-3.3mm) Gacha [Multiple Purchase Discounts Available]

[Available at 10 PM on January 30th] Limited to 6 Silky Pink Sapphires from Vietnam (Sanjay Cut, Round, 3.0-3.3mm) Gacha [Multiple Purchase Discounts Available]

Sold out [Available at 10 PM on 2/7] [Limited to 13 stones] Win Koshu Precious Stone Kiriko plusthree "Subaru," normally priced at 49,800 yen! 💎 Andeshine Gacha [Multiple purchase discounts available]

[Available at 10 PM on 2/7] [Limited to 13 stones] Win Koshu Precious Stone Kiriko plusthree "Subaru," normally priced at 49,800 yen! 💎 Andeshine Gacha [Multiple purchase discounts available]
Sold out [Available at 10 PM on February 11th] Limited to 6 stones: Pezzottaite Gacha from Madagascar (2.2-2.5mm, round cut) [Multiple purchase discounts available]

[Available at 10 PM on February 11th] Limited to 6 stones: Pezzottaite Gacha from Madagascar (2.2-2.5mm, round cut) [Multiple purchase discounts available]
Sold out 【Sales End on Tuesday, May 5th】TV Anime "2.5 Dimensional Seduction" x KARATZ Jewelry Store Collaboration Pendant

【Sales End on Tuesday, May 5th】TV Anime "2.5 Dimensional Seduction" x KARATZ Jewelry Store Collaboration Pendant

Sold out [Sales start 10 PM JST on 3/15] <Limited 5 stones> Lab-grown Alexandrite Gacha (Princess Cut, 3.5-4.5mm) <Multiple purchase discount available>

[Sales start 10 PM JST on 3/15] Lab-grown Alexandrite Gacha (Princess Cut, 3.5-4.5mm)

Sold out [On sale April 18th, 10 PM JST] Midway Coral Branch (Rough) 1 Stone (March Birthstone, Coral, Avg. 26ct, Midway Coral) 《Multi-purchase discount available》

[On sale April 18th, 10 PM JST] Midway Coral Branch (Rough) 1 Stone (March Birthstone, Coral, Avg. 26ct, Midway Coral) 《Multi-purchase discount available》
Sold out GW Special Gem Gacha 💎 D/VS/EX/3mm diamonds, star rubies, druzy agates, and more, usually 29,800 yen each (multiple purchase discount available)

GW Special Gem Gacha 💎 D/VS/EX/3mm diamonds, star rubies, druzy agates, and more, usually 29,800 yen each (multiple purchase discount available)
Sold out クリノゾイサイト 1石 - KARATZ STORE｜カラッツSTORE

clinozoisite 1 stone

Sold out K18 イエローゴールド 小豆チェーン （アズキ） 0.9mm - KARATZ STORE｜カラッツSTORE

K18 Yellow Gold Red Bean Chain (Azuki Bean) 0.9mm [40cm/45cm free]

Sold out K18 イエローゴールド 小豆チェーン （アズキ） 1.4mm - KARATZ STORE｜カラッツSTORE

K18 Yellow Gold Red Bean Chain (Azuki Bean) 1.4mm [40cm/45cm free]

Sold out K18 イエローゴールド ベネチアンチェーン 0.7mm - KARATZ STORE｜カラッツSTORE

K18 yellow gold Venetian chain 0.7mm [40cm/45cm free]

Sold out K18 イエローゴールド ベネチアンチェーン 0.9mm - KARATZ STORE｜カラッツSTORE

K18 yellow gold Venetian chain 0.9mm [40cm/45cm free]

Sold out Pt850 プラチナ ベネチアンチェーン 0.8mm - KARATZ STORE｜カラッツSTORE

Pt850 Platinum Venetian Chain 0.8mm [40cm/45cm free]

Sold out アパタイト1石ルース（ブリオレットカット,約4×5mm）

Apatite 1 stone loose (briolette cut, approx. 4 x 5 mm)《Multiple purchase discount available》

Sold out ジェムガチャ💎 アフガナイト1石 ルース（平均0.14ct）《複数購入割引有》

Gem Gacha💎 Afghanite 1 stone loose (average 0.14ct) {Multiple purchase discount available}

Sold out 《Limited to 7 stones》1 stone tourmaline in quartz from Sri Lanka loose (8-9mm, octagonal cut)《Multiple purchase discount available》

《Limited to 7 stones》1 stone tourmaline in quartz from Sri Lanka loose (8-9mm, octagonal cut)《Multiple purchase discount available》
Sold out Limited to 9 stones [Mr. Sanjay] Oil in quartz, spinel, yellow opal 1 loose stone (damaged) [Multiple purchase discount available]

Limited to 9 stones [Mr. Sanjay] Oil in quartz, spinel, yellow opal 1 loose stone (damaged) [Multiple purchase discount available]

Sold out Gem Gacha💎 [Sanjay] Tanzanian Spinel (1 in 3 will be a Red Spinel) Loose Stone (Multiple Purchase Discounts Available)

Gem Gacha💎 [Sanjay] Tanzanian Spinel (1 in 3 will be a Red Spinel) Loose Stone (Multiple Purchase Discounts Available)
Sold out Limited to 4 stones: 1 Brazilian Alexandrite loose stone (rose cut, 3.3mm/average 0.13ct) Multiple purchase discounts available

Limited to 4 stones: 1 Brazilian Alexandrite loose stone (rose cut, 3.3mm/average 0.13ct) Multiple purchase discounts available

Sold out Zimbabwean Blue Apatite, UV Type, 1 Stone Loose {Multiple Purchase Discounts Available}

Zimbabwean Blue Apatite, UV Type, 1 Stone Loose {Multiple Purchase Discounts Available}
Sold out Limited to 6 stones: Brazilian Medusa Quartz (Paraiba Quartz) cat cut 1 stone loose (6mm) Multiple purchase discount available

Limited to 6 stones: Brazilian Medusa Quartz (Paraiba Quartz) cat cut 1 stone loose (6mm) Multiple purchase discount available
Sold out [Sales End on Thursday, October 31st] "Given the Movie: Hiiragi Mix" x KARATZ Collaboration Jewelry Sato Mafuyu Model

[Sales End on Thursday, October 31st] "Given the Movie: Hiiragi Mix" x KARATZ Collaboration Jewelry Sato Mafuyu Model

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.