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Sold out Limited to 20 stones, Brazilian dendritic quartz, 1 loose stone, multiple purchase discounts available

Limited to 20 stones, Brazilian dendritic quartz, 1 loose stone, multiple purchase discounts available
Sold out Limited Quantity Gem Gacha! Win 1 or 2 gems, including pink diamonds and 46ct candela opals. Discounts available for multiple purchases.

Limited Quantity Gem Gacha! Win 1 or 2 gems, including pink diamonds and 46ct candela opals. Discounts available for multiple purchases.
Sold out [On sale from 10pm on 5/5] Limited to 11 stones Russian Demantoid Garnet (2-2.3mm, round cut, with horsetail) 1 stone [Multiple purchase discounts available]

[On sale from 10pm on 5/5] Limited to 11 stones Russian Demantoid Garnet (2-2.3mm, round cut, with horsetail) 1 stone [Multiple purchase discounts available]
Sold out Rhodolite garnet (octagonal cut) 1ct 1 stone

Rhodolite garnet (octagonal cut) 1ct 1 stone

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 12 stones, Pakistani oil in quartz, moving bubbles, 1 loose stone, multiple purchase discounts available

Limited to 12 stones, Pakistani oil in quartz, moving bubbles, 1 loose stone, multiple purchase discounts 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 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 10 stones Mexican Cantera Opal 1 loose stone (10 x 8 cm) Multiple purchase discounts available

Limited to 10 stones Mexican Cantera Opal 1 loose stone (10 x 8 cm) Multiple purchase discounts available
Sold out 【猫カット】ローズクォーツ（8mm） - カラッツSTORE

[Cat cut] Rose quartz (8mm)《Multiple purchase discount 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 to 8 stones] Jam Gacha💎 1 Rainbow Garnet stone (January birthstone) from Tenkawa Village, Nara Prefecture [Multiple purchase discounts available]

[Limited to 8 stones] Jam Gacha💎 1 Rainbow Garnet stone (January birthstone) from Tenkawa Village, Nara Prefecture [Multiple purchase discounts available]
Sold out Limited to 7 stones: 1 loose Brazilian Goshenite stone. Discounts available for multiple purchases.

Limited to 7 stones: 1 loose Brazilian Goshenite stone. Discounts available for multiple purchases.

Sold out Russian demantoid garnet (2mm, round cut) 1 stone (discount available for multiple purchases)

Russian demantoid garnet (2mm, round cut) 1 stone (discount available for multiple purchases)

Sold out クリノゾイサイト 1石 （ピクセルカット） - KARATZ STORE｜カラッツSTORE

Clinozoisite 1 stone (pixel cut)

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: 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 Rainbow Garnet (Rose Cut, 3.0-5.5mm) from Tenkawa Village, Nara Prefecture, Single Loose Stone (Multiple Purchase Discounts Available)

Rainbow Garnet (Rose Cut, 3.0-5.5mm) from Tenkawa Village, Nara Prefecture, Single Loose Stone (Multiple Purchase Discounts Available)
Sold out One loose demantoid garnet from Russia (oval cut, approximately 3 x 2 mm) (multiple purchase discounts available)

One loose demantoid garnet from Russia (oval cut, approximately 3 x 2 mm) (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 クリノゾイサイト 1石 - KARATZ STORE｜カラッツSTORE

clinozoisite 1 stone

Sold out [On sale 10/31 at 10 PM] Garnet Gacha Loose Stone Set with Two Koshu Cut Precious Stones (Multiple Purchase Discounts Available)

[On sale 10/31 at 10 PM] Garnet Gacha Loose Stone Set with Two Koshu Cut Precious Stones (Multiple Purchase Discounts Available)
Sold out Limited to 4 stones: Sri Lankan Rhodolite Garnet (4mm, Round Cut) - 1 loose stone (Multiple purchase discounts available)

Limited to 4 stones: Sri Lankan Rhodolite Garnet (4mm, Round Cut) - 1 loose stone (Multiple purchase discounts available)
Sold out 【さくらインカット】ティンカーベルクォーツ6.480ctルース - カラッツSTORE

[Sakura Incut] Tinkerbell Quartz 6.480ct Loose (Pink Fire Quartz)

Sold out Lavender Quartz 1 stone (Scorollite) 3ct 1 stone《Multiple purchase discount available》

Lavender Quartz 1 stone (Scorollite) 3ct 1 stone《Multiple purchase discount available》

Sold out 【12533788掲載】ティンカーベルクォーツ（ピンクファイヤークォーツ） 4.764ctルース

Tinker Bell Quartz (Pink Fire Quartz) 4.764ct loose

Sold out ティンカーベルクォーツ（ピンクファイヤークォーツ） 3.968ctルース

Tinker Bell Quartz (Pink Fire Quartz) 3.968ct loose

Sold out 【カメリアカット】レモンクォーツ8mmルース 直筆サイン付&ワッペン付 - カラッツSTORE

[Camellia cut] Lemon quartz 8mm loose with autograph and emblem

Sold out 【カラフリ】K18レピドクロサイトインクォーツ2.37ct・ダイヤモンドリング - カラッツSTORE

[Colorful] K18 lepidocrocite in quartz 2.37ct diamond ring

Sold out 【12525545掲載】アルマンディンガーネットキャッツアイ 1.820ctルース

Almandine garnet cat's eye 1.820ct loose

Sold out [12/13 22:00] Brazilian Dumortierite in Quartz 1.779ct Loose Stone

[12/13 22:00] Brazilian Dumortierite in Quartz 1.779ct Loose Stone

Sold out [12/19 22:00 Sale] Brazilian Dumortierite in Quartz 1.995ct Loose Stone

[12/19 22:00 Sale] Brazilian Dumortierite in Quartz 1.995ct Loose Stone
Sold out [12/17 22:00] Brazilian Dumortierite in Quartz 1.924ct Loose Stone

[12/17 22:00] Brazilian Dumortierite in Quartz 1.924ct Loose Stone
Sold out ロードライトガーネット 0.990ctルース

Rhodolite garnet 0.990ct loose
Sold out ロシア産デマントイドガーネット（ホーステール認む） 5.2mm/0.702ctルース

Russian demantoid garnet (horsetail recognized) 5.2mm/0.702ct loose
Sold out タンザニア産アルマンディンガーネット 0.656ctルース

[11/26 22:00 Sale] Tanzanian Almandine Garnet 0.656ct Loose Stone
Sold out アフガニスタン産クンツァイト 7.335ctルース

[11/18 22:00 Sale] Afghanistan Kunzite 7.335ct Loose Stone
Sold out GGG（ガドリウムガリウムガーネット） 6.4mm/2.380ctルース

[11/15 22:00 Sale] GGG (Gadolium Gallium Garnet) 6.4mm/2.380ct Loose Stone
Sold out 合成オパール 6.1mm/0.792ctルース（ローズカット） (ローズカット)

[11/10 22:00 Sale] Synthetic Opal 6.1mm/0.792ct Loose Stone (Rose Cut) (Rose Cut)
Sold out ロシア産デマントイドガーネット（ホーステール認む） 0.070ctルース

[11/10 22:00 Sale] Russian Demantoid Garnet (Horsetail Recognized) 0.070ct Loose Stone
Sold out 奈良県天川村産レインボーガーネット（アンドラダイトガーネット） 1.329ctルース

[On Sale 11/27 at 10 PM] Rainbow Garnet (Andradite Garnet) from Tenkawa Village, Nara Prefecture, 6.0mm/1.329ct Loose Stone (Rose Cut)
Sold out 奈良県天川村産レインボーガーネット（アンドラダイトガーネット） 0.719ctルース

[On Sale 11/27 at 10 PM] Rainbow Garnet (Andradite Garnet) from Tenkawa Village, Nara Prefecture, 5.2mm/0.719ct Loose Stone (Rose Cut)
Sold out アフガニスタン産クンツァイト 0.753ctルース

[11/2 22:00 Sale] Afghanistan Kunzite 0.753ct Loose Stone
Sold out タンザニア産コーネルピン 0.241ctルース

[On Sale 11/2 at 10pm] Tanzanian Kornerupine 0.241ct Loose Stone
Sold out ブラジル産デュモルチェライトインクォーツ 1.909ctルース

[11/7 22:00] Brazilian Dumortierite in Quartz 1.909ct Loose Stone
Sold out デュモルチェライトインクォーツ 0.350ctルース

[On sale from 11/1 at 10pm] Dumortierite in Quartz 0.350ct Loose Stone
Sold out ブラジル産ラズライトインクォーツ 0.283ctルース

Brazilian Lazurite in Quartz 4.5mm/0.283ct Loose Stone
Sold out ロードライトガーネット 1.270ctルース

Rhodolite Garnet 1.270ct 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.