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[7/18 10 PM JST Release] Windsor Sapphire Gacha (1 of 14 Limited Stones) (Bicolor, Silky, Color Change, Avg. 0.30ct) (Multi-purchase Discount Available)

[7/18 10 PM JST Release] Windsor Sapphire Gacha (1 of 14 Limited Stones) (Bicolor, Silky, Color Change, Avg. 0.30ct) (Multi-purchase Discount Available) Sale price¥5,980
[Available July 15 at 10 PM] Limited to 6 Stones: Rainbow Aquamarine Single Stone Loose (average 0.7ct) [Multi-Purchase Discount Available]

[Available July 15 at 10 PM] Limited to 6 Stones: Rainbow Aquamarine Single Stone Loose (average 0.7ct) [Multi-Purchase Discount Available] Sale price¥5,980
Sold out [7/ 22:00 Release] Limited to 15 Stones: Parasitic Peridot Gacha (Multiple Purchase Discount Available)

[7/ 22:00 Release] Limited to 15 Stones: Parasitic Peridot Gacha (Multiple Purchase Discount Available)
[Sale starts July 20, 10 PM JST] Limited to 9 Stones: Opal Gacha, including Black Opal (plus a free Fire Opal!) (Multiple purchase discount available)

[Sale starts July 20, 10 PM JST] Limited to 9 Stones: Opal Gacha, including Black Opal (plus a free Fire Opal!) (Multiple purchase discount available) Sale price¥3,980
[Sale on July 7th at 10 PM] Limited to 12 stones! Blue Gem Gacha [Multiple Purchase Discount Available]

[Sale on July 7th at 10 PM] Limited to 12 stones! Blue Gem Gacha [Multiple Purchase Discount Available] Sale price¥7,980
[On sale July 24 at 10 PM] Limited to 5 stones: Andesine-Labradorite (Rainbow Moonstone) from Balangoda, Sri Lanka (Pear Shape Buff Top Cut, 5.0x3.0mm) - 1 Loose Stone (Multi-purchase discount available)

[On sale July 24 at 10 PM] Limited to 5 stones: Andesine-Labradorite (Rainbow Moonstone) from Balangoda, Sri Lanka (Pear Shape Buff Top Cut, 5.0x3.0mm) - 1 Loose Stone (Multi-purchase discount available) Sale price¥5,980
[On sale July 24 at 10 PM] Limited to 5 stones: Moonstone from Madiyagoda, Sri Lanka (June birthstone, oval buff top cut, 5.0x4.0mm), 1 loose stone. (Multiple purchase discount available)

[On sale July 24 at 10 PM] Limited to 5 stones: Moonstone from Madiyagoda, Sri Lanka (June birthstone, oval buff top cut, 5.0x4.0mm), 1 loose stone. (Multiple purchase discount available) Sale price¥5,980
[On Sale July 31st at 10 PM] "Limited to 20 Stones" Indigo Tourmaline Gacha with 5 Gem-Quality Stones + 1 Loose Stone (Certificate Included) (Multiple Purchase Discount Available)

[On Sale July 31st at 10 PM] "Limited to 20 Stones" Indigo Tourmaline Gacha with 5 Gem-Quality Stones + 1 Loose Stone (Certificate Included) (Multiple Purchase Discount Available) Sale price¥3,980
[On sale August 1 at 10 PM] Limited 10 Stones: Sapphire Gacha (including unheated cornflower blue sapphires, normally ¥69,800), with a bonus Sange sapphire. Multiple purchase discount available.

[On sale August 1 at 10 PM] Limited 10 Stones: Sapphire Gacha (including unheated cornflower blue sapphires, normally ¥69,800), with a bonus Sange sapphire. Multiple purchase discount available. Sale price¥6,980
イエローサファイア 2.150ctルース

[Lottery Sale_0612_09] Yellow Sapphire 2.150ct Loose Gemstone GIT Sale price¥158,000
シエラレオネ産ダイヤモンド原石（ソーヤブル） 0.072ct原石

Sierra Leonean Rough Diamond (Sawable) 0.072 ct. [12563273 Listed] Sale price¥22,800
ロシア産ダイヤモンド原石（ソーヤブル） 0.124ct原石

[Listed as 12563264] Rough Russian Diamond (Sawable) 0.124ct Sale price¥39,800
Pt850 ブルーサファイア 0.66ct・ダイヤモンド0.19ctリング 鑑別書

[22602646 listed] [Karafuri] Pt850 Blue Sapphire 0.66ct Ring Sale price¥59,800
Pt900 ブルーサファイア 2.67ct・ダイヤモンド0.75ctペンダントトップ（ネックレストップ）鑑別書

[Item 22602648] [Colorflee] Pt900 Blue Sapphire 2.67ct Pendant Top (Necklace Top) Sale price¥228,000
ケニア産バイカラーグロッシュラーガーネット 0.809ctルース

[Available July 11, 10 PM JST] Kenya Bi-Color Grossular Garnet 0.809 ct Loose Stone Sale price¥25,800
マラウイ産ムーンストーン（マラウイムーンストーン） 1.747ctルース

[Sales start 10 PM July 16] Malawi Moonstone (Malawi Moonstone) 1.747ct Loose Sale price¥8,800
マラウイ産ムーンストーン（マラウイムーンストーン） 2.199ctルース

[On sale July 14th at 10 PM] Malawi Moonstone 2.199ct Loose Sale price¥12,800
マラウイ産ムーンストーン（マラウイムーンストーン） 2.155ctルース

【Sale on 7/15 at 10 PM】Malawi Moonstone 2.155ct Loose Sale price¥12,800
コロンビア産エメラルド 0.191ctルース

[On sale July 12th, 10 PM JST] Colombian Emerald, 0.191 ct loose stone, Hoki Kyokai Sale price¥45,800
マラウイ産ムーンストーン（マラウイムーンストーン） 1.948ctルース

[On sale 7/14 at 10 PM JST] Malawi Moonstone 1.948ct Loose Gemstone Sale price¥8,800
マラウイ産ムーンストーン（マラウイムーンストーン） 2.184ctルース

[On sale July 12th at 10 PM] Malawi Moonstone 2.184ct Loose Sale price¥13,800
マラウイ産ムーンストーン（マラウイムーンストーン） 2.102ctルース

【On sale 7/16 10PM】Moonstone from Malawi (Malawi Moonstone) 2.102ct Loose Stone Sale price¥14,800
マラウイ産ムーンストーン（マラウイムーンストーン） 3.158ctルース

[Sales start: 10 PM, July 14th] Malawi Moonstone (Malawi Moonstone) 3.158ct Loose Gemstone Sale price¥18,800
マラウイ産ムーンストーン（マラウイムーンストーン） 1.651ctルース

[Sales begin 10 PM JST, July 12] Malawi Moonstone 1.651 ct Loose Stone Sale price¥8,800
マラウイ産ムーンストーン（マラウイムーンストーン） 2.598ctルース

【Sale starts at 10 PM on July 14th】Malawi Moonstone (Malawi Moonstone) 2.598ct Loose Stone Sale price¥16,800
マラウイ産ムーンストーン（マラウイムーンストーン） 1.980ctルース

【On sale July 12th at 10 PM】Malawian Moonstone (Malawi Moonstone) 1.980ct Loose Sale price¥11,000
ブラジル産グリーントルマリン 0.770ctルース

[Sale on 7/15 at 10 PM] Brazilian Green Tourmaline 0.770ct Loose Stone with Certification Sale price¥25,800
K18PG シェルオパール（貝オパール） ペンダントトップ（ネックレストップ）

[On sale July 31, 10 PM] [Colorfuri] K18PG Shell Opal, Diamond, and Malachite Pendant Top (Necklace Top) with certificate Sale price¥29,800
ダイヤモンド 3.7mm/0.185ctルース(D, VVS-2, 3Excellent H&C)

[On sale July 22] Diamond 3.7mm/0.185ct Loose (D, VVS-2, 3Excellent H&C) Sale price¥39,800
ブラウンダイヤモンド 0.728ctルース(FANCY DARK BROWN, SI2)

[On sale July 18th at 10 PM] Brown Diamond 0.728ct Loose Stone (FANCY DARK BROWN, SI2) Sale price¥49,800
ブラウンダイヤモンド 5.0mm/0.556ctルース(FANCY LIGHT BROWN, VS-1)

[Sales from 10 PM on July 18] Brown Diamond 5.0mm/0.556ct Loose (FANCY LIGHT BROWN, VS-1) Sale price¥39,800
ブラウンダイヤモンド 0.778ctルース(FANCY BROWN, SI1)

[On sale July 18th at 10 PM] Brown Diamond 0.778ct Loose (FANCY BROWN, SI1) Sale price¥59,800
ピンクダイヤモンド 0.075ctルース(FANCY PURPLE PINK, SI1)

[On sale 7/18 at 10 PM] Pink Diamond 0.075ct Loose Stone (FANCY PURPLE PINK, SI1) Sale price¥79,800
カメレオンダイヤモンド 4.0mm/0.255ctルース(LIGHT GRAYISH GREEN YELLOW, VS2)

[For xxx only] Chameleon Diamond 0.255ct Loose (LIGHT GRAYISH GREEN YELLOW, VS2) (Listed under 32501581) Sale price¥59,800
オーストラリア産ブラックオパール 0.957ctルース

【Listing 12563849】Australian Black Opal 0.957ct Loose Stone Sale price¥49,800
オーストラリア産ブラックオパール 1.082ctルース

[On sale July 22, 10 PM] Australian Black Opal 1.082ct Loose Stone with Certificate Sale price¥69,800
オーストラリア産ブラックオパール 0.778ctルース

[Sales begin 7/20 at 10 PM] Australian black opal, 0.778 ct loose stone Sale price¥35,800
オーストラリア産ブラックオパール 1.066ctルース

[Sale starts July 20 at 10 PM JST] Australian black opal loose stone, 1.066 ct Sale price¥69,800
コロンビア産バイカラーエメラルド 0.824ctルース

[On sale July 22nd, 10 PM JST] Colombian Bicolor Emerald 0.824ct Loose Gemstone Sale price¥25,800
K18 ダイヤモンド 0.15ct ペンダントトップ（ネックレストップ）

[Sales start July 20th, 10 PM JST] [Colorflee] K18 Diamond 0.15ct Pendant Top (Necklace Top) Sale price¥29,800
Pt950/K18 パライバトルマリン 0.11ct（CuO:2.7%,MnO:3.4%）・ダイヤモンド1.12ctリング　宝貴協

[22602682 listed] [Colorful] Pt950/K18 Paraiba Tourmaline 0.11ct (CuO:2.7%, MnO:3.4%), Diamond 1.12ct Ring Sale price¥188,000
ザンビア産エメラルド 1.112ctルース 鑑別書

[On sale July 31, 10 PM] Zambian Emerald 1.112ct Loose Stone with Certificate Sale price¥18,800
スリランカ産ムーンストーン 0.974ctルース

[On sale July 19 at 10 PM] Sri Lankan Uva Moonstone 0.974ct Loose Gemstone Sale price¥12,800
スリランカ産ムーンストーン 1.763ctルース

[Sale on July 19 at 10 PM] Sri Lankan Uva Moonstone 7.7mm/1.763ct Loose Gemstone Sale price¥19,800
ネパール産カイヤナイト 0.477ctルース

[On Sale July 19th, 10 PM JST] Nepali Kyanite 0.477ct Loose Stone Sale price¥12,800
ネパール産バイカラーカイヤナイト 0.526ctルース

[On sale July 19th at 10 PM] Nepal Bi-Color Kyanite 0.526ct Loose Stone Sale price¥15,800
タンザニア産UVタイプグロッシュラーガーネット 0.294ctルース

[On sale July 19 at 10 PM JST] Tanzanian UV-type Grossular Garnet 0.294ct Loose Sale price¥25,800
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） 0.650ctルース

[On sale July 20 at 10 PM] Rainbow Garnet (Andradite Garnet) from Tenkawa Village, Nara Prefecture, 0.650ct Loose Stone Sale price¥16,800

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.