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Sold out 【12545153掲載】ミャンマー産トラピッチェルビー 0.160ct原石

Myanmar trapichel ruby ​​0.160ct rough stone
coming soon スリランカ産クリソベリルキャッツアイ 1.340ctルース

Sri Lankan Chrysoberyl Cat's Eye 1.340ct Loose Stone Sale price¥8,800
Sold out オーストラリア産エメラルド 0.320ctルース

[On Sale 11/29 10pm] Australian Emerald 0.320ct Loose
Sold out [Available at 10 PM on November 30th] Rare Stone Gacha 💎 Cinnabar, Brazilian Paraiba Tourmaline 0.21ct, Red Beryl, Benitoite, and Axinite (Multiple Purchase Discounts Available)

[Available at 10 PM on November 30th] Rare Stone Gacha 💎 Cinnabar, Brazilian Paraiba Tourmaline 0.21ct, Red Beryl, Benitoite, and Axinite (Multiple Purchase Discounts Available)
Sold out [On sale 11/29 at 10 PM] [Limited to 10 stones] Diamond Gacha including 3.2mm/F/VVS-1/EXCELLENT (H&C) [Multiple purchase discounts available]

[On sale 11/29 at 10 PM] [Limited to 10 stones] Diamond Gacha including 3.2mm/F/VVS-1/EXCELLENT (H&C) [Multiple purchase discounts available]
Sold out [On sale at 10 PM on November 24th] [Limited to 7 stones] Sri Lankan Star Sapphire (Loose) [Multiple purchase discounts available]

[On sale at 10 PM on November 24th] [Limited to 7 stones] Sri Lankan Star Sapphire (Loose) [Multiple purchase discounts available]
Sold out マダガスカル産ホットピンクサファイア 1.120ctルース

[On Sale 11/23 10pm] Madagascar Hot Pink Sapphire 1.120ct Loose GIA
Sold out ミャンマー産非加熱ルビー 0.433ctルース

Unheated Ruby from Myanmar 0.433ct Ruth Japanese-German Edition
Sold out オーストラリア産ボルダーオパール 4.729ctルース

Australian boulder opal 4.729ct 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 【KEN氏】ピンクトルマリン 4.0mm/0.300ctルース

Pink tourmaline 4.0mm/0.300ct loose stone
Sold out 【KEN氏】メキシコ産ファイアオパール 1.150ctルース

Mexican Fire Opal 1.150ct Loose
coming soon 【12545297掲載】スリランカ産マルチスターガーネット 4.209ctルース

[Posted in 12545297] Multi-star garnet from Sri Lanka 4.209ct loose Sale price¥98,000
Sold out 【KEN氏】オレゴンサンストーン 1.333ctルース

Oregon Sunstone 1.333ct Loose
Sold out ミャンマー産トラピッチェルビー 0.202ct原石

Trapichel ruby ​​from Myanmar 0.202ct rough stone
Sold out バイカラーゾイサイト 1.497ct原石

[12543391 published] Bicolor Zoisite 1.497ct rough stone
coming soon [12543545 published] Non-oil emerald 0.510ct loose

[12543545 published] Non-oil emerald 0.510ct loose Sale price¥498,000
Sold out グリーンランド産サファイア 0.271ctルース

[12/2 22:00] Greenland Sapphire 0.271ct Loose Stone with Certificate
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 スリランカ産ブルーサファイア（アイスブルー） 0.300ctルース

[11/27 22:00 Sale] Sri Lankan Blue Sapphire (Ice Blue) 0.300ct Loose
Sold out Sri Lankan Purple Sapphire 0.393ct Loose Stone with Certificate of Authenticity

Sri Lankan Purple Sapphire 0.393ct Loose Stone with Certificate of Authenticity
Sold out ブルーサファイア 1.095ctルース

[On sale at 10pm on November 29th] 1.095ct loose blue sapphire
Sold out インド産アイオライトサンストーン 0.745ctルース

[11/29 22:00 Sale] Indian Iolite Sunstone 0.745ct Loose Stone
Sold out インド産アイオライトサンストーン 0.769ctルース

[11/27 22:00 Sale] Indian Iolite Sunstone 0.769ct Loose Stone
Sold out タンザニア産バイカラーサファイア 0.343ctルース

[11/18 22:00 Sale] Tanzanian Bicolor Sapphire 0.343ct Loose
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 ブラジル産ブルートルマリン 0.987ctルース（ティールカラー）

[11/18 22:00] Brazilian Blue Tourmaline 0.987ct Loose Stone (Teal Color)
Sold out ブラジル産ピンクトルマリン 0.643ctルース

[11/18 22:00 Sale] Brazilian Pink Tourmaline 0.643ct Loose Stone
Sold out Limited to 12 stones! Gemstone Gacha including Brazilian Paraiba Tourmaline rough stone 💎 1 rough stone (Multiple purchase discounts available)

Limited to 12 stones! Gemstone Gacha including Brazilian Paraiba Tourmaline rough stone 💎 1 rough stone (Multiple purchase discounts available)
Sold out [On sale at 10 PM on November 15th] Limited to 8 stones: 1 loose Brazilian ametrine (concave cut, average 10 carats) [Multiple purchase discounts available]

[On sale at 10 PM on November 15th] Limited to 8 stones: 1 loose Brazilian ametrine (concave cut, average 10 carats) [Multiple purchase discounts available]
Sold out ローレントーマサイト 0.028ctルース 日独

Laurentomasite from Madagascar 0.028ct loose Japanese and German
Sold out ローレントーマサイト 0.022ctルース 日独

Laurentomasite from Madagascar 0.022ct Ruth Japanese and German
Sold out モザンビーク産ピンクサファイア 0.213ctルース（ホットピンクサファイア）

Pink sapphire from Mozambique 0.213ct loose (hot pink sapphire)
Sold out 南洋真珠 16.5mm/26.946ctルース

South Sea Pearl 16.5mm/26.946ct Loose
Sold out ブラジル産アレキサンドライト 0.058ctルース

[Posted 12544974] Alexandrite from Brazil 0.058ct loose
Sold out コロンビア産トラピッチェエメラルド（逆トラピッチェ） 0.053ctルース

Colombian trapiche emerald (reverse trapiche) 0.053ct loose
Sold out アンダリュサイト 0.317ctルース

Spanish Andalusite 0.317ct loose stone
Sold out ブラジル産バイカラートルマリン 4.782ctルース

Brazilian bicolor tourmaline 4.782ct loose
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 合成ルチル 1.490ctルース

[On sale 11/27 at 10pm] Synthetic Rutile 6.2mm/1.490ct Loose Stone
coming soon Synthetic rutile 0.538ct loose stone

Synthetic rutile 0.538ct loose stone Sale price¥9,800
Sold out 合成ルチル 1.312ctルース

[On sale 11/23 at 10pm] Synthetic Rutile 6.1mm/1.312ct Loose Stone
Sold out ケニア産ツァボライト 0.411ctルース

[11/16 22:00 Sale] Kenyan Tsavorite 0.411ct Loose Stone
Sold out アフガニスタン産アフガナイト 0.077ctルース

[11/14 22:00 Sale] Afghanite 0.077ct Loose Stone from Afghanistan
Sold out タンザニア産バイカラーサファイア 1.002ctルース

[12544901 published] Bicolor sapphire 1.000ct loose
Sold out タンザニア産ピンクサファイア 0.566ctルース

[12544896 published] Sapphire 0.566ct loose
Sold out レッドベリル 0.131ctルース

Red beryl 0.131ct loose
Sold out ミャンマー産トラピッチェルビー 0.152ct原石

Myanmar trapichel ruby ​​0.152ct rough 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.