Login
ペアシェイプ

pear shape

Sort by
Sold out ブラジル産パライバトルマリンインクォーツ 4.772ctルース

Brazilian Paraiba tourmaline in quartz 4.772ct loose
Sold out ブラジル産サンタマリアアクアマリン 0.189ctルース

Santa Maria Aquamarine from Brazil 0.189ct loose
アメリカ産レッドベリル 0.147ctルース

American Red Beryl 0.147ct Loose Sale price¥35,800
coming soon スリランカ産スピネル 2.670ctルース

【Sales Start: June 8, 10 PM JST】Sri Lankan Spinel (Dark Green) 2.670ct Loose Gemstone with Japan-Germany Gemological Report Sale price¥24,800
Sold out マラウイ産ムーンストーン（マラウイムーンストーン） 2.561ctルース

[Sale starts at 10 PM on June 6] Malawi Moonstone 2.561ct Loose Stone
Sold out ブラジル産ティンカーベルクォーツ（ピンクファイヤークォーツ） 8.992ctルース

[On sale June 6th at 10 PM] Brazilian Tinkerbell Quartz (Pink Fire Quartz) 8.992 ct Loose
Sold out ブラジル産ティンカーベルクォーツ（ピンクファイヤークォーツ） 7.226ctルース

[On sale 6/6 at 10 PM JST] Brazilian Tinkerbell Quartz (Pink Fire Quartz) 7.226ct Loose
Sold out マラウイ産ムーンストーン（マラウイムーンストーン） 0.639ctルース

[On sale May 30th at 10 PM] Malawi Moonstone 0.639ct Loose
Sold out パパラチアサファイア 0.177ctルース DGL鑑

[On sale May 27th at 10 PM JST] Madagascar Paparadscha Sapphire 0.177ct Loose Stone DGL Certified
Sold out マダガスカル産パパラチアサファイア 0.517ctルース DGL鑑

Madagascar Padparadscha Sapphire 0.517ct Loose DGL Certified
スペイン産アンダリュサイト 0.536ctルース

[On sale June 7th at 10 PM] Andalusite from Spain, 0.536ct loose stone Sale price¥9,800
Sold out ダイアスポア 0.757ctルース

[Sale on May 9th at 10 PM] Turkish Diaspore 0.757ct Loose Stone
Sold out 【32501905掲載】ブルーダイヤモンド（トリートメント） 0.801ctルース(FANCY INTENSE GREEN BLUE, SI-2)

Sky Blue Diamond (Treated) 0.801ct Loose Stone (FANCY INTENSE GREEN BLUE, SI-2) Certificate

Sold out モザンビーク産パライバトルマリン 1.581ctルース

Paraiba tourmaline from Mozambique 1.581ct loose stone (CuO: 0.5%, MnO: 1.0%)
Sold out 【12562825掲載】ミャンマー産マスグラバイト／スピネル 8.005ctルース

8.005ct Loose Myanmar Masgravite/Spinel (Symbiotic Type) with Japan-German Gemmological Institute (GGTL) Certificate

Sold out Colombian mica in emerald 1.314ct loose

Colombian mica in emerald 1.314ct loose
Sold out ピンクダイヤモンド 0.060ctルース(FANCY INTENSE PINK, VS-2)

Pink Diamond 0.060ct Loose (FANCY INTENSE PINK, VS-2) CBT

Sold out ドイツ産アウイナイト 0.122ctルース

[5/5 10 PM Sale] German Hauyne 0.122ct Loose Stone
Sold out マダガスカル産ベキリーブルーガーネット（カラーチェンジガーネット） 0.089ctルース

Bekily Blue Garnet from Madagascar (color change garnet) 0.089ct loose
coming soon ピンクサファリン 0.239ctルース

0.239ct Loose Pink Sapphire from Madagascar, Japan/Germany Sale price¥49,800
Sold out ベトナム産非加熱シルキーピンクサファイア 0.178ctルース

Vietnam unheated silky pink sapphire 0.178ct loose stone
Sold out ブラジル産メデューサクォーツ（パライバクォーツ） 3.122ctルース

Brazilian Medusa Quartz (Paraiba Quartz) 3.122ct Loose Stone
Sold out Gray Diamond 0.200ct Loose (FANCY DARK GRAY, SI-2)

Gray Diamond 0.200ct Loose (FANCY DARK GRAY, SI-2)
Sold out ボリビア産フォスフォフィライト 0.512ctルース

Bolivian Phosphophyllite 0.512ct Loose Gemstone with Certificate

Sold out オーストラリア産レインボーラティスサンストーン 0.353ctルース

Australian rainbow lattice sunstone 0.353ct loose
Sold out 【12562074掲載】ブラジル産ライモナイトインクォーツ（オーロラクォーツ） 1.894ctルース

Brazilian Limonite in Quartz (Aurora Quartz) 1.894ct Loose Stone
Sold out モンタナサファイア 0.458ctルース

Montana Sapphire 0.458ct Loose (Bi-Color Sapphire)
Sold out モンタナサファイア 0.416ctルース

Montana Sapphire 0.416ct Loose (Bi-Color Sapphire)
Sold out American Neptunite 0.207ct Loose Stone with Certificate of Authenticity

American Neptunite 0.207ct Loose Stone with Certificate of Authenticity
Sold out 【12562061掲載】アメリカ産ネプチュナイト 0.256ctルース

0.256ct Neptunite from the USA, with a certificate

Sold out American Neptunite 0.290ct Loose Stone with Certificate of Authenticity

American Neptunite 0.290ct Loose Stone with Certificate of Authenticity
Sold out Datolite from the USA, 0.592ct Loose Stone (Westfield, Manchester)

Datolite from the USA, 0.592ct Loose Stone (Westfield, Manchester)

coming soon 【12562018掲載】ブラジル産ヘルデライト 0.509ctルース

Brazilian Herderite 0.509ct loose stone Sale price¥35,800
Sold out 0.084ct loose green diamond (FANCY GRAY GREEN, I-1)

0.084ct loose green diamond (FANCY GRAY GREEN, I-1)

Sold out 【12561168掲載】メキシコ産ウォーターオパール（ファセットカット） 0.349ctルース

Mexican Water Opal (Faceted, Contralus Opal) 0.349ct Loose
Sold out ピンクサファリン 0.178ctルース

0.178ct Madagascar Pink Sapphire Loose Stone, Japan-German

Sold out Tanzanite from Tanzania 0.331ct loose stone

Tanzanite from Tanzania 0.331ct loose stone
Sold out Silky sapphire from Vietnam, 1.169ct loose stone

Silky sapphire from Vietnam, 1.169ct loose stone

Sold out 0.745ct loose bicolor sapphire from Windsor, Tanzania

0.745ct loose bicolor sapphire from Windsor, Tanzania

Sold out Oregon Sunstone from the United States, 8.338ct loose stone

Oregon Sunstone from the United States, 8.338ct loose stone
Sold out 【12552511掲載】ピンクダイヤモンド 0.296ctルース

Pink Diamond 0.296ct Loose (Cabochon Cut) Certificate of Authenticity
Sold out Bekiri Blue Garnet (Color Change Garnet) from Madagascar 0.150ct Loose

Bekiri Blue Garnet (Color Change Garnet) from Madagascar 0.150ct Loose
Sold out Madagascar Andesine Labradorite (commonly known as Rainbow Moonstone) 0.498ct Loose Stone

Madagascar Andesine Labradorite (commonly known as Rainbow Moonstone) 0.498ct Loose Stone
Sold out Tanzanian Kornerupine 0.103ct Loose Stone

Tanzanian Kornerupine 0.103ct Loose Stone
Sold out Unheated Burmese Ruby 0.227ct Loose Stone, Nikko Kan

Unheated Burmese Ruby 0.227ct Loose Stone, Nikko Kan
Sold out Grandidierite from Madagascar 0.167ct loose stone

Grandidierite from Madagascar 0.167ct loose stone
Sold out Grandidierite from Madagascar 0.169ct loose stone

Grandidierite from Madagascar 0.169ct 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.