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White, white, colorless type

Colorless, white, and white-based gemstones emit a beauty that is different from colored gemstones. Colorless diamonds, rock crystals, white topaz, moonstones, and pearls are well-known, but there are also many other attractive gemstones such as white sapphire, goshenite, and acroite. Depending on the type of gemstone, there are some gemstones that are rarer if they are not colored.

Karatz GemMagazine
" 10 White Gems "

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Sold out ロシア産ダイヤモンド原石（ソーヤブル） 0.509ct原石

Russian diamond rough (sawable) 0.509ct rough (trigon)
Sold out レピドクロサイトインクォーツ 0.484ctルース

Brazilian Lepidocrocite in Quartz 0.484ct Loose Stone
Sold out ブラジル産バイカラーユークレース 0.286ctルース

Brazilian bicolor euclase 0.286ct loose stone
Sold out Internally Flawless Diamond 3.7mm/0.200ct Loose (E, IF, 3Excellent H&C) GIA & Chuho

Internally Flawless Diamond 3.7mm/0.200ct Loose (E, IF, 3Excellent H&C) GIA & Chuho
Sold out マダガスカル産アンデシン・ラブラドライト（通称名 レインボームーンストーン） 1.885ctルース

Madagascar Andesine Labradorite (also known as Rainbow Moonstone) 1.885ct loose stone
Sold out ゴーシェナイト 0.306ctルース

Goshenite 0.306ct loose stone

Sold out ナミビア産ジェレメジェバイト 0.620ct原石

0.620ct rough stone of Jeremejevite from Namibia

Sold out 合成ルチル 0.915ctルース

Synthetic rutile 5.8mm/0.915ct loose stone
Sold out 【さくらインカット】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） 11.3mm/3.760ct《コラボ》ルース 　ワッペン

[Sakura Incut] Brazilian Limonite in Quartz (Aurora Quartz) 11.3mm/3.760ct {Collaboration} Loose Patch
Sold out ブラジル産フラワールチルインクォーツ 3.066ctルース

Brazilian Flower Rutile in Quartz 3.066ct Loose Stone
Sold out ゴーシェナイト 0.439ctルース

[12549597 published] Goshenite 0.439ct loose
Sold out ブラジル産ライモナイトイントパーズ 4.743ctルース

Brazilian Limonite in Topaz 4.743ct loose stone

Sold out 南アフリカ産ダイヤモンド原石（ソーヤブル） 0.091ct原石

South African diamond rough (sawable) 0.091ct rough
Sold out オパール 0.629ctルース

Ethiopian Opal 0.629ct Loose (Sphere)
Sold out アンデシン・ラブラドライト（通称名 レインボームーンストーン） 1.009ctルース

Andesine Labradorite (also known as Rainbow Moonstone) 1.009ct 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） 1.584ctルース

Brazilian Tinkerbell Quartz (Pink Fire Quartz) 1.584ct loose
Sold out アンデシン・ラブラドライト（通称名 レインボームーンストーン） 0.543ctルース

Indian Andesine Labradorite (also known as Rainbow Moonstone) 0.543ct loose stone
Sold out ホワイトコンクパール（火焔模様有り） 0.627ctルース

White Conch Pearl (with flame pattern) 0.627ct loose stone with jewel
Sold out Benitoite 1.8mm/0.028ct loose stone (colorless benitoite)

Benitoite 1.8mm/0.028ct loose stone (colorless benitoite)
Sold out Pakistani Oil in Quartz 1.337ct Loose Stone (Moving Bubbles)

Pakistani Oil in Quartz 1.337ct Loose Stone (Moving Bubbles)
Sold out タンザニア産ヘマタイトインクォーツ 2.150ctルース

Tanzanian Hematite in Quartz 2.150ct Loose Stone (Red Fuji Quartz)
Sold out Pakistani Oil in Quartz 0.235ct Loose Stone

Pakistani Oil in Quartz 0.235ct Loose Stone
Sold out ホースコンクパール（ダイオウイトマキボラ） 0.357ctルース

Horse Conch Pearl (Daiouitomakibora) 0.357ct loose
Sold out 合成ルチル 1.210ctルース

Synthetic rutile 1.210ct loose stone
Sold out コンクパール 1.770ctルース

Conch pearl 1.770ct loose (pink white)
Sold out デュモルチェライトインクォーツ 0.931ctルース

Dumortierite in quartz 0.931ct loose
Sold out モスアゲート 1.056ctルース

Moss Agate 1.056ct loose
Sold out ダンビュライト 1.585ctルース

[Sakura Incut] Danburite 8.3mm/1.585ct loose with patch
coming soon マラウイ産ムーンストーン（マラウイムーンストーン） 2.055ctルース

[Item 12563314 Listed] Malawi Moonstone (Malawi Moonstone) 2.055ct Loose Sale price¥16,800
coming soon [Lottery Sale 0530_06] Internally Flawless Diamond (H&C) 0.527ct Loose Stone (E, IF, 3Excellent H&C)

[Lottery Sale 0530_06] Internally Flawless Diamond (H&C) 0.527ct Loose Stone (E, IF, 3Excellent H&C) Sale price¥228,000
Sold out マダガスカル産アンデシン・ラブラドライト（通称名 レインボームーンストーン） 1.087ctルース

Madagascar Andesine Labradorite (also known as Rainbow Moonstone) 6.1mm/1.087ct loose stone
Sold out ゴーシェナイト 1.040ctルース

Goshenite 1.040ct loose
coming soon [Lottery Sale 0530_03] Internally Flawless Diamond 4.2mm/0.272ct Loose (D, IF, 3Excellent H&C) GIA

[Lottery Sale 0530_03] Internally Flawless Diamond 4.2mm/0.272ct Loose (D, IF, 3Excellent H&C) GIA Sale price¥148,000
coming soon [Lottery Sale 0530_02] Internally Flawless Diamond 3.8mm/0.217ct Loose Stone (D, IF, 3Excellent H&C) GIA

[Lottery Sale 0530_02] Internally Flawless Diamond 3.8mm/0.217ct Loose Stone (D, IF, 3Excellent H&C) GIA Sale price¥98,000
coming soon 【Lottery Sale 0530_04】Flawless Diamond (H&C) 4.2mm/0.280ct Loose (D, FL, 3Excellent H&C) GIA&CGL

【Lottery Sale 0530_04】Flawless Diamond (H&C) 4.2mm/0.280ct Loose (D, FL, 3Excellent H&C) GIA&CGL Sale price¥210,000
coming soon 【Lottery Sale 0530_05】Flawless Diamond (H&C) 4.3mm/0.290ct Loose Stone (D, FL, 3Excellent H&C) GIA & Central Gem Lab

【Lottery Sale 0530_05】Flawless Diamond (H&C) 4.3mm/0.290ct Loose Stone (D, FL, 3Excellent H&C) GIA & Central Gem Lab Sale price¥218,000
coming soon [Listing 12562729] Enstatite from Sri Lanka, 2.567ct Loose Stone

[Listing 12562729] Enstatite from Sri Lanka, 2.567ct Loose Stone Sale price¥18,800
coming soon [Lottery Sale 0531_14] Greenland Sapphire 1.258 ct Loose Stone with ChuBo & Analysis Data

[Lottery Sale 0531_14] Greenland Sapphire 1.258 ct Loose Stone with ChuBo & Analysis Data Sale price¥79,800
Sold out 【12559023掲載】ブラジル産アベンチュリンベリル 0.621ctルース

Brazilian Aventurine Beryl 5.5mm/0.621ct Loose Stone
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 ブラジル産デュモルチェライトインクォーツ 0.975ctルース

[Sales begin 10 PM, May 11th] Dumortierite in Quartz from Brazil, 0.975ct Loose Stone

Sold out Sri Lankan Moonstone 1.487ct Loose

Sri Lankan Moonstone 1.487ct Loose
Sold out Mexican Water Opal 4.8mm/0.289ct Loose

Mexican Water Opal 4.8mm/0.289ct Loose
Sold out Madagascar Andesine Labradorite (commonly known as Rainbow Moonstone) 4.867ct Loose Stone

Madagascar Andesine Labradorite (commonly known as Rainbow Moonstone) 4.867ct Loose Stone
Sold out Madagascar Andesine Labradorite (commonly known as Rainbow Moonstone) 4.894ct Loose Stone

Madagascar Andesine Labradorite (commonly known as Rainbow Moonstone) 4.894ct Loose Stone
Sold out Madagascar Andesine Labradorite (also known as Rainbow Moonstone) 0.491ct Loose Stone

Madagascar Andesine Labradorite (also known as Rainbow Moonstone) 0.491ct Loose Stone
Sold out White Diamond 6.2mm/0.988ct Loose (FANCY WHITE, I2)

White Diamond 6.2mm/0.988ct Loose (FANCY WHITE, I2)

Sold out オーストラリア産ホワイトオパール 4.170ctルース

Australian white opal 4.170ct loose

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.