color diamond

Diamond is the birthstone of April. Diamonds with a deep color are collectively called fancy color diamonds. It has various shades such as yellow, brown, pink, blue, green, and orange. Rare items such as red and blue can often be traded for billions of yen or more, depending on the color depth and size.

Karatz GemMagazine
" Colored Diamond "

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イエローダイヤモンド 3mm/0.111ctルース(FANCY VIVID ORANGY YELLOW, SI-2)

Yellow Diamond 3mm/0.111ct Loose (FANCY VIVID ORANGY YELLOW, SI-2) Sale price¥45,800
フォレストグリーンダイヤモンド（トリートメント） 0.431ctルース(FANCY DARK GRAY GREEN, SI-2)

Forest Green Diamond (Treatment) 0.431ct Loose (FANCY DARK GRAY GREEN, SI-2) Sale price¥45,800
ピンクダイヤモンド 2.2mm/0.044ctルース(FANCY PURPLE PINK, I-1)

Pink diamond 2.2mm/0.044ct loose (FANCY PURPLE PINK, I-1) Sale price¥39,800
フォレストグリーンダイヤモンド（トリートメント） 0.326ctルース(FANCY DARK GRAY GREEN, SI-2)

Forest Green Diamond (Treatment) 0.326ct Loose (FANCY DARK GRAY GREEN, SI-2) Sale price¥39,800
イエローダイヤモンド 0.462ctルース(FANCY DEEP BROWNISH GREENISH YELLOW, I1) - KARATZ STORE｜カラッツSTORE

Yellow Diamond 0.462ct Loose (FANCY DEEP BROWNISH GREENISH YELLOW, I1) Sale price¥39,800
イエローダイヤモンド 0.190ctルース(FANCY DEEP ORANGY YELLOW, SI2) - KARATZ STORE｜カラッツSTORE

Yellow diamond 0.190ct loose (FANCY DEEP ORANGY YELLOW, SI2) Sale price¥39,800
イエローダイヤモンド 0.153ctルース(FANCY INTENSE YELLOW ORANGE, SI1)

Yellow diamond 0.153ct loose (FANCY INTENSE YELLOW ORANGE, SI1) Sale price¥38,800
Pink Diamond 2.1mm/0.041 Loose (FANCY LIGHT PURPLISH PINK, VS2)

Pink Diamond 2.1mm/0.041 Loose (FANCY LIGHT PURPLISH PINK, VS2) Sale price¥35,800
Canary Yellow Diamond (Treatment) 0.260ct Loose (FANCY INTENSE GREENISH YELLOW*, SI-2)

Canary Yellow Diamond (Treatment) 0.260ct Loose (FANCY INTENSE GREENISH YELLOW*, SI-2) Sale price¥29,800
カメレオンダイヤモンド 0.057ctルース(FANCY LIGHT GRAY GREEN, SI2)

Chameleon Diamond 0.057ct Loose (FANCY LIGHT GRAY GREEN, SI2) Sale price¥29,800
カメレオンダイヤモンド 0.110ctルース(FANCY BROWNISH GREENISH YELLOW, SI2)

Chameleon Diamond 3mm/0.110ct Loose (FANCY BROWNISH GREENISH YELLOW, SI2) Sale price¥29,800
南アフリカ産グリーンダイヤモンド原石（メイカブル） 0.117ctルース

South African green diamond rough (makeable) 0.117ct loose (VS-SI class equivalent) Sale price¥29,800
[E_27 Yurakucho Marui] Pink diamond 0.030ct loose (FANCY PURPLE PINK, SI2)

[E_27 Yurakucho Marui] Pink diamond 0.030ct loose (FANCY PURPLE PINK, SI2) Sale price¥29,800
ミントグリーンダイヤモンド（トリートメント） 0.172ctルース（VSクラス相当,テーパードカット）

Mint green diamond (treatment) 0.172ct loose (VS class equivalent, tapered cut) Sale price¥29,800
【32500793掲載】イエローダイヤモンド 0.428ctルース(FANCY DEEP BROWNISH GREENISH YELLOW, I1)

Yellow Diamond 0.428ct Loose (FANCY DEEP BROWNISH GREENISH YELLOW, I1) Sale price¥29,800
アイスブルーダイヤモンド（トリートメント） 3.2mm/0.127ctルース(LIGHT BLUE, VS2)

[32501791] Blue Diamond (treated) 0.127ct loose (LIGHT BLUE, VS2) Sale price¥25,800
イエローダイヤモンド（カボションカット） 0.185ctルース

Yellow Diamond (Cabochon Cut) 0.185ct Loose Sale price¥25,800
イエローダイヤモンド 0.071ctルース(FANCY INTENSE ORANGEY YELLOW, SI2)

Fancy intense orangey yellow diamond 0.071ct loose stone (FANCY INTENSE ORANGEY YELLOW, SI2) Sale price¥25,800
ピンクダイヤモンド 0.093ctルース(ローズカット,LIGHT PURPLE PINK, I-1)

[E_27 Yurakucho Marui] Pink Diamond 0.093ct Loose (Rose Cut, LIGHT PURPLE PINK, I-1) Sale price¥25,800
ファンシーインテンスイエローダイヤモンド 0.126ctルース(FANCY INTENSE YELLOW, SI-1)

FANCY INTENSE YELLOW, SI-1 Sale price¥25,800
イエローダイヤモンド（トリートメント） 0.247ctルース(FANCY INTENSE GREENISH YELLOW, SI2)

[E_27 Yurakucho Marui Take-out] Yellow Diamond (Treatment) 0.247ct Loose (FANCY INTENSE GREENISH YELLOW, SI2) Sale price¥24,800
ダイヤモンド原石（メイカブル） 0.247ct原石

Yellow diamond rough stone (makeable) 0.247ct rough stone Sale price¥22,800
ファンシービビッドオレンジイエローダイヤモンド 0.062ctルース(FANCY VIVID ORANGY YELLOW, SI-1)

FANCY VIVID ORANGY YELLOW, SI-1 Sale price¥22,800
ピンクダイヤモンド（ラウンドカット） 0.060ctルース(VERY LIGHT BROWN PINK, I-2)

Pink diamond (round cut) 2.5mm/0.060ct loose (VERY LIGHT BROWN PINK, I-2) Sale price¥19,800
イエローダイヤモンド 0.221ctルース(FANCY DEEP BROWNISH GREENISH YELLOW, SI2)

Yellow Diamond 0.221ct Loose (FANCY DEEP BROWNISH GREENISH YELLOW, SI2) Sale price¥19,800
イエローダイヤモンド 0.238ctルース(FANCY DEEP BROWNISH YELLOW, SI1)

Yellow diamond 0.238ct loose (FANCY DEEP BROWNISH YELLOW, SI1) Sale price¥19,800
South African yellow diamond (makeable) 0.202ct rough stone

South African yellow diamond (makeable) 0.202ct rough stone Sale price¥17,800
South African yellow diamond (makeable) 0.159ct rough stone

South African yellow diamond (makeable) 0.159ct rough stone Sale price¥15,800
イエローダイヤモンド2.6mmルース（VSクラス相当）

Yellow diamond 2.6mm loose (equivalent to VS class) Sale price¥15,800
イエローダイヤモンド 0.102ctルース（TLC／VSクラス相当）

Yellow diamond 2.8mm/0.102ct loose (TLC/VS class equivalent) Sale price¥12,800
South African yellow diamond (makeable) 0.193ct rough stone

South African yellow diamond (makeable) 0.193ct rough stone Sale price¥9,800
[On sale at 10pm on 2/22] {Limited to 12 pieces} Diamond Gacha💎1 London Blue Diamond Loose (VS class equivalent, 2.0~3.2mm) {Multiple purchase discounts available}

[On sale at 10pm on 2/22] {Limited to 12 pieces} Diamond Gacha💎1 London Blue Diamond Loose (VS class equivalent, 2.0~3.2mm) {Multiple purchase discounts available} Sale price¥5,980
カナリーイエローダイヤモンド1石ルース（VS-SI）《複数購入割引有》

《Limited to 18 stones》Canary yellow diamond 1 stone loose (VS-SI)《Multiple purchase discount available》 Sale price¥5,980
[On sale from 10pm on 2/24] {Limited to 7 stones} Diamond Gacha💎 Ice blue diamond (equivalent to VS-SI class, 2-2.7mm) 1 loose stone {Multiple purchase discounts available}

[On sale from 10pm on 2/24] {Limited to 7 stones} Diamond Gacha💎 Ice blue diamond (equivalent to VS-SI class, 2-2.7mm) 1 loose stone {Multiple purchase discounts available} Sale price¥4,980
Ice blue diamond 1.2mm or 2.0mm 1 stone (VS class equivalent, round cut) {Multiple purchase discount available}

Ice blue diamond 1.2mm or 2.0mm 1 stone (VS class equivalent, round cut) {Multiple purchase discount available} Sale priceFrom ¥4,980
Gem Gacha "April Birthstone" 💎 Fluorescent Yellow Diamond (Tapered Cut or Baguette Cut) 1 Stone {Multiple Purchase Discounts Available}

Gem Gacha "April Birthstone" 💎 Fluorescent Yellow Diamond (Tapered Cut or Baguette Cut) 1 Stone {Multiple Purchase Discounts Available} Sale price¥3,980
グリーンダイヤモンド（トリートメント）1石（約1.3mm)

Green Diamond (Treatment) 1 stone (approx. 1.3mm)《Multiple purchase discount available》 Sale price¥3,580
Lab-grown ice blue diamond set of two (synthetic diamond, VS class equivalent, 1mm) {Multiple purchase discount available}

Lab-grown ice blue diamond set of two (synthetic diamond, VS class equivalent, 1mm) {Multiple purchase discount available} Sale price¥1,580
[On sale from 10pm on 2/11] Diamond Gacha💎1 London Blue Diamond Loose (VS~SI class equivalent, taper cut or bucket cut, treated) {Multiple purchase discounts available}

[On sale from 10pm on 2/11] Diamond Gacha💎1 London Blue Diamond Loose (VS~SI class equivalent, taper cut or bucket cut, treated) {Multiple purchase discounts available} Sale price¥1,280
Sold out ピンクダイヤモンド 2.5mm/0.062cttルース(VERY LIGHT PINK, SI-2)

Pink Diamond 2.5mm/0.062ctt Loose (VERY LIGHT PINK, SI-2)

Sold out ファンシーインテンスイエローダイヤモンド 0.061ctルース(FANCY INTENSE YELLOW, VS-1)

FANCY INTENSE YELLOW, VS-1

Sold out アイスブルーダイヤモンド 0.071ctルース（VSクラス相当,プリンセスカット）

Ice blue diamond 0.071ct loose (VS class equivalent, princess cut)

Sold out アイスブルーダイヤモンド 0.068ctルース

Ice blue diamond 0.068ct loose (VS class equivalent, princess cut)

Sold out ロンドンブルーダイヤモンド（トリートメント） 2.5mm/0.125ct 2石ペアルース（VSクラス相当）

London Blue Diamond (Treatment) 2.5mm/0.125ct 2 stone pair loose (VS class equivalent)

Sold out ミントグリーンダイヤモンド（トリートメント） 0.061ctルース（VSクラス相当）

Mint green diamond (treatment) 0.061ct loose (equivalent to VS class)

Sold out イエローダイヤモンド 0.189ctルース(VERY LIGHT YELLOW, VS2)

Yellow diamond 0.189ct loose (VERY LIGHT YELLOW, VS2)

Sold out アイスブルーダイヤモンド 0.084ctルース（VSクラス相当）

Ice blue diamond 0.084ct loose (VS class equivalent)

Sold out Ice blue diamond 0.075ct loose (equivalent to VS class)

Ice blue diamond 0.075ct loose (equivalent to VS class)

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.

The fifth reprint has been decided and is now on sale at bookstores nationwide and online.

Written by KARATZ, book “Jewelry Illustrated Book”

The book provides explanations about over 300 types of gemstones, from new standard birthstones to rare stones that are hard to find, as well as a diary of our company representative, Mr. Koyama's, gemstone shopping experience in Thailand and Sri Lanka, and tips for photographing gemstones, allowing you to learn about the appeal of gemstones from various perspectives.

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