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 "

Sold out

South African yellow diamond (makeable) 0.174ct rough stone

Sold out

London Blue Diamond (Treatment) 3.6mm/0.201ct Loose

Sold out

ファンシーライトパープルピンクダイヤモンド（ローズカット） 1.8mm/0.024ctルース(FANCY LIGHT PURPLE PINK, SI2)

FANCY LIGHT PURPLE PINK (Rose Cut) 1.8mm/0.024ct Loose (FANCY LIGHT PURPLE PINK, SI2)

Sold out

Ice blue diamond 2.5mm/0.072ct loose (VS class equivalent)

Sold out

Ice blue diamond 2.5mm/0.070ct loose (equivalent to VS class)

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

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

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

Ice blue diamond 0.084ct loose (VS class equivalent)

Sold out

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

Sold out

ミントグリーンダイヤモンド（トリートメント） 0.066ctルース（VSクラス相当）

Mint green diamond (treatment) 0.066ct loose (equivalent to VS class)

Sold out

アイスブルーダイヤモンド 0.095ctルース（プリンセスカット,VSクラス相当）

Ice blue diamond 0.095ct loose (princess cut, VS class equivalent)

Sold out

Ice blue diamond 0.074ct loose (equivalent to VS class)

Sold out

Ice blue diamond 0.073ct loose (equivalent to VS class)

Sold out

Ice blue diamond 0.072ct loose (equivalent to VS class)

Sold out

Ice blue diamond 0.070ct loose (equivalent to VS class)

Sold out

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

Sold out

Ice blue diamond 0.066ct loose (princess cut, VS class equivalent)

Sold out

イエローダイヤモンド 0.081ctルース(FANCY DEEP YELLOW, SI2) - KARATZ STORE｜カラッツSTORE

Yellow diamond 0.081ct loose (FANCY DEEP YELLOW, SI2)

Sold out

Ice blue diamond 0.055ct loose (VS class equivalent, heart shape)

Sold out

Ice blue diamond 0.053ct loose (VS class equivalent, heart shape)

Sold out

Ice blue diamond 2.5mm/0.070ct loose (equivalent to VS class)

Sold out

Ice blue diamond 2.5mm/0.067ct loose (equivalent to VS class)

Sold out

Ice blue diamond 2.5mm/0.065ct loose (equivalent to VS class)

Sold out

アイスブルーダイヤモンド 0.066ctルース（VSクラス相当,プリンセスカット）

Ice blue diamond 0.066ct loose (VS class equivalent, princess cut)

Sold out

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

Sold out

[With translation] Pink diamond (0.12ctUP, 3.0mm-3.5mm, round cut) 1 stone loose

Sold out

ピンクダイヤモンド 2.5mm/0.057ctルース(FAINT PINK, SI-2)

Pink diamond 2.5mm/0.057ct loose (FAINT PINK, SI-2)

Sold out

Forest Green Diamond (Treatment) 0.090ct Loose Japanese-German Edition

Sold out

アイスブルーダイヤモンド2石セット 2mm/0.076ctルース（VSクラス相当）

Ice blue diamond 2 stone set 2mm/0.076ct loose (VS class equivalent)

Sold out

ファンシーライトパープルピンクダイヤモンド（ローズカット） 1.8mm/0.026ctルース(FANCY LIGHT PURPLE PINK, I2)

FANCY LIGHT PURPLE PINK (Rose Cut) 1.8mm/0.026ct Loose (FANCY LIGHT PURPLE PINK, I2)

Sold out

ロンドンブルーダイヤモンド（トリートメント） 2.5mm/0.079ctルース（VSクラス相当）

London Blue Diamond (Treatment) 2.5mm/0.079ct Loose (VS class equivalent)

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.

KARATZ・Five Commitments