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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Pt950 Ice Blue Diamond (Treatment) 0.197ct Ring

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K18YG Pink Diamond 0.068ct Ring (FANCY LIGHT PINK, SI-2)

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South African green diamond rough (makeable) 0.311ct loose

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【32501006掲載】ブルーダイヤモンド 0.051ctルース(LIGHT GRAYISH BLUE, SI1)

Blue diamond 0.051ct loose (LIGHT GRAYISH BLUE, SI1)

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Pink diamond 0.070ct loose (FANCY INTENSE PURPLE PINK, I1)

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【31500767掲載】ピンクダイヤモンド 0.088ctルース(FANCY PURPLE PINK , VS2)

FANCY PURPLE PINK 0.088ct loose (FANCY PURPLE PINK, VS2)

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Pt950イエローダイヤモンド0.312ct・ダイヤモンド0.51ct ペンダント（VS-2） - カラッツSTORE

Pt950 Yellow Diamond 0.312ct/Diamond 0.51ct Pendant (VS-2)

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Pink Diamond 2.3mm/0.049ct Loose Stone (FANCY PINK, VS-1) Central Gem Lab

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Pt950 US Benitote 0.17ct Pink Diamond Ring

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Pink Diamond 0.139ct Loose (FANCY PURPLISH PINK, I1)

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Pt900 Ice Blue Diamond 0.333ct 0.333ct Akoya Pearl 8.0mm Earrings

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18K Yellow Gold Chameleon Diamond 3.2mm/0.142ct Ring (SI-2, Fancy Brownish Greenish Yellow)

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K18YG Myanmar Ruby, Padparadscha Color Sapphire, Yellow Diamond Pendant (Necklace)

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Lab-grown diamond (synthetic green diamond) 13 stone half eternity ring set (2.0mm)

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K18YG Brazilian Paraiba Tourmaline 0.203ct Pink Diamond Ring

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Pt950 pink diamond 0.047ct diamond ring (FANCY LIGHT PURPLE PINK/SI-1/NONE)

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【31500773掲載】ピンクダイヤモンド 0.104ctルース(FANCY LIGHT PURPLISH PINK, I1)

Pink diamond 0.104ct loose (FANCY LIGHT PURPLISH PINK, I1)

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Pt950ベニトアイト0.10ct・アクアマリン・ブルーダイヤモンドリング - カラッツSTORE

Pt950 Benitoite 0.10ct Aquamarine Blue Diamond Ring

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ピンクダイヤモンド 0.073ルース(FANCY DEEP PURPLISH PINK, SI1)

Pink Diamond 0.073 Loose (FANCY DEEP PURPLISH PINK, SI1)

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K18YG アメリカ産オレゴンサンストーン 0.676ct ・パパラカラーサファイア・ブラウンダイヤモンド・ペンダントトップ（ネックレストップ）

K18YG Oregon Sunstone 0.676ct from the United States, Padparadscha Color Sapphire, Brown Diamond Pendant (Necklace)

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Pt900/K18PGピンクダイヤモンド0.048ct リング - KARATZ STORE｜カラッツSTORE

Pt900/K18PG pink diamond 0.048ct ring

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ピンクダイヤモンド 0.049ctルース(FANCY INTENSE PURPLE PINK, VS2)

0.049ct Pink Diamond Loose (Fancy Intense Purple Pink, VS2)

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[Colorful] K18WG Brown Diamond Ring

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イエローダイヤモンド 0.291ctルース(FANCY INTENSE ORANGY YELLOW, SI2)

Yellow diamond 0.291ct loose (FANCY INTENSE ORANGY YELLOW, SI2)

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Green diamond rough from South Africa (sawable) 0.233ct loose

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ピンクダイヤモンド 0.191ctルース(VERY LIGHT ORANGY PINK, SI2)

Pink diamond 0.191ct loose (VERY LIGHT ORANGY PINK, SI2)

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Pt900ブルーダイヤモンド0.20ct ペンダントトップ - カラッツSTORE

[Colorful] Pt900 blue diamond 0.20ct pendant top

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ピンクダイヤモンド 0.092ctルース(FANCY PURPLISH PINK, SI2) - KARATZ STORE｜カラッツSTORE

Pink diamond 0.092ct loose (FANCY PURPLISH PINK, SI2)

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[COLORFLE] Pt950 Brazil Bi-Color Emerald 1.084ct / Ice Blue Diamond 0.062ct Ring

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ピンクダイヤモンド 0.031ctルース(FANCY PRPLISH PINK, SI1)

Pink Diamond 0.031ct Loose (FANCY PRPLISH PINK, SI1)

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South African green diamond rough (makeable) 0.212ct loose

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イエローダイヤモンド 0.706ctルース(FANCY DEEP ORANGY YELLOW, I-1)

[Posted in 32501430] Yellow Diamond 0.706ct Loose (FANCY DEEP ORANGY YELLOW, I-1)

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グリーンイエローダイヤモンド 0.502ctルース(VERY LIGHT GREEN YELLOW, I1)

Green yellow diamond 5mm/0.502ct loose (VERY LIGHT GREEN YELLOW, I1)

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イエローダイヤモンド 0.390ctルース(UNDER S(LIGHT YELLOW), VVS1, 3Excellent H&C)

Yellow Diamond 4.7mm/0.390ct Loose (LIGHT YELLOW, VVS1, 3Excellent H&C)

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Yellow Diamond 0.551ct Loose (Cabochon Cut)

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ブラウンダイヤモンド 1.334ctルース(FANCY DARK BROWN, I1) - KARATZ STORE｜カラッツSTORE

Brown diamond 1.334ct loose (FANCY DARK BROWN, I1)

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イエローダイヤモンド 0.212ctルース(FANCY DEEP ORANGY YELLOW, VS1)

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Brown diamond (sugarloaf cut) 0.278ct loose (SI class equivalent)

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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)

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グリーンダイヤモンド（トリートメント） 0.183ctルース(FANCY INTENSE YELLOW GREEN TREATED, VS1)

Apple Green Diamond (Treated) 3.6mm/0.183ct Loose Stone (FANCY INTENSE YELLOW GREEN TREATED, VS1)

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ブラウンダイヤモンド 0.600ctルース(FANCY LIGHT BROWN, SI-2)

Brown Diamond 5.3mm/0.600ct Loose Stone (FANCY LIGHT BROWN, SI-2)

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[Colorful] Pt900 Pink Diamond 0.008ct・Diamond 0.03ct Pendant (Necklace) with Identification Card

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ブラウンダイヤモンド 0.554ctルース(UNDER S(LIGHT YELLOWISH BROWN), SI-2)

Brown Diamond 0.554 ct Loose (Color Distribution / LIGHT YELLOWISH BROWN, SI-2)

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Pink diamond 2.2mm/0.043ct loose (FANCY LIGHT PURPLISH PINK, SI2)

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

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Fancy Intense Purple Pink Diamond 0.021ct Loose (FANCY INTENSE PURPLE PINK, SI2)

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【32501456掲載】ピンクダイヤモンド（プリンセスカット） 0.089ctルース(FANCY LIGHT PURPLISH PINK, I-1)

[Posted in 32501456] Pink Diamond (Princess Cut) 0.089ct Loose (FANCY LIGHT PURPLISH PINK, I-1)

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パープルダイヤモンド 0.041ctルース(FANCY PINK PURPLE, SI2)

0.041ct loose purple diamond (FANCY PINK PURPLE, SI2)

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.