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 "

パープルダイヤモンド 0.048ctルース(FANCY VIVID PINK PURPLE, SI-1)

[On sale June 5th at 10 PM] Purple Diamond 0.048ct Loose Stone (FANCY VIVID PINK PURPLE, SI-1) CGL Sale price¥198,000

Pt900 アイスブルーダイヤモンド（トリートメント） 0.256ctct ペンダント（ネックレス）

[On Sale 5/26 at 10 PM] Colorful Pt900 Ice Blue Diamond (Treated) 0.256ct / Diamond 0.06ct Pendant (Necklace) Sale price¥98,000

ピンクダイヤモンド 0.030ctルース(FANCY PURPLISH PINK, SI-1)

[On Sale 6/5 at 10 PM] Pink Diamond 1.95mm/0.030ct Loose Stone (FANCY PURPLISH PINK, SI-1) Central Gem Lab Sale price¥59,800

Sold out

[On Sale 6/6] Blue Diamond (Treated) Gacha, including Ice Blue Diamond (normally ¥35,800), limited to 11 stones (plus 1 tapered cut stone) [Multiple Purchase Discount Available]

[On Sale May 29, 10 PM JST] 《Limited 13 Stones》Yellow Diamond Gacha, win a VVS-2/4.3mm/with Sorting Report worth 39,800 yen (regular price) 💎《Multiple Purchase Discount Available》 Sale price¥2,980

[On sale May 6th, 10 PM JST] [Colorfury] Pt900 Ice Blue Diamond (Treated) 1.00ct Ring Sale price¥298,000

Angola Green Diamond Rough (Sawable) 0.528ct Rough (with Trigon) Sale price¥198,000

【32501524掲載】ピンクダイヤモンド 0.070ctルース(FANCY VIVID PINK PURPLE, I-1)

Purple Diamond 0.070ct Loose (FANCY VIVID PINK PURPLE, I-1) Sale price¥188,000

Pt950 Ice Blue Diamond Ring Sale price¥158,000

Zimbabwe Green Diamond Rough (Sawable) 0.428ct Rough Stone with Trigon Sale price¥158,000

K18YG アメリカ産オレゴンサンストーン 0.44ct・ピンクダイヤモンド・オレンジスピネルリング

18K Yellow Gold American Oregon Sunstone 0.44ct, Pink Diamond, Orange Spinel Ring Sale price¥158,000

Zimbabwe Green Diamond Rough (Sawable) 0.402ct Rough Stone with Trigon Sale price¥148,000

Loose Pink Diamond, 2.5mm/0.097ct (FANCY PINK, SI2, Princess Cut) Sale price¥148,000

Pt950 Ice Blue Diamond (Treatment) 0.197ct Ring Sale price¥128,000

0.338ct Canadian Green Diamond Rough (Sawable) - With Trigons Sale price¥128,000

K18PGカナリーイエローダイヤモンド（トリートメント）0.214ct・アレキサンドライトリング中宝付

18KPG Canary Yellow Diamond (Treatment) 0.214ct (SI-1, Fancy Intense Greenish Yellow) and Alexandrite Ring Sale price¥128,000

Brown Diamond 6.5mm/0.989ct Loose Stone (FANCY DARK ORANGE BROWN, SI-2) Sale price¥98,000

Pink Diamond 0.075ct Loose (Fancy Purplish PINK, SI2) Sale price¥98,000

Lab-grown diamond (synthetic green diamond) 13 stone half eternity ring set (2.0mm) Sale price¥98,000

Russian Yellow Diamond Rough (Sawable) 0.306ct Rough (Trigon) Sale price¥98,000

18KPG pink sapphire 0.32ct brown diamond ring Sale price¥69,800

South African green diamond rough (makeable) 0.298ct loose Sale price¥69,800

ブラウンダイヤモンド 0.554ctルース (カボションカット,SIクラス相当)

Brown diamond 0.554ct loose (cabochon cut, SI class equivalent) Sale price¥69,800

Chameleon Diamond Green Diamond 0.122ct Loose (FANCY GRAY GREEN, SI2) Sale price¥69,800

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) Sale price¥59,800

イエローダイヤモンド 4mm/0.261ctルース(LIGHT YELLOW, VS-2, VeryGood)（セミオーダーメイドセット）

[Staff Selection] Yellow Diamond 4mm/0.261ct Loose (LIGHT YELLOW, VS-2, Very Good) (Semi-Custom Made Set) Sale price¥59,800

0.209ct Yellow Diamond Loose (Fancy Deep Brownish Yellow, VVS-2) Sale price¥49,800

Yellow Diamond 0.551ct Loose (Cabochon Cut) Sale price¥49,800

イエローダイヤモンド 0.188ctルース(FANCY INTENSE YELLOW, VS1)

Yellow diamond 0.188ct loose (FANCY INTENSE YELLOW, VS1) Sale price¥47,800

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

Yellow diamond 0.212ct loose (FANCY DEEP ORANGY YELLOW, VS1) Sale price¥45,800

【22602588掲載】【カラフリ】Pt900 ピンクダイヤモンド 0.008ct ペンダント（ネックレス）

[On sale May 3rd, 10 PM] [Colorful] Pt900 Pink Diamond 0.008ct / Diamond 0.03ct Pendant (Necklace) with Identification Card Sale price¥39,800

ピンクダイヤモンド 0.074ctルース(FANCY LIGHT PURPLE PINK, I-1)

Pink Diamond 0.074ct Loose (FANCY LIGHT PURPLE PINK, I-1) Sale price¥39,800

【32501864掲載】ブラウンダイヤモンド 0.531ctルース(FANCY DARK BROWN, SI-2)

Brown Diamond 0.531ct Loose (FANCY DARK BROWN, SI-2) Sale price¥39,800

Pink diamond 2.2mm/0.043ct loose (FANCY LIGHT PURPLISH PINK, SI2) Sale price¥39,800

Fancy Intense Purple Pink Diamond 0.021ct Loose (FANCY INTENSE PURPLE PINK, SI2) Sale price¥39,800

ピンクダイヤモンド 0.051ctルース(FANCY LIGHT PINK, SI-2)

[Posted 32501454] Pink Diamond 0.051ct Loose (FANCY LIGHT PINK, SI-2) Sale price¥39,800

【32501451掲載】ピンクダイヤモンド 0.046ctルース(FANCY LIGHT PURPLISH PINK, SI-2)

[32501451 published] Pink diamond 0.046ct loose (FANCY LIGHT PURPLISH PINK, SI-2) Sale price¥39,800

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

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¥35,800

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¥35,800

ピンクダイヤモンド 0.034ctルース(FANCY PURPLE PINK, I-1)

Pink Diamond 2.1mm/0.034ct Loose (FANCY PURPLE PINK, I-1) Sale price¥34,800

カメレオンダイヤモンド 0.128ctルース(FANCY LIGHT GRAY GREEN, SI-1)

[Sale on May 9, 10 PM JST] Chameleon Diamond 3.2mm/0.128ct Loose Stone (FANCY LIGHT GRAY GREEN, SI-1) Sale price¥31,800

[On sale May 3rd at 10 PM] Pink Diamond 0.137ct Loose (FANCY DEEP BROWNISH PINK, I-1) Sale price¥29,800

South African green diamond rough (makeable) 0.117ct loose (VS-SI class equivalent) Sale price¥29,800

Brown Diamond 5.2mm/0.561ct Loose (FANCY DARK BROWN, SI2) Sale price¥29,800

Yellow Diamond (Cabochon Cut) 0.176ct Loose Sale price¥29,800

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¥29,800

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.