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brown diamond

A brown diamond.
It has a chic and calm atmosphere.
Those with a deep, dark color are called "cognac diamonds" and are highly valued.
Diamond is the birthstone for April.

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K18PG ピンクサファイア 0.32ct リング

[On sale from 10pm on 5/3] K18PG Madagascar pink sapphire 0.32ct brown diamond ring 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
【カラフリ】K18WGブラウンダイヤモンドリング

[Colorful] K18WG Brown Diamond Ring Sale price¥69,800
ブラウンダイヤモンド（シュガーローフカット） 0.278ctルース

Brown diamond (sugarloaf cut) 0.278ct loose (SI class equivalent) Sale price¥45,800
Sold out Diamond gacha💎Fancy cut brown diamonds and FancyDarkBrown diamonds (with medium treasure chest)《Multiple purchase discount available》

Diamond gacha💎Fancy cut brown diamonds and FancyDarkBrown diamonds (with medium treasure chest)《Multiple purchase discount available》

Sold out 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)

Sold out レッドブラウンダイヤモンド（トリートメント） 0.149ctルース(FANCY RED BROWN, SI1)

Red brown diamond (treatment) 0.149ct loose (FANCY RED BROWN, SI1)

Sold out ブラウンダイヤモンド 0.141ctルース

Brown Diamond 0.141ct Loose
Sold out ブラウンダイヤモンド 0.169ctルース

Brown Diamond 0.169ct Loose
Sold out ブラウンダイヤモンド 0.198ctルース

Brown Diamond 0.198ct Loose

Sold out ブラウンダイヤモンド 0.256ctルース

Brown Diamond 0.256ct Loose (Pink Fluorescent)
Sold out Limited to 3 stones: 1 loose brown diamond (princess cut, 0.1ct or more, VS class equivalent) Multiple purchase discounts available

Limited to 3 stones: 1 loose brown diamond (princess cut, 0.1ct or more, VS class equivalent) Multiple purchase discounts available
Sold out 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)

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